Behavioral task
behavioral1
Sample
fb01efcaa6ae9dd721a14d67b125ec7b7c498695e5d0d402622a65206bca045f.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
fb01efcaa6ae9dd721a14d67b125ec7b7c498695e5d0d402622a65206bca045f.exe
Resource
win10v2004-20230915-en
General
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Target
fb01efcaa6ae9dd721a14d67b125ec7b7c498695e5d0d402622a65206bca045f
-
Size
11KB
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MD5
95d51a3e6bee27b9ff64f501d18386e3
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SHA1
b700d3bf29b58a1b2267a0f70c3570713f50ffcd
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SHA256
fb01efcaa6ae9dd721a14d67b125ec7b7c498695e5d0d402622a65206bca045f
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SHA512
276ea8680702abb36d1bf515918c29bcd6f5dd0d4c773844a0be106ef549ada678191f2aeafa179cd5494fd86af2836232a03c23d57ec39d3b4683a86ec1adda
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SSDEEP
96:fgtmT/gWX0T7yuTgLJQj8eaRPEsBIfvmjTdxCgMfv0m73Q5tf0dcX7g3a1ryhxCW:fgtmRJy8ejf+nCgM13Q5tfmcX112hx
Malware Config
Extracted
cobaltstrike
http://192.168.3.128:801/dUcA
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user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)
Signatures
-
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fb01efcaa6ae9dd721a14d67b125ec7b7c498695e5d0d402622a65206bca045f
Files
-
fb01efcaa6ae9dd721a14d67b125ec7b7c498695e5d0d402622a65206bca045f.exe windows:6 windows x64
83884cb67e3fce230b34046fda21eea8
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
Imports
kernel32
VirtualAlloc
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
GetModuleHandleW
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
GetCurrentThreadId
vcruntime140
__C_specific_handler
__current_exception
__current_exception_context
memset
memcpy
api-ms-win-crt-runtime-l1-1-0
_register_onexit_function
_crt_atexit
_cexit
terminate
_seh_filter_exe
_initialize_onexit_table
_set_app_type
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
_exit
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-stdio-l1-1-0
__p__commode
_set_fmode
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
api-ms-win-crt-heap-l1-1-0
_set_new_mode
Sections
.text Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 512B - Virtual size: 324B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.msvcjmc Size: 512B - Virtual size: 163B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 44B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ