2024-02-29_76cb221f95d7bb59f292529e4dbc1c87_ekans

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General

Target

2024-02-29_76cb221f95d7bb59f292529e4dbc1c87_ekans
Size

12.1MB
MD5

76cb221f95d7bb59f292529e4dbc1c87
SHA1

b4d728c0a830dbe434c5eb3692b3e5d4cd76b5ef
SHA256

e2ccc7747ba58911a6f648c1d6c0fc1b8edf3d72220a658f18d8f3dd351f942c
SHA512

24eb69c81d3cb2c11aaea00bc9f63392ec3bc546d43a7ed1ce13fe2da10a61530e260659a5f13af83fcc68eb0be1774de296b24db4a612f364d193399a242bab
SSDEEP

98304:/W46CMFLMs4EKsxFoJytwIwLbx4A/qJ03bEI/eqz06WUXtn6iExRAUHWCjY62:/WppFLMs4EKsxFeO3UkUbEImI

Score

10^/10

Malware Config

Signatures

Detects executables containing bas64 encoded gzip files 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-29_76cb221f95d7bb59f292529e4dbc1c87_ekans

Files

2024-02-29_76cb221f95d7bb59f292529e4dbc1c87_ekans
.exe windows:6 windows x64 arch:x64

37e074dd44434ff9e8afdf88b2e2dec6

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateIoCompletionPort
CreateThread
CreateWaitableTimerExW
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
ExitProcess
FreeEnvironmentStringsW
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetLastError
GetProcAddress
GetProcessAffinityMask
GetQueuedCompletionStatusEx
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadContext
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
PostQueuedCompletionStatus
QueryPerformanceCounter
ResumeThread
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetConsoleCtrlHandler
SetErrorMode
SetEvent
SetProcessPriorityBoost
SetThreadContext
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SuspendThread
SwitchToThread
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WriteConsoleW
WriteFile
__C_specific_handler

msvcrt

__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthread
_cexit
_errno
_fmode
_initterm
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
signal
strlen
strncmp
vfprintf

Exports

Exports

_cgo_dummy_export
dataCallback
logCallback

Sections

.text
Size: 2.6MB - Virtual size: 2.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 247KB - Virtual size: 247KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 2.6MB - Virtual size: 2.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 1024B - Virtual size: 816B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 1024B - Virtual size: 644B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 311KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 123B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 92KB - Virtual size: 91KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 759KB - Virtual size: 759KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 227KB - Virtual size: 226KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/92
Size: 728KB - Virtual size: 727KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/106
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

37e074dd44434ff9e8afdf88b2e2dec6

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 2.6MB - Virtual size: 2.6MB

.data Size: 247KB - Virtual size: 247KB

.rdata Size: 2.6MB - Virtual size: 2.6MB

.pdata Size: 1024B - Virtual size: 816B

.xdata Size: 1024B - Virtual size: 644B

.bss Size: - Virtual size: 311KB

.edata Size: 512B - Virtual size: 123B

.idata Size: 3KB - Virtual size: 3KB

.CRT Size: 512B - Virtual size: 104B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 92KB - Virtual size: 91KB

/4 Size: 2KB - Virtual size: 1KB

/19 Size: 2.4MB - Virtual size: 2.4MB

/31 Size: 12KB - Virtual size: 12KB

/45 Size: 759KB - Virtual size: 759KB

/57 Size: 227KB - Virtual size: 226KB

/70 Size: 2KB - Virtual size: 2KB

/81 Size: 2.0MB - Virtual size: 2.0MB

/92 Size: 728KB - Virtual size: 727KB

/106 Size: 512B - Virtual size: 48B

.text
Size: 2.6MB - Virtual size: 2.6MB

.data
Size: 247KB - Virtual size: 247KB

.rdata
Size: 2.6MB - Virtual size: 2.6MB

.pdata
Size: 1024B - Virtual size: 816B

.xdata
Size: 1024B - Virtual size: 644B

.bss
Size: - Virtual size: 311KB

.edata
Size: 512B - Virtual size: 123B

.idata
Size: 3KB - Virtual size: 3KB

.CRT
Size: 512B - Virtual size: 104B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 92KB - Virtual size: 91KB

/4
Size: 2KB - Virtual size: 1KB

/19
Size: 2.4MB - Virtual size: 2.4MB

/31
Size: 12KB - Virtual size: 12KB

/45
Size: 759KB - Virtual size: 759KB

/57
Size: 227KB - Virtual size: 226KB

/70
Size: 2KB - Virtual size: 2KB

/81
Size: 2.0MB - Virtual size: 2.0MB

/92
Size: 728KB - Virtual size: 727KB

/106
Size: 512B - Virtual size: 48B