Behavioral task
behavioral1
Sample
81f3a72c6346363bd77c12dc99b28ba82983baee85fd26c6fb984db601f51e22.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
81f3a72c6346363bd77c12dc99b28ba82983baee85fd26c6fb984db601f51e22.exe
Resource
win10v2004-20240426-en
General
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Target
81f3a72c6346363bd77c12dc99b28ba82983baee85fd26c6fb984db601f51e22
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Size
877KB
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MD5
f8cff10e65260612ecc35d0641b4195e
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SHA1
1f574e6f8951251acc7d8e6c659f95967c28a314
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SHA256
81f3a72c6346363bd77c12dc99b28ba82983baee85fd26c6fb984db601f51e22
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SHA512
0bb76ee55c571447a42ceacbf3d9cb0308d6a1cbafe919371bd2bd782c55da32c64f52216d6602be03f8330e137941062d8b9490bc560e543ae67f7f9f8adf7b
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SSDEEP
12288:D7ETrklSWE4GhXQjd+LLw59bEADIgEPkrakZqbo13csYgtjg5H4:D7E/kwWDzjQ/w59YADIpPOcsYgtc5H4
Malware Config
Extracted
cobaltstrike
http://192.168.158.128:8080/jquery-3.3.2.slim.min.js
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user_agent
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 81f3a72c6346363bd77c12dc99b28ba82983baee85fd26c6fb984db601f51e22
Files
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81f3a72c6346363bd77c12dc99b28ba82983baee85fd26c6fb984db601f51e22.exe windows:6 windows x64 arch:x64
f0ea7b7844bbc5bfa9bb32efdcea957c
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
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: 392KB - Virtual size: 391KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 448KB - Virtual size: 448KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 373KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ