Static task
static1
Behavioral task
behavioral1
Sample
update.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
update.exe
Resource
win10v2004-20240802-en
General
-
Target
update.exe
-
Size
851KB
-
MD5
dd0210ee58c682c90c6162ed9d6a4dea
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SHA1
6ea44dc5a01bb746e38466be1ee3017de6339f3a
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SHA256
de79d8afbe13e04525b3cd63333e69ebc50b8ced4d4070b657885c020c7a345e
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SHA512
807e6292cefc1e6f75fec44dc5800d1a250f582a4ee28c45eb5c6b35a3185ce456bd8cb4ad56fcaee109476bdb7ff706a6c7bfc568fa62d8edbc4c7400110e6c
-
SSDEEP
24576:RL0Vlb/lcQIs6QMPRYQgEaSqi+npiuziibsAdHIQLyQqRYOl0KMC3j1OfLBi9oCL:RL8V/lBD6QMPRYQgEaSqi+npiuziibsX
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource update.exe
Files
-
update.exe.exe windows:4 windows x64 arch:x64
Password: infected
f651d38a82adc1d649e10912f0e4296c
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_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
DeleteCriticalSection
EnterCriticalSection
GetLastError
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WideCharToMultiByte
msvcrt
__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_commode
_errno
_filelengthi64
_fileno
_fmode
_initterm
_ismbblead
_localtime64
_lock
_onexit
_setmode
_unlock
_wfopen
abort
calloc
clearerr
exit
fclose
ferror
fflush
fgetc
fgetpos
fprintf
fputc
fread
free
fsetpos
fwrite
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
realloc
setvbuf
signal
strerror
strlen
strncmp
ungetc
vfprintf
wcschr
wcslen
user32
MessageBoxA
Sections
.text Size: 658KB - Virtual size: 657KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 147KB - Virtual size: 147KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 5KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 2KB
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: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ