Behavioral task
behavioral1
Sample
JC_17d1b864c2ddda4b513b26a625b621cc1a0871dcbfb1f8303036abd04ee729f9.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
JC_17d1b864c2ddda4b513b26a625b621cc1a0871dcbfb1f8303036abd04ee729f9.exe
Resource
win10v2004-20230915-en
General
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Target
JC_17d1b864c2ddda4b513b26a625b621cc1a0871dcbfb1f8303036abd04ee729f9
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Size
1.2MB
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MD5
f0da03a509b3321d149903a072b62679
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SHA1
51cb5306808af12cc133ccb0eb3f3650f35cc4f9
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SHA256
17d1b864c2ddda4b513b26a625b621cc1a0871dcbfb1f8303036abd04ee729f9
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SHA512
f08ab619185a9922978d8a36b4703a07a430da86632e05cd46e9e0ac3b36974c3aebb6624a66bd65aded0016ace51c1c5c661cb9f011a960c6c1583fd493ab6d
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SSDEEP
12288:hqNVSFWWgzWR1FxLeb8Ze4Wczw5lr3WWe5Cce/y/YhsqILnZHja0qgXT5YMqo:INVznzW1xLeb8kcz4lW5C9KqILZvt
Malware Config
Signatures
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Cobalt Strike reflective loader 1 IoCs
Detects the reflective loader used by Cobalt Strike.
resource yara_rule sample cobalt_reflective_dll -
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource JC_17d1b864c2ddda4b513b26a625b621cc1a0871dcbfb1f8303036abd04ee729f9
Files
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JC_17d1b864c2ddda4b513b26a625b621cc1a0871dcbfb1f8303036abd04ee729f9.exe windows:4 windows x86
0d6b2433b9af4c1382ad94472120d6be
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
winmm
timeBeginPeriod
ws2_32
WSAGetOverlappedResult
ntdll
NtWaitForSingleObject
advapi32
CryptReleaseContext
CryptGenRandom
CryptAcquireContextW
kernel32
WriteFile
WriteConsoleW
WaitForSingleObject
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetThreadPriority
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
LoadLibraryA
LoadLibraryW
GetThreadContext
GetSystemInfo
GetStdHandle
GetQueuedCompletionStatus
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerA
CreateThread
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 91KB
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
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ