Behavioral task
behavioral1
Sample
aff7c4268ab620bf7615f98dff2ae19f3c49592834b9c776352a0e70fc951afe.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
aff7c4268ab620bf7615f98dff2ae19f3c49592834b9c776352a0e70fc951afe.exe
Resource
win10v2004-20241007-en
General
-
Target
aff7c4268ab620bf7615f98dff2ae19f3c49592834b9c776352a0e70fc951afe
-
Size
121KB
-
MD5
251d7b357282bdb16c9b800178a13b48
-
SHA1
45376dfca113accb194e17dec2b4cca65bd1c833
-
SHA256
aff7c4268ab620bf7615f98dff2ae19f3c49592834b9c776352a0e70fc951afe
-
SHA512
a707bf5248b355f568877f76622ea645d69677489418df2b4dffff3b7ff0810e75015efece49d017555479b82ded59030533b4a79cc2d3499d6679da96737c90
-
SSDEEP
1536:e/OrWk65WlgB7VIxYJhb2pcMApHqJjTppqFGpEL02KNtB0TY2dHISn:1rX6EY78/pCvck3n
Malware Config
Extracted
cobaltstrike
http://192.168.1.163:443/jLVQ
-
user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; InfoPath.2)
Signatures
-
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource aff7c4268ab620bf7615f98dff2ae19f3c49592834b9c776352a0e70fc951afe
Files
-
aff7c4268ab620bf7615f98dff2ae19f3c49592834b9c776352a0e70fc951afe.exe windows:4 windows x64 arch:x64
2e8c5c672c943518bda68611ed2262d8
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
libcrypto-3-x64
EVP_CIPHER_CTX_free
EVP_CIPHER_CTX_new
EVP_DecryptFinal_ex
EVP_DecryptInit_ex
EVP_DecryptUpdate
EVP_aes_256_cbc
kernel32
DeleteCriticalSection
EnterCriticalSection
GetLastError
InitializeCriticalSection
LeaveCriticalSection
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
msvcrt
__C_specific_handler
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_initterm
abort
atexit
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: 512B - Virtual size: 208B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 4KB - 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: 420B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 384B
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
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 124B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/4 Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/19 Size: 39KB - Virtual size: 39KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/31 Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/45 Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/57 Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/70 Size: 1024B - Virtual size: 707B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/81 Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/97 Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/113 Size: 512B - Virtual size: 366B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ