Behavioral task
behavioral1
Sample
88d0ecfa17450dafd74eb8fcb86d55514fe8af2f37c5def2f1d9d4af0c0db1af.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
88d0ecfa17450dafd74eb8fcb86d55514fe8af2f37c5def2f1d9d4af0c0db1af.exe
Resource
win10v2004-20230915-en
General
-
Target
88d0ecfa17450dafd74eb8fcb86d55514fe8af2f37c5def2f1d9d4af0c0db1af
-
Size
188KB
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MD5
1eda716415c9191406fbbf88b34914f9
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SHA1
8ae83cbb60a44136f76a38e5d4e2de139398723e
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SHA256
88d0ecfa17450dafd74eb8fcb86d55514fe8af2f37c5def2f1d9d4af0c0db1af
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SHA512
108421e742119fdc455a141da6ea483de1ee47245a31af2237b55a16a06796e371eb1ca3fb13c4d8ccd79db5d9614e50c8abc44a3a71280ad67e6177af7e094e
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SSDEEP
3072:9m2q6XRgz8upt+72dai0x/w6DHF4pIiyWzYShj:ZCPdai0x/bDHF4pIXkYShj
Malware Config
Extracted
cobaltstrike
http://124.70.10.142:2222/Esp5
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0; BOIE9;ENUS)
Signatures
-
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 88d0ecfa17450dafd74eb8fcb86d55514fe8af2f37c5def2f1d9d4af0c0db1af
Files
-
88d0ecfa17450dafd74eb8fcb86d55514fe8af2f37c5def2f1d9d4af0c0db1af.exe windows:4 windows x64
d31f0bc6d8a36658b0b5dbb1ef35ddd6
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
CreateSemaphoreW
DeleteCriticalSection
EnterCriticalSection
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetProcAddress
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
QueryPerformanceCounter
ReleaseSemaphore
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetLastError
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
msvcrt
__C_specific_handler
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_fileno
_fmode
_initterm
_onexit
_setmode
abort
calloc
exit
fflush
fprintf
fputc
free
fwrite
malloc
memcpy
memset
printf
realloc
signal
strlen
strncmp
vfprintf
Sections
.text Size: 70KB - Virtual size: 69KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 912B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 4KB - Virtual size: 3KB
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: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
/4 Size: 512B - Virtual size: 128B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/19 Size: 37KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/31 Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/45 Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/57 Size: 512B - Virtual size: 392B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/70 Size: 512B - Virtual size: 320B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/81 Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/92 Size: 512B - Virtual size: 368B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ