Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	March 23, 2021, 1:17 p.m.	March 23, 2021, 1:19 p.m.

Size	649.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`b2e53e9608f1c63829d280f66e638619`
SHA256	`1ff9b45753821c489911dc8635f12995f463f92f9373021aaf748651798b61ac`
CRC32	`E4EC8138`
ssdeep	`12288:Sj9S0D39mN1xfVWCtdg9bma7jtm+MbrsPVD4xln1NPNdCL:SnNm9fV9te9bmGj4+MbGWPF`
Yara	PE_Header_Zero - PE File Signature Zero IsPE32 - (no description) IsNET_EXE - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check

xax.exe "C:\Users\test22\AppData\Local\Temp\xax.exe"
112
- xax.exe "C:\Users\test22\AppData\Local\Temp\xax.exe"
  1468

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW March 23, 2021, 1:19 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 23, 2021, 1:19 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 23, 2021, 1:19 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 23, 2021, 1:19 p.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 March 23, 2021, 1:17 p.m.			0	0
IsDebuggerPresent March 23, 2021, 1:17 p.m.			0	0
IsDebuggerPresent March 23, 2021, 1:19 p.m.			0	0
IsDebuggerPresent March 23, 2021, 1:19 p.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey March 23, 2021, 1:19 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x005a6a48 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 23, 2021, 1:19 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x005a6548 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 23, 2021, 1:19 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x005a6548 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 March 23, 2021, 1:17 p.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ March 23, 2021, 1:19 p.m.	stacktrace: 0xb71790 0xb70fbb 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: 0xb71c03 registers.esp: 3010144 registers.edi: 3010168 registers.eax: 0 registers.ebp: 3010180 registers.edx: 195 registers.ebx: 3010436 registers.esi: 38286836 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

March 23, 2021, 1:19 p.m.

stacktrace:

0xb71790
0xb70fbb
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: 0xb71c03
registers.esp: 3010144
registers.edi: 3010168
registers.eax: 0
registers.ebp: 3010180
registers.edx: 195
registers.ebx: 3010436
registers.esi: 38286836
registers.ecx: 0

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

Starts servers listening (3 events)

Time & API	Arguments	Status	Return
bind March 23, 2021, 1:17 p.m.	ip_address: 127.0.0.1 socket: 612 port: 0	1	0
listen March 23, 2021, 1:17 p.m.	socket: 612 backlog: 2147483647	1	0
accept March 23, 2021, 1:17 p.m.	ip_address: 127.0.0.1 socket: 612 port: 0		4294967295

Allocates read-write-execute memory (usually to unpack itself) (50 out of 67 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 1048576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00440000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00500000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 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 March 23, 2021, 1:17 p.m.	process_identifier: 112 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 March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 1966080 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009e0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b80000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00332000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00465000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0046b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00467000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0044c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b60000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0033a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 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 March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00457000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0044a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00456000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 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 March 23, 2021, 1:17 p.m.	process_identifier: 112 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 March 23, 2021, 1:17 p.m.	process_identifier: 112 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 March 23, 2021, 1:17 p.m.	process_identifier: 112 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 March 23, 2021, 1:17 p.m.	process_identifier: 112 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 March 23, 2021, 1:17 p.m.	process_identifier: 112 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 March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b61000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0033c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:17 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0045b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6d5b2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b62000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0044d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 112 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b63000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b69000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b6a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b6b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b6c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 458752 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004f0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00520000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 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 March 23, 2021, 1:19 p.m.	process_identifier: 1468 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 March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 1769472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00bd0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00592000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005d5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005db000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005bd000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b70000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0059a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72a12000 process_handle: 0xffffffff	1

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

section

{u'size_of_data': u'0x000a1000', u'virtual_address': u'0x00002000', u'entropy': 7.8831865642978345, u'name': u'.text', u'virtual_size': u'0x000a0e44'}

entropy

7.8831865643

description

A section with a high entropy has been found

entropy

0.993060909792

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 March 23, 2021, 1:19 p.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

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 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: 0x000002a8	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation March 23, 2021, 1:19 p.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

xax.exe tried to sleep 8184605 seconds, actually delayed analysis time by 8184605 seconds

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

Time & API	Arguments	Status	Return
WriteProcessMemory March 23, 2021, 1:19 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELo/`àXNv @ À@øuS@ H.textTV X `.rsrc@Z@@.reloc `@B base_address: 0x00400000 process_identifier: 1468 process_handle: 0x000002a8	1	1
WriteProcessMemory March 23, 2021, 1:19 p.m.	buffer: 8Ph ¬Pê¬4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoè000004b0,FileDescription 0FileVersion0.0.0.0l%InternalNamehQvsQaZWVYmEHMpPXvhUVPdLuVPBzcvQ.exe(LegalCopyright t%OriginalFilenamehQvsQaZWVYmEHMpPXvhUVPdLuVPBzcvQ.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: 1468 process_handle: 0x000002a8	1	1
WriteProcessMemory March 23, 2021, 1:19 p.m.	buffer: pP6 base_address: 0x0043a000 process_identifier: 1468 process_handle: 0x000002a8	1	1
WriteProcessMemory March 23, 2021, 1:19 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 1468 process_handle: 0x000002a8	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 March 23, 2021, 1:19 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELo/`àXNv @ À@øuS@ H.textTV X `.rsrc@Z@@.reloc `@B base_address: 0x00400000 process_identifier: 1468 process_handle: 0x000002a8	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 112 called NtSetContextThread to modify thread in remote process 1468
NtSetContextThread March 23, 2021, 1:19 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421198 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000002a4 process_identifier: 1468	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 112 resumed a thread in remote process 1468
NtResumeThread March 23, 2021, 1:19 p.m.	thread_handle: 0x000002a4 suspend_count: 1 process_identifier: 1468	1	0	0

Executed a process and injected code into it, probably while unpacking (21 events)

Time & API	Arguments	Status	Return
NtResumeThread March 23, 2021, 1:17 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 112	1	0
NtResumeThread March 23, 2021, 1:17 p.m.	thread_handle: 0x0000014c suspend_count: 1 process_identifier: 112	1	0
NtResumeThread March 23, 2021, 1:17 p.m.	thread_handle: 0x0000018c suspend_count: 1 process_identifier: 112	1	0
NtResumeThread March 23, 2021, 1:17 p.m.	thread_handle: 0x00000280 suspend_count: 1 process_identifier: 112	1	0
CreateProcessInternalW March 23, 2021, 1:19 p.m.	thread_identifier: 620 thread_handle: 0x000002a4 process_identifier: 1468 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\xax.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\xax.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x000002a8	1	1
NtGetContextThread March 23, 2021, 1:19 p.m.	thread_handle: 0x000002a4	1	0
NtAllocateVirtualMemory March 23, 2021, 1:19 p.m.	process_identifier: 1468 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: 0x000002a8	1	0
WriteProcessMemory March 23, 2021, 1:19 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELo/`àXNv @ À@øuS@ H.textTV X `.rsrc@Z@@.reloc `@B base_address: 0x00400000 process_identifier: 1468 process_handle: 0x000002a8	1	1
WriteProcessMemory March 23, 2021, 1:19 p.m.	buffer: base_address: 0x00402000 process_identifier: 1468 process_handle: 0x000002a8	1	1
WriteProcessMemory March 23, 2021, 1:19 p.m.	buffer: 8Ph ¬Pê¬4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoè000004b0,FileDescription 0FileVersion0.0.0.0l%InternalNamehQvsQaZWVYmEHMpPXvhUVPdLuVPBzcvQ.exe(LegalCopyright t%OriginalFilenamehQvsQaZWVYmEHMpPXvhUVPdLuVPBzcvQ.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: 1468 process_handle: 0x000002a8	1	1
WriteProcessMemory March 23, 2021, 1:19 p.m.	buffer: pP6 base_address: 0x0043a000 process_identifier: 1468 process_handle: 0x000002a8	1	1
WriteProcessMemory March 23, 2021, 1:19 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 1468 process_handle: 0x000002a8	1	1
NtSetContextThread March 23, 2021, 1:19 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421198 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000002a4 process_identifier: 1468	1	0
NtResumeThread March 23, 2021, 1:19 p.m.	thread_handle: 0x000002a4 suspend_count: 1 process_identifier: 1468	1	0
NtResumeThread March 23, 2021, 1:19 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 1468	1	0
NtResumeThread March 23, 2021, 1:19 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 1468	1	0
NtResumeThread March 23, 2021, 1:19 p.m.	thread_handle: 0x00000194 suspend_count: 1 process_identifier: 1468	1	0
NtResumeThread March 23, 2021, 1:19 p.m.	thread_handle: 0x00000310 suspend_count: 1 process_identifier: 1468	1	0
NtResumeThread March 23, 2021, 1:19 p.m.	thread_handle: 0x00000330 suspend_count: 1 process_identifier: 1468	1	0
NtResumeThread March 23, 2021, 1:19 p.m.	thread_handle: 0x00000398 suspend_count: 1 process_identifier: 1468	1	0
NtResumeThread March 23, 2021, 1:19 p.m.	thread_handle: 0x00000410 suspend_count: 1 process_identifier: 1468	1	0

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

Elastic	malicious (high confidence)
DrWeb	Trojan.PackedNET.597
Cylance	Unsafe
Sangfor	Trojan.MSIL.Kryptik.VU
K7AntiVirus	Riskware ( 0040eff71 )
Alibaba	Trojan:Win32/Kryptik.ali2000016
K7GW	Riskware ( 0040eff71 )
CrowdStrike	win/malicious_confidence_80% (W)
BitDefenderTheta	Gen:NN.ZemsilF.34628.Om0@aiftg!j
Cyren	W32/MSIL_Troj.ALJ.gen!Eldorado
Symantec	Trojan.Gen.2
ESET-NOD32	a variant of MSIL/Kryptik.AACZ
APEX	Malicious
Avast	Win32:RATX-gen [Trj]
Kaspersky	UDS:DangerousObject.Multi.Generic
Paloalto	generic.ml
McAfee-GW-Edition	BehavesLike.Win32.Trojan.jc
FireEye	Generic.mg.b2e53e9608f1c638
Sophos	Mal/Generic-S
eGambit	Unsafe.AI_Score_99%
Kingsoft	Win32.Troj.Generic_a.a.(kcloud)
Gridinsoft	Trojan.Win32.Kryptik.oa
Microsoft	Trojan:MSIL/Kryptik.VU!MTB
ZoneAlarm	UDS:DangerousObject.Multi.Generic
GData	MSIL.Trojan-Stealer.AgentTesla.KNWFMA
Cynet	Malicious (score: 100)
McAfee	RDN/GenericU
Malwarebytes	MachineLearning/Anomalous.97%
TrendMicro-HouseCall	TROJ_GEN.R002H01CM21
Rising	Trojan.Kryptik!8.8 (CLOUD)
Ikarus	Win32.Outbreak
AVG	Win32:RATX-gen [Trj]
Cybereason	malicious.ac1631
Qihoo-360	Win32/Heur.Generic.HwMAEwAA

xax.exe

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