Behavioral task
behavioral1
Sample
c07736bf7b1558ee6cd7b3e1d2c2edf3a5e94bfa626e1ec06165e04f2f3bf50e.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
c07736bf7b1558ee6cd7b3e1d2c2edf3a5e94bfa626e1ec06165e04f2f3bf50e.exe
Resource
win10v2004-20231023-en
General
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Target
c07736bf7b1558ee6cd7b3e1d2c2edf3a5e94bfa626e1ec06165e04f2f3bf50e
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Size
1.9MB
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MD5
bdb7a1fa2186dbcd6284f698c772fd7b
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SHA1
d2d2fbe0548c9d082ce63508902d922b16c63ee7
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SHA256
c07736bf7b1558ee6cd7b3e1d2c2edf3a5e94bfa626e1ec06165e04f2f3bf50e
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SHA512
afc0a2d0d45ed989a2a6d9e509cea7372efde326bfe914ec1de3eb02f81a505db625a3b92a1cad979cf6160fcb5896bce63431d10b2371e9dc5f3dde770719e7
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SSDEEP
24576:ZtBZHBY6mjrLX+1iRrZgMBpCZVGjyiD1VWXg8KEQfm/xMs1sw4Nay:ZtBZhY6k2sgMBMTiD1kXtjFxMsWYy
Malware Config
Extracted
cobaltstrike
http://192.168.122.132:1122/LxWB
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user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB7.4; InfoPath.2)
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource c07736bf7b1558ee6cd7b3e1d2c2edf3a5e94bfa626e1ec06165e04f2f3bf50e
Files
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c07736bf7b1558ee6cd7b3e1d2c2edf3a5e94bfa626e1ec06165e04f2f3bf50e.exe windows:6 windows x64
9cbefe68f395e67356e2a5d8d1b285c0
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
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: 570KB - Virtual size: 569KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 627KB - Virtual size: 626KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 95KB - Virtual size: 453KB
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: 118KB - Virtual size: 117KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/32 Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/46 Size: 512B - Virtual size: 34B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/65 Size: 217KB - Virtual size: 217KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/78 Size: 120KB - Virtual size: 120KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/90 Size: 38KB - Virtual size: 37KB
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: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 95KB - Virtual size: 94KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ