Static task
static1
Behavioral task
behavioral1
Sample
99318921262d6b3856b953ee7f645045d1cea4003ac4f6668253b51c79d50e36.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
99318921262d6b3856b953ee7f645045d1cea4003ac4f6668253b51c79d50e36.exe
Resource
win10v2004-20240508-en
General
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Target
99318921262d6b3856b953ee7f645045d1cea4003ac4f6668253b51c79d50e36
-
Size
92KB
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MD5
aa0309f312fabff45c637ea7b15a6746
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SHA1
49dceca4afbc66a45168859737c6cef2b7712fa9
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SHA256
99318921262d6b3856b953ee7f645045d1cea4003ac4f6668253b51c79d50e36
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SHA512
5a881f85eca17d82345281069a20c52df4493da5ce7c7a6642c3332c173054dbacbc58533dc96053e01aa47316685d7fd17dc3f75691cf842893db2ea04b1283
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SSDEEP
1536:R7PvnKhWQtC3Izj6TrlDa2z6Ewd0zvPTQw9LBZRQ8V3zhb:hPvKztiIzj6xtDLBZRQ8Vj5
Malware Config
Signatures
-
Detects executables packed with eXPressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_eXPressor -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 99318921262d6b3856b953ee7f645045d1cea4003ac4f6668253b51c79d50e36
Files
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99318921262d6b3856b953ee7f645045d1cea4003ac4f6668253b51c79d50e36.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