Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	July 23, 2021, 9:27 a.m.	July 23, 2021, 10 a.m.

Size	835.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`679e61e35641582d91f79ec97752b2a5`
SHA256	`676f6881fe4c71bf5f97091fa411d7ec1689f8c40383a2ffae9f84aaae442330`
CRC32	`5BC6A8EA`
ssdeep	`12288:NlEm/r3DPwSkYRyumZTCM28cn3MoYMpMPsNjLyaUVKnp:NZrzPwSnyJt6F37YMisJ+ahp`
Yara	Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult IsPE32 - (no description) Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature Admin_Tool_IN_Zero - Admin Tool Sysinternals Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

mazxfrnd.exe "C:\Users\test22\AppData\Local\Temp\mazxfrnd.exe"
1108
- mazxfrnd.exe "C:\Users\test22\AppData\Local\Temp\mazxfrnd.exe"
  852

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch
88.99.99.222	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW July 23, 2021, 9:28 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 23, 2021, 9:28 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 23, 2021, 9:28 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 23, 2021, 9:28 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 July 23, 2021, 9:27 a.m.			0	0
IsDebuggerPresent July 23, 2021, 9:27 a.m.			0	0
IsDebuggerPresent July 23, 2021, 9:28 a.m.			0	0
IsDebuggerPresent July 23, 2021, 9:28 a.m.			0	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey July 23, 2021, 9:27 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x008e5680 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 23, 2021, 9:27 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x008e51c0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 23, 2021, 9:27 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x008e51c0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

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 July 23, 2021, 9:27 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ July 23, 2021, 9:28 a.m.	stacktrace: 0x7d1790 0x7d0fb3 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x720a2652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x720b264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x720b2e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x721674ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72167610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x721f1dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x721f1e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x721f1f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x721f416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x736ef5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743c7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743c4de3 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 93 d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x7d1c03 registers.esp: 5698560 registers.edi: 5698584 registers.eax: 0 registers.ebp: 5698596 registers.edx: 195 registers.ebx: 5698852 registers.esi: 39474324 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

July 23, 2021, 9:28 a.m.

stacktrace:

0x7d1790
0x7d0fb3
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x720a2652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x720b264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x720b2e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x721674ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72167610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x721f1dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x721f1e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x721f1f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x721f416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x736ef5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743c7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743c4de3
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 93 d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x7d1c03
registers.esp: 5698560
registers.edi: 5698584
registers.eax: 0
registers.ebp: 5698596
registers.edx: 195
registers.ebx: 5698852
registers.esi: 39474324
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 72 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 1507328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00520000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00650000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72741000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72742000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 1179648 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00520000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00600000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003e5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003eb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003e7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003cc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003da000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ca000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 12288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007a1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x71f72000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003d6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007a4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:27 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007a5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007a6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007ac000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003cd000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ce000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05190000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05191000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 20480 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05197000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0519c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0519d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0519e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 1108 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0519f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 region_size: 1769472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00970000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00ae0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x720a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x720a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 region_size: 458752 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00570000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00382000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003f5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003fb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003f7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0039c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

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

section

{u'size_of_data': u'0x000d0000', u'virtual_address': u'0x00002000', u'entropy': 7.4392797396362065, u'name': u'.text', u'virtual_size': u'0x000cff40'}

entropy

7.43927973964

description

A section with a high entropy has been found

entropy

0.997004194128

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW July 23, 2021, 9:28 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (11 events)

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	Checks if being debugged	rule	anti_dbg
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook

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

host

88.99.99.222

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 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: 0x00000268	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation July 23, 2021, 9:28 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

mazxfrnd.exe tried to sleep 8184628 seconds, actually delayed analysis time by 8184628 seconds

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

Time & API	Arguments	Status	Return
WriteProcessMemory July 23, 2021, 9:28 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELä%Î_àX~v @ À@,vO H.textV X `.rsrcZ@@.reloc `@B base_address: 0x00400000 process_identifier: 852 process_handle: 0x00000268	1	1
WriteProcessMemory July 23, 2021, 9:28 a.m.	buffer: 8Ph \| ê\|4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ÜStringFileInfo¸000004b0,FileDescription 0FileVersion0.0.0.0TInternalNameLHhfrAuDwjKtKcIRsMXJG.exe(LegalCopyright \OriginalFilenameLHhfrAuDwjKtKcIRsMXJG.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: 852 process_handle: 0x00000268	1	1
WriteProcessMemory July 23, 2021, 9:28 a.m.	buffer: p6 base_address: 0x0043a000 process_identifier: 852 process_handle: 0x00000268	1	1
WriteProcessMemory July 23, 2021, 9:28 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 852 process_handle: 0x00000268	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 July 23, 2021, 9:28 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELä%Î_àX~v @ À@,vO H.textV X `.rsrcZ@@.reloc `@B base_address: 0x00400000 process_identifier: 852 process_handle: 0x00000268	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 1108 called NtSetContextThread to modify thread in remote process 852
NtSetContextThread July 23, 2021, 9:28 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421246 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000264 process_identifier: 852	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 1108 resumed a thread in remote process 852
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000264 suspend_count: 1 process_identifier: 852	1	0	0

Executed a process and injected code into it, probably while unpacking (26 events)

Time & API	Arguments	Status	Return
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 1108	1	0
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 1108	1	0
NtResumeThread July 23, 2021, 9:27 a.m.	thread_handle: 0x00000190 suspend_count: 1 process_identifier: 1108	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x0000025c suspend_count: 1 process_identifier: 1108	1	0
NtGetContextThread July 23, 2021, 9:28 a.m.	thread_handle: 0x000000e8	1	0
NtGetContextThread July 23, 2021, 9:28 a.m.	thread_handle: 0x000000e8	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x000000e8 suspend_count: 1 process_identifier: 1108	1	0
CreateProcessInternalW July 23, 2021, 9:28 a.m.	thread_identifier: 1240 thread_handle: 0x00000264 process_identifier: 852 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\mazxfrnd.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\mazxfrnd.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000268	1	1
NtGetContextThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000264	1	0
NtAllocateVirtualMemory July 23, 2021, 9:28 a.m.	process_identifier: 852 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: 0x00000268	1	0
WriteProcessMemory July 23, 2021, 9:28 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELä%Î_àX~v @ À@,vO H.textV X `.rsrcZ@@.reloc `@B base_address: 0x00400000 process_identifier: 852 process_handle: 0x00000268	1	1
WriteProcessMemory July 23, 2021, 9:28 a.m.	buffer: base_address: 0x00402000 process_identifier: 852 process_handle: 0x00000268	1	1
WriteProcessMemory July 23, 2021, 9:28 a.m.	buffer: 8Ph \| ê\|4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ÜStringFileInfo¸000004b0,FileDescription 0FileVersion0.0.0.0TInternalNameLHhfrAuDwjKtKcIRsMXJG.exe(LegalCopyright \OriginalFilenameLHhfrAuDwjKtKcIRsMXJG.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: 852 process_handle: 0x00000268	1	1
WriteProcessMemory July 23, 2021, 9:28 a.m.	buffer: p6 base_address: 0x0043a000 process_identifier: 852 process_handle: 0x00000268	1	1
WriteProcessMemory July 23, 2021, 9:28 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 852 process_handle: 0x00000268	1	1
NtSetContextThread July 23, 2021, 9:28 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421246 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000264 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000264 suspend_count: 1 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000194 suspend_count: 1 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000320 suspend_count: 1 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000340 suspend_count: 1 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x000003a4 suspend_count: 1 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x0000041c suspend_count: 1 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000348 suspend_count: 1 process_identifier: 852	1	0
NtResumeThread July 23, 2021, 9:28 a.m.	thread_handle: 0x00000410 suspend_count: 1 process_identifier: 852	1	0

File has been identified by 34 AntiVirus engines on VirusTotal as malicious (34 events)

Lionic	Trojan.MSIL.Taskun.4!c
Elastic	malicious (high confidence)
DrWeb	Trojan.PackedNET.947
MicroWorld-eScan	Gen:Variant.MSILHeracles.22131
Malwarebytes	Trojan.MalPack
Sangfor	Trojan.MSIL.Taskun.gen
CrowdStrike	win/malicious_confidence_60% (D)
Alibaba	Trojan:Win32/Kryptik.ali2000016
Cyren	W32/MSIL_Agent.CAC.gen!Eldorado
Symantec	Trojan.Gen.2
ESET-NOD32	a variant of MSIL/Kryptik.ACBU
APEX	Malicious
Paloalto	generic.ml
Kaspersky	HEUR:Trojan.MSIL.Taskun.gen
BitDefender	Gen:Variant.MSILHeracles.22131
Avast	Win32:RATX-gen [Trj]
Ad-Aware	Gen:Variant.MSILHeracles.22131
Sophos	ML/PE-A
McAfee-GW-Edition	BehavesLike.Win32.Fareit.cc
FireEye	Generic.mg.679e61e35641582d
GData	MSIL.Trojan.PSE.1ANT6PH
Kingsoft	Win32.Troj.Undef.(kcloud)
ZoneAlarm	HEUR:Trojan.MSIL.Taskun.gen
Microsoft	Trojan:Win32/AgentTesla!ml
Cynet	Malicious (score: 100)
McAfee	Artemis!679E61E35641
MAX	malware (ai score=81)
Cylance	Unsafe
SentinelOne	Static AI - Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Zmutzy.10!tr
AVG	Win32:RATX-gen [Trj]
Panda	Trj/GdSda.A
Qihoo-360	HEUR/QVM03.0.C1BB.Malware.Gen

mazxfrnd.exe

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