Behavioral task
behavioral1
Sample
3c1b336cc0498e822f88f0eadf1324394f398d6eafb6b993fcaa1eb1c432d8fc.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
3c1b336cc0498e822f88f0eadf1324394f398d6eafb6b993fcaa1eb1c432d8fc.exe
Resource
win10v2004-20231023-en
General
-
Target
3c1b336cc0498e822f88f0eadf1324394f398d6eafb6b993fcaa1eb1c432d8fc
-
Size
131KB
-
MD5
f6a61dd562344e51a8b6564124ee8567
-
SHA1
3b185f5464df17589542303d4c240c26c15c6171
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SHA256
3c1b336cc0498e822f88f0eadf1324394f398d6eafb6b993fcaa1eb1c432d8fc
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SHA512
8baa80c81ceb1fd539bbec9d610d5406eeea4ae7600e9222b89e4cbdb9375753423812673ae49c26c52787de374857fc5941160788603e738a105651ae5c9774
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SSDEEP
1536:e5KmgHonsXyCmaTXRS8oeWgHDI7Q1tAUvMFMQiNuRTIe3Ip7Us:Jm1ohSYHDI7Q1tovRke3IOs
Malware Config
Extracted
cobaltstrike
http://121.5.196.25:8889/jquery-3.3.2.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 Host: c.bywe.xyz Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0)
Signatures
-
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3c1b336cc0498e822f88f0eadf1324394f398d6eafb6b993fcaa1eb1c432d8fc
Files
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3c1b336cc0498e822f88f0eadf1324394f398d6eafb6b993fcaa1eb1c432d8fc.exe windows:4 windows x64
3b33b265ba92f003445fc71882fc1af3
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
CloseHandle
CreateRemoteThread
DeleteCriticalSection
EnterCriticalSection
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
OpenProcess
QueryPerformanceCounter
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualAllocEx
VirtualProtect
VirtualQuery
WriteProcessMemory
msvcrt
__C_specific_handler
__dllonexit
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_fmode
_initterm
_lock
_onexit
_unlock
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
puts
signal
strlen
strncmp
vfprintf
Sections
.text Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 144B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 1024B - Virtual size: 564B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 508B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 2KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
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: 104B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
/4 Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/19 Size: 48KB - Virtual size: 47KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/31 Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/45 Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/57 Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/70 Size: 1024B - Virtual size: 768B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/81 Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/92 Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ