Behavioral task
behavioral1
Sample
f8d97b38579141b47d574146c6539b0e67b30dc390aa53ae5aea39a90b15c5f1.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
f8d97b38579141b47d574146c6539b0e67b30dc390aa53ae5aea39a90b15c5f1.exe
Resource
win10v2004-20231215-en
General
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Target
f8d97b38579141b47d574146c6539b0e67b30dc390aa53ae5aea39a90b15c5f1
-
Size
3.5MB
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MD5
59b5c1a79311481c1a9fe956f73fbc58
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SHA1
8ffc88b6891026f54dc70867a75689c488ddf2fd
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SHA256
f8d97b38579141b47d574146c6539b0e67b30dc390aa53ae5aea39a90b15c5f1
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SHA512
8ec8e35a43e57437cac59a1f53efb3fd33ad8250e3cc1be595a37fbb950185088043eff3ec8caf3a8aba4db7b8340d8cdbc9e3928bcb36cd174e92549a41ab57
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SSDEEP
49152:jkYBr+xjCrb/TkvO90d7HjmAFd4A64nsfJZWCVW6uglU6ckoB/+BrJC1aGm/+y9q:ajuM/+Bjt2yaq1hZ0IY
Malware Config
Extracted
cobaltstrike
http://172.20.254.133:80/FMsW?test1=test2
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user_agent
Host: whatever.com Accept: */* Accept-Language: en-US Connection: close User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/587.38 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource f8d97b38579141b47d574146c6539b0e67b30dc390aa53ae5aea39a90b15c5f1
Files
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f8d97b38579141b47d574146c6539b0e67b30dc390aa53ae5aea39a90b15c5f1.exe windows:6 windows x64 arch:x64
65892a964106b5e0c6c363fdf21975eb
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetThreadPriority
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateWaitableTimerA
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 124KB - Virtual size: 490KB
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: 219KB - Virtual size: 219KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/32 Size: 42KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/46 Size: 512B - Virtual size: 47B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/65 Size: 371KB - Virtual size: 370KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/78 Size: 240KB - Virtual size: 239KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/90 Size: 74KB - Virtual size: 73KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 21KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 170KB - Virtual size: 170KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ