Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	April 15, 2021, 9:37 a.m.	April 15, 2021, 9:41 a.m.

Size	867.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`9f0f1c608623dee55cee4ef2c4e3e385`
SHA256	`54c006caa7214069b6aa64480cc84d562cae814c7e63516efa8eec7e6ebb3c30`
CRC32	`DF980B2C`
ssdeep	`12288:uihn3M5Is8CzNXN7V0DOETpoEHmULIdgb0Pvvwc9/JTJEgPiclV+2IQ:R3MOyd7QKEG+oRo6TeylAFQ`
Yara	Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT PE_Header_Zero - PE File Signature Zero OS_Processor_Check_Zero - OS Processor Check Signature Zero Win32_Trojan_PWS_Azorult_Net_1_Zero - Win32 Trojan PWS .NET Azorult IsPE32 - (no description) IsNET_EXE - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check

cfnUcZXwRagCXAt.exe "C:\Users\test22\AppData\Local\Temp\cfnUcZXwRagCXAt.exe"
3588
- schtasks.exe "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NzXLLtlNpAnl" /XML "C:\Users\test22\AppData\Local\Temp\tmpE12C.tmp"
  4496
- cfnUcZXwRagCXAt.exe "{path}"
  4220

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
172.217.25.14	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (5 events)

Time & API	Arguments	Status	Return
GetComputerNameW April 15, 2021, 9:38 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 15, 2021, 9:38 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 15, 2021, 9:38 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 15, 2021, 9:38 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 15, 2021, 9:38 a.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent April 15, 2021, 9:37 a.m.			0	0
IsDebuggerPresent April 15, 2021, 9:37 a.m.			0	0
IsDebuggerPresent April 15, 2021, 9:38 a.m.			0	0
IsDebuggerPresent April 15, 2021, 9:38 a.m.			0	0

Command line console output was observed (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteConsoleW April 15, 2021, 9:38 a.m.	buffer: SUCCESS: The scheduled task "Updates\NzXLLtlNpAnl" has successfully been created. console_handle: 0x00000007	1	1	0

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx April 15, 2021, 9:37 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ April 15, 2021, 9:38 a.m.	stacktrace: 0xb51798 0xb50fbb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6f502652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6f51264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6f512e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6f5c74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6f5c7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6f651dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6f651e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6f651f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6f65416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7387f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 8b d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0xb51c0b registers.esp: 2027248 registers.edi: 2027272 registers.eax: 0 registers.ebp: 2027284 registers.edx: 195 registers.ebx: 2027540 registers.esi: 41023120 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

April 15, 2021, 9:38 a.m.

stacktrace:

0xb51798
0xb50fbb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6f502652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6f51264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6f512e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6f5c74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6f5c7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6f651dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6f651e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6f651f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6f65416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7387f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 8b d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0xb51c0b
registers.esp: 2027248
registers.edi: 2027272
registers.eax: 0
registers.ebp: 2027284
registers.edx: 195
registers.ebx: 2027540
registers.esi: 41023120
registers.ecx: 0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Allocates read-write-execute memory (usually to unpack itself) (50 out of 68 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 1572864 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00750000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00890000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 655360 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00630000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00522000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00555000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00557000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00730000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0054a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00547000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00546000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00731000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73772000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00732000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00733000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00734000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00735000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00736000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00737000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00738000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00739000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0073a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0073b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0073c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:37 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0073d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0073e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05800000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05801000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 3588 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05802000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 2031616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a50000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00c00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6f501000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6f502000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 458752 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00452000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00485000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00487000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0046c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0046d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0045a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0046a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Roaming\NzXLLtlNpAnl.exe

Creates a suspicious process (2 events)

cmdline	"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NzXLLtlNpAnl" /XML "C:\Users\test22\AppData\Local\Temp\tmpE12C.tmp"
cmdline	schtasks.exe /Create /TN "Updates\NzXLLtlNpAnl" /XML "C:\Users\test22\AppData\Local\Temp\tmpE12C.tmp"

Drops an executable to the user AppData folder (1 event)

file	C:\Users\test22\AppData\Roaming\NzXLLtlNpAnl.exe

A process created a hidden window (1 event)

Time & API	Arguments	Status	Return	Repeated
ShellExecuteExW April 15, 2021, 9:38 a.m.	show_type: 0 filepath_r: schtasks.exe parameters: /Create /TN "Updates\NzXLLtlNpAnl" /XML "C:\Users\test22\AppData\Local\Temp\tmpE12C.tmp" filepath: schtasks.exe	1	1	0

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x000af400', u'virtual_address': u'0x00002000', u'entropy': 7.913580483301667, u'name': u'.text', u'virtual_size': u'0x000af320'}

entropy

7.9135804833

description

A section with a high entropy has been found

entropy

0.809001731102

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (2 events)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW April 15, 2021, 9:38 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0
LookupPrivilegeValueW April 15, 2021, 9:38 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (11 events)

description	Listen for incoming communication	rule	network_tcp_listen
description	Communications smtp	rule	network_smtp_dotNet
description	Run a keylogger	rule	keylogger
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook

Uses Windows utilities for basic Windows functionality (2 events)

cmdline	"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NzXLLtlNpAnl" /XML "C:\Users\test22\AppData\Local\Temp\tmpE12C.tmp"
cmdline	schtasks.exe /Create /TN "Updates\NzXLLtlNpAnl" /XML "C:\Users\test22\AppData\Local\Temp\tmpE12C.tmp"

Communicates with host for which no DNS query was performed (1 event)

host

172.217.25.14

Allocates execute permission to another process indicative of possible code injection (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x0000036c	1	0	0

Looks for the Windows Idle Time to determine the uptime (1 event)

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation April 15, 2021, 9:38 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

A process attempted to delay the analysis task. (1 event)

description

cfnUcZXwRagCXAt.exe tried to sleep 8184635 seconds, actually delayed analysis time by 8184635 seconds

Deletes executed files from disk (1 event)

file	C:\Users\test22\AppData\Local\Temp\tmpE12C.tmp

Potential code injection by writing to the memory of another process (4 events)

Time & API	Arguments	Status	Return
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL×4_`àJ>i @ À@ähW H.textDI J `.rsrcL@@.reloc R@B base_address: 0x00400000 process_identifier: 4220 process_handle: 0x0000036c	1	1
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: 8Ph (ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°äStringFileInfoÀ000004b0,FileDescription 0FileVersion0.0.0.0XInternalNametbGqLZWXgObEgXueErKkWeP.exe(LegalCopyright `OriginalFilenametbGqLZWXgObEgXueErKkWeP.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 4220 process_handle: 0x0000036c	1	1
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: `@9 base_address: 0x0043a000 process_identifier: 4220 process_handle: 0x0000036c	1	1
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 4220 process_handle: 0x0000036c	1	1

Code injection by writing an executable or DLL to the memory of another process (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL×4_`àJ>i @ À@ähW H.textDI J `.rsrcL@@.reloc R@B base_address: 0x00400000 process_identifier: 4220 process_handle: 0x0000036c	1	1	0

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 3588 called NtSetContextThread to modify thread in remote process 4220
NtSetContextThread April 15, 2021, 9:38 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4417854 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000370 process_identifier: 4220	1	0	0

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 3588 resumed a thread in remote process 4220
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x00000370 suspend_count: 1 process_identifier: 4220	1	0	0

File has been identified by 26 AntiVirus engines on VirusTotal as malicious (26 events)

Elastic	malicious (high confidence)
DrWeb	Trojan.PackedNET.656
McAfee	RDN/Generic PWS.y
Cylance	Unsafe
Cybereason	malicious.560f65
BitDefenderTheta	Gen:NN.ZemsilF.34678.2m0@aybrCuc
Cyren	W32/MSIL_Kryptik.DWR.gen!Eldorado
ESET-NOD32	a variant of MSIL/GenKryptik.FEAX
APEX	Malicious
Avast	Win32:PWSX-gen [Trj]
Cynet	Malicious (score: 100)
Kaspersky	HEUR:Trojan-PSW.MSIL.Stelega.gen
Paloalto	generic.ml
AegisLab	Trojan.MSIL.Agensla.i!c
FireEye	Generic.mg.9f0f1c608623dee5
Sophos	ML/PE-A
Microsoft	Trojan:Win32/Wacatac.B!ml
GData	MSIL.Trojan-Stealer.AgentTesla.73CX8J
AhnLab-V3	Trojan/Win.Kryptik.R415762
Malwarebytes	Malware.AI.1418741313
Tencent	Win32.Trojan.Inject.Auto
eGambit	Unsafe.AI_Score_81%
Fortinet	MSIL/GenKryptik.FEAX!tr
AVG	Win32:PWSX-gen [Trj]
CrowdStrike	win/malicious_confidence_90% (W)
Qihoo-360	Win32/TrojanPSW.Stelega.HgIASSsA

Executed a process and injected code into it, probably while unpacking (28 events)

Time & API	Arguments	Status	Return
NtResumeThread April 15, 2021, 9:37 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 3588	1	0
NtResumeThread April 15, 2021, 9:37 a.m.	thread_handle: 0x0000014c suspend_count: 1 process_identifier: 3588	1	0
NtResumeThread April 15, 2021, 9:37 a.m.	thread_handle: 0x00000194 suspend_count: 1 process_identifier: 3588	1	0
NtResumeThread April 15, 2021, 9:37 a.m.	thread_handle: 0x000002a4 suspend_count: 1 process_identifier: 3588	1	0
NtGetContextThread April 15, 2021, 9:37 a.m.	thread_handle: 0x000000e0	1	0
NtGetContextThread April 15, 2021, 9:37 a.m.	thread_handle: 0x000000e0	1	0
NtResumeThread April 15, 2021, 9:37 a.m.	thread_handle: 0x000000e0 suspend_count: 1 process_identifier: 3588	1	0
CreateProcessInternalW April 15, 2021, 9:38 a.m.	thread_identifier: 6472 thread_handle: 0x000003cc process_identifier: 4496 current_directory: C:\Users\test22\AppData\Local\Temp filepath: C:\Windows\System32\schtasks.exe track: 1 command_line: "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NzXLLtlNpAnl" /XML "C:\Users\test22\AppData\Local\Temp\tmpE12C.tmp" filepath_r: C:\Windows\System32\schtasks.exe stack_pivoted: 0 creation_flags: 67634192 (CREATE_DEFAULT_ERROR_MODE\|CREATE_NEW_CONSOLE\|CREATE_UNICODE_ENVIRONMENT\|EXTENDED_STARTUPINFO_PRESENT) inherit_handles: 0 process_handle: 0x000003d0	1	1
CreateProcessInternalW April 15, 2021, 9:38 a.m.	thread_identifier: 5960 thread_handle: 0x00000370 process_identifier: 4220 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\cfnUcZXwRagCXAt.exe track: 1 command_line: "{path}" filepath_r: C:\Users\test22\AppData\Local\Temp\cfnUcZXwRagCXAt.exe stack_pivoted: 0 creation_flags: 4 (CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x0000036c	1	1
NtGetContextThread April 15, 2021, 9:38 a.m.	thread_handle: 0x00000370	1	0
NtAllocateVirtualMemory April 15, 2021, 9:38 a.m.	process_identifier: 4220 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x0000036c	1	0
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL×4_`àJ>i @ À@ähW H.textDI J `.rsrcL@@.reloc R@B base_address: 0x00400000 process_identifier: 4220 process_handle: 0x0000036c	1	1
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: base_address: 0x00402000 process_identifier: 4220 process_handle: 0x0000036c	1	1
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: 8Ph (ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°äStringFileInfoÀ000004b0,FileDescription 0FileVersion0.0.0.0XInternalNametbGqLZWXgObEgXueErKkWeP.exe(LegalCopyright `OriginalFilenametbGqLZWXgObEgXueErKkWeP.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 4220 process_handle: 0x0000036c	1	1
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: `@9 base_address: 0x0043a000 process_identifier: 4220 process_handle: 0x0000036c	1	1
WriteProcessMemory April 15, 2021, 9:38 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 4220 process_handle: 0x0000036c	1	1
NtSetContextThread April 15, 2021, 9:38 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4417854 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000370 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x00000370 suspend_count: 1 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x000003d8 suspend_count: 1 process_identifier: 3588	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x0000014c suspend_count: 1 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x000001c8 suspend_count: 1 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x00000320 suspend_count: 1 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x00000340 suspend_count: 1 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x000003a4 suspend_count: 1 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x0000041c suspend_count: 1 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x0000035c suspend_count: 1 process_identifier: 4220	1	0
NtResumeThread April 15, 2021, 9:38 a.m.	thread_handle: 0x00000410 suspend_count: 1 process_identifier: 4220	1	0

cfnUcZXwRagCXAt.exe

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