Behavioral task
behavioral1
Sample
dabda41f46615c4910ccefc978a67699a37c84346040587681fc48cb6fd630c9.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
dabda41f46615c4910ccefc978a67699a37c84346040587681fc48cb6fd630c9.exe
Resource
win10v2004-20230703-en
General
-
Target
dabda41f46615c4910ccefc978a67699a37c84346040587681fc48cb6fd630c9
-
Size
220KB
-
MD5
463e8e52f850aa62cc67eb42256d9c9a
-
SHA1
8308825f3252b18b2c367e56709258276249eb9f
-
SHA256
dabda41f46615c4910ccefc978a67699a37c84346040587681fc48cb6fd630c9
-
SHA512
d4a1c88180f237d3523191cc27cef1677af121ae7eb8b44826452d81706f500fad731cfeff60749305cb08ab86c1eb326620ec6d65312da430215a5ff097f432
-
SSDEEP
3072:J/QPFX1eqEfuBNSYuiM8CNj8hFsoMX0ghsJRgCD3iFw9jdUmZ5rP:J/MEfuN0t8C5oFsoeRM3o0jpX
Malware Config
Extracted
cobaltstrike
922183268
http://ajax.microsoft.com:443/c/msdownload/update/1930155_
-
access_type
512
-
beacon_type
2048
-
host
ajax.microsoft.com,/c/msdownload/update/1930155_
-
http_header1
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
-
http_header2
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
-
http_method1
POST
-
http_method2
POST
-
jitter
5120
-
polling_time
60000
-
port_number
443
-
sc_process32
%windir%\syswow64\rundll32.exe
-
sc_process64
%windir%\sysnative\rundll32.exe
-
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDdhSmNi7p+0zSNEuquIktBUtSRqxyog2WtT9wJvGIn5+qWNtVnnO70BCiSqQ9jtM41APWqyamHV8AnDu8+G9Cm8Xvtlv71dmKQgpqPGx8I9HW7KpWw85Qt52KMlFMW/K7eIa8LKslpPaeLTYbV0kUldDeHCyPncGzFRs6M8Xc8QQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
unknown1
4096
-
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
unknown3
1.610612736e+09
-
uri
/c/msdownload/update/1534335_
-
user_agent
Windows-Update-Agent/10.0.10011.16384 Client-Protocol/1.40
-
watermark
922183268
Signatures
-
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource dabda41f46615c4910ccefc978a67699a37c84346040587681fc48cb6fd630c9
Files
-
dabda41f46615c4910ccefc978a67699a37c84346040587681fc48cb6fd630c9.exe windows x86
829da329ce140d873b4a8bde2cbfaa7e
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
CreateThread
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetProcAddress
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
QueryPerformanceCounter
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualProtect
VirtualQuery
msvcrt
__dllonexit
__getmainargs
__initenv
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_fmode
_initterm
_iob
_lock
_onexit
_unlock
_winmajor
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
signal
strlen
strncmp
vfprintf
Sections
.text Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 1024B - Virtual size: 720B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 1KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 52B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.yewm Size: 206KB - Virtual size: 206KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE