Behavioral task
behavioral1
Sample
738ed6f15fbaf536e37490b1047c777d9d1dd8c562c5535187715ca18b4d8d2e.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
738ed6f15fbaf536e37490b1047c777d9d1dd8c562c5535187715ca18b4d8d2e.exe
Resource
win10v2004-20230915-en
General
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Target
738ed6f15fbaf536e37490b1047c777d9d1dd8c562c5535187715ca18b4d8d2e
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Size
1.2MB
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MD5
5da9529e0cedb80006c628c0f9dd474f
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SHA1
910242f62e52fdbf5df3375cb85f640609cae106
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SHA256
738ed6f15fbaf536e37490b1047c777d9d1dd8c562c5535187715ca18b4d8d2e
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SHA512
e056b8d80e7c78854301c34807ab734a1f40ad0f35a5e598e645e3d422666d807d0adab3ecaacdf41d6bd892ed3b1b4d274385c0690559c57db6b9f893f258f7
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SSDEEP
24576:K75vRzI7VpeBGmCZElE3iPcKWssATf9K:czI7TKWsxfI
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 738ed6f15fbaf536e37490b1047c777d9d1dd8c562c5535187715ca18b4d8d2e
Files
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738ed6f15fbaf536e37490b1047c777d9d1dd8c562c5535187715ca18b4d8d2e.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