Behavioral task
behavioral1
Sample
c9a1f8ff83cf5d7b793f8ddeca73d825f9f93e281fb9f1c0b6dae0805b6d2e7e.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
c9a1f8ff83cf5d7b793f8ddeca73d825f9f93e281fb9f1c0b6dae0805b6d2e7e.exe
Resource
win10v2004-20230831-en
General
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Target
c9a1f8ff83cf5d7b793f8ddeca73d825f9f93e281fb9f1c0b6dae0805b6d2e7e
-
Size
13KB
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MD5
9cae4da3dc3dd2aa66d1c552854b9b73
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SHA1
a6be5f7b39f2f1532bb472f9334fb3a96d34bb6c
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SHA256
c9a1f8ff83cf5d7b793f8ddeca73d825f9f93e281fb9f1c0b6dae0805b6d2e7e
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SHA512
7f7ba814a36c03c8563b22ab29c23ef5255d42d0498e2fe7fd580e64c45c38dd38685658fdad294f7e551363f0d925ffd96de053ec95ee413ecf51f8148b61e7
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SSDEEP
192:aK/sQ44O5/eqd/YwhPMJH3P3Q5tfTcmEn:f/sQ44gxd/YCiP3uEn
Malware Config
Extracted
cobaltstrike
http://124.226.64.130:29003/jquery-3.3.2.slim.min.js
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user_agent
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.34 Safari/537.36 Edg/
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource c9a1f8ff83cf5d7b793f8ddeca73d825f9f93e281fb9f1c0b6dae0805b6d2e7e
Files
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c9a1f8ff83cf5d7b793f8ddeca73d825f9f93e281fb9f1c0b6dae0805b6d2e7e.exe windows x64
427e39eed6c4aaa160e549709dc54268
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
vcruntime140
__current_exception_context
__current_exception
__C_specific_handler
memset
memcpy
api-ms-win-crt-utility-l1-1-0
srand
rand
api-ms-win-crt-stdio-l1-1-0
_set_fmode
fopen
__acrt_iob_func
__stdio_common_vsprintf
fwrite
__p__commode
__stdio_common_vfprintf
fclose
api-ms-win-crt-runtime-l1-1-0
_c_exit
_register_thread_local_exe_atexit_callback
_cexit
_initterm
system
__p___argv
_register_onexit_function
_crt_atexit
terminate
_seh_filter_exe
_set_app_type
__p___argc
_initterm_e
exit
_exit
_initialize_onexit_table
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
api-ms-win-crt-time-l1-1-0
_time64
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
_set_new_mode
kernel32
GetCurrentThreadId
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
GetModuleHandleW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
RtlCaptureContext
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
Sections
.text Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5KB - Virtual size: 5KB
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: 512B - Virtual size: 408B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ