Static task
static1
Behavioral task
behavioral1
Sample
9b4e8b32a97083a636f78d95fd8ed5fab8b43cfaa67eb72ee9fbbd41f6cdcc51.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
9b4e8b32a97083a636f78d95fd8ed5fab8b43cfaa67eb72ee9fbbd41f6cdcc51.exe
Resource
win10v2004-20240508-en
General
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Target
9b4e8b32a97083a636f78d95fd8ed5fab8b43cfaa67eb72ee9fbbd41f6cdcc51
-
Size
92KB
-
MD5
a8642f40de24fe2cb0948abdb9dbe717
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SHA1
21e7f94d218f65e8be7a925cb988cb2060923ed5
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SHA256
9b4e8b32a97083a636f78d95fd8ed5fab8b43cfaa67eb72ee9fbbd41f6cdcc51
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SHA512
4fb51ddca9d09ca9aa2fd0586795ae19ec13dafeae081781eb3d3285b7c57dbd64effc22ca5fe8f141297800b9fd6fccbdbd2a93edd1d4961e7c9a1fb23e1a1b
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SSDEEP
1536:Z7AvnKhWQtC3Izj6TrlDa2z6Ewd0zvPTQw9LBZRws8V3zhb:5AvKztiIzj6xtDLBZRws8Vj5
Malware Config
Signatures
-
Detects executables packed with eXPressor 1 IoCs
Processes:
resource yara_rule sample INDICATOR_EXE_Packed_eXPressor -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 9b4e8b32a97083a636f78d95fd8ed5fab8b43cfaa67eb72ee9fbbd41f6cdcc51
Files
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9b4e8b32a97083a636f78d95fd8ed5fab8b43cfaa67eb72ee9fbbd41f6cdcc51.exe windows:4 windows x86 arch:x86
b7b36544c7913d18eb11f60f9865553a
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
Imports
kernel32
InitializeCriticalSection
DeleteCriticalSection
GetProcAddress
LoadLibraryA
LeaveCriticalSection
EnterCriticalSection
CloseHandle
WaitForSingleObject
lstrcpyA
InterlockedExchange
Sleep
WritePrivateProfileStringA
GetPrivateProfileStringA
SetThreadPriority
GetLastError
SetUnhandledExceptionFilter
CreateThread
GetModuleHandleA
GetStartupInfoA
user32
wsprintfA
MessageBoxA
shell32
ShellExecuteA
msvcrt
_exit
_controlfp
??3@YAXPAX@Z
memmove
ceil
_ftol
strstr
__CxxFrameHandler
??2@YAPAXI@Z
_CxxThrowException
sprintf
exit
strtok
_beginthreadex
fclose
fputs
fopen
rand
srand
fputc
_except_handler3
ftell
fseek
atoi
strchr
strncpy
strcspn
??1type_info@@UAE@XZ
__dllonexit
_onexit
fgetc
_XcptFilter
_acmdln
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
ws2_32
htons
gethostbyname
socket
ntohs
recv
closesocket
connect
send
inet_addr
WSACleanup
sendto
WSAStartup
htonl
gethostname
inet_ntoa
setsockopt
select
Sections
.data Size: 68KB - Virtual size: 68KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ex_cod Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ex_rsc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ