Behavioral task
behavioral1
Sample
f8add860a89641ca71f64bac700f94e6c88556f799090027c34187d88f5840bc.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
f8add860a89641ca71f64bac700f94e6c88556f799090027c34187d88f5840bc.exe
Resource
win10v2004-20231222-en
General
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Target
f8add860a89641ca71f64bac700f94e6c88556f799090027c34187d88f5840bc
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Size
1.4MB
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MD5
f1186375a0e61a0efe38e2d0251d4ad8
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SHA1
13a63bc2037b0ffe420266da451f00a8dd538488
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SHA256
f8add860a89641ca71f64bac700f94e6c88556f799090027c34187d88f5840bc
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SHA512
d9a94abc16bfe62f5daa73dba4a74719c7f698910b96eb1a525e3b03b4420138fecdef07e6b60cc8941b4335508fbbe9514ce531873d824e47ea2845e84675ec
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SSDEEP
12288:xbdq91F7oqSVpjGlu/1by7asOv427sRqRHTtQbRhdsTpfPPSK/tj61jY10xlK1:9Q91FopjyU1brswi+Jj6pLxU1
Malware Config
Extracted
cobaltstrike
http://www.francy.world:8443/oEx1
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user_agent
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko Host: www.francy.world
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource f8add860a89641ca71f64bac700f94e6c88556f799090027c34187d88f5840bc
Files
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f8add860a89641ca71f64bac700f94e6c88556f799090027c34187d88f5840bc.exe windows:6 windows x64 arch:x64
4035d2883e01d64f3e7a9dccb1d63af5
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
Sleep
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
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 672KB - Virtual size: 671KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 685KB - Virtual size: 685KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 85KB - Virtual size: 377KB
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: 28KB - Virtual size: 28KB
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