Behavioral task
behavioral1
Sample
4f1839a15424837a0ebf1f5b7286079695e06a58aca42cdff9ce31ace95ef4bb.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
4f1839a15424837a0ebf1f5b7286079695e06a58aca42cdff9ce31ace95ef4bb.exe
Resource
win10v2004-20230831-en
General
-
Target
4f1839a15424837a0ebf1f5b7286079695e06a58aca42cdff9ce31ace95ef4bb
-
Size
253KB
-
MD5
cc7769cebe08b6de2ffaf7c8ba96195e
-
SHA1
cceee893f8901f2a96a76558b7ed958c0575f3cd
-
SHA256
4f1839a15424837a0ebf1f5b7286079695e06a58aca42cdff9ce31ace95ef4bb
-
SHA512
d399e32b70a4835990bfd9751692e4baf0b6c9fcc4cbeceff3c3bd72013588a042b8a8328a4a34de5359ddf34cf57c733d195beb6e18ba88b093d573d8f723e1
-
SSDEEP
3072:sHg6zHihzgURZ9ETQnl0tYc418PJZ8m1s7+YG+untEYFDNYRGkW4z/cBd:d6zHiv1ngY0LbDNbRBd
Malware Config
Extracted
cobaltstrike
http://124.71.11.42:10000/xE4l
-
user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)
Signatures
-
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4f1839a15424837a0ebf1f5b7286079695e06a58aca42cdff9ce31ace95ef4bb
Files
-
4f1839a15424837a0ebf1f5b7286079695e06a58aca42cdff9ce31ace95ef4bb.exe windows x64
1850e1c2972581d1d04becf11dbee535
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
DeleteCriticalSection
EnterCriticalSection
GetConsoleWindow
GetLastError
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
MultiByteToWideChar
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WideCharToMultiByte
msvcrt
__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_errno
_fmode
_initterm
_lock
_onexit
_unlock
abort
calloc
exit
fprintf
fputc
free
fwrite
localeconv
malloc
memcpy
memset
signal
strerror
strlen
strncmp
vfprintf
wcslen
user32
ShowWindow
Sections
.text Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 192B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 1KB - Virtual size: 1KB
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: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 96B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 132B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/4 Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/19 Size: 76KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/31 Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/45 Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/57 Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/70 Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/81 Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/97 Size: 30KB - Virtual size: 29KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/113 Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ