Behavioral task
behavioral1
Sample
bb4db80a170964d477f8108c420b6507b765adb17bae2332bf0656b6dbafcbd4.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
bb4db80a170964d477f8108c420b6507b765adb17bae2332bf0656b6dbafcbd4.exe
Resource
win10v2004-20230703-en
General
-
Target
bb4db80a170964d477f8108c420b6507b765adb17bae2332bf0656b6dbafcbd4
-
Size
40KB
-
MD5
03b9a5a37f665ef66d2ee695c0aecdc4
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SHA1
d75a250152925e581d0b665efe4f0654c82532b5
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SHA256
bb4db80a170964d477f8108c420b6507b765adb17bae2332bf0656b6dbafcbd4
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SHA512
ebfe503958849e8e574d439fe542341a76d61cc1df15a969f550dbe2bed92b638860b6d62cdc93a12c3197ce5f4cde0423d996d82a959607920595e458341870
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SSDEEP
384:KauSw8MeFkimwaGGXGk1BsqshOXuKBOxOoCzrbgo7Ol3nR+GssHss:Zvw8MqWVJYOeK44oyG38St
Malware Config
Extracted
cobaltstrike
http://192.168.180.128:801/UPhP
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0; ASU2JS)
Signatures
-
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource bb4db80a170964d477f8108c420b6507b765adb17bae2332bf0656b6dbafcbd4
Files
-
bb4db80a170964d477f8108c420b6507b765adb17bae2332bf0656b6dbafcbd4.exe windows x64
26af3d0a117851dda9d254678568f415
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
WaitForSingleObject
Sleep
GetCurrentThread
CreateThread
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetModuleHandleW
SetLastError
VirtualQuery
VirtualFree
VirtualProtect
FlushInstructionCache
SetThreadContext
GetThreadContext
ResumeThread
SuspendThread
GetCurrentThreadId
GetCurrentProcess
GetLastError
vcruntime140
_CxxThrowException
__current_exception_context
__current_exception
__C_specific_handler
__std_exception_destroy
memset
memcpy
__std_exception_copy
api-ms-win-crt-stdio-l1-1-0
__p__commode
_set_fmode
__stdio_common_vfprintf
__acrt_iob_func
api-ms-win-crt-runtime-l1-1-0
_c_exit
__p___argv
__p___argc
_register_thread_local_exe_atexit_callback
_crt_atexit
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
_register_onexit_function
_set_app_type
_seh_filter_exe
_initialize_onexit_table
terminate
_cexit
_exit
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
api-ms-win-crt-heap-l1-1-0
free
malloc
_callnewh
_set_new_mode
Sections
.text Size: 19KB - Virtual size: 19KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.detourc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.detourd Size: 512B - Virtual size: 24B
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: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ