Static task
static1
Behavioral task
behavioral1
Sample
C2Server.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
C2Server.exe
Resource
win10v2004-20230824-en
General
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Target
C2Server.exe
-
Size
2.6MB
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MD5
eeb13b8263ef7760d583f34a7ed06a5d
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SHA1
3d0c7facce2ce44fef824deb252cdd049056b063
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SHA256
00003367a8fb33e96b7d04afd062c3e0a17a4b3c0a349c4e92376e45acbcfb83
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SHA512
d7f2361c5692244d522e584b4102d529f67b5728b64c35912db8a111c928bf41759b2ca12eb5902369f701df0712f6e2aea6b9f289e18d7341f9b53f38cb64de
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SSDEEP
49152:5DmATJrkRThtwm08gcYD15AEmMefLRmADiVKJzoJ:5DZNgRVtwm0HDBmMefLRmAOa8
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource C2Server.exe
Files
-
C2Server.exe.exe windows x86
9cbefe68f395e67356e2a5d8d1b285c0
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 841KB - Virtual size: 840KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 861KB - Virtual size: 861KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 80KB - Virtual size: 245KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
/4 Size: 512B - Virtual size: 295B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/19 Size: 178KB - Virtual size: 177KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/32 Size: 31KB - Virtual size: 30KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/46 Size: 512B - Virtual size: 54B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/65 Size: 292KB - Virtual size: 291KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/78 Size: 176KB - Virtual size: 176KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/90 Size: 64KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 1024B - Virtual size: 988B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 134KB - Virtual size: 133KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ