Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10-20230915-en
Behavioral task
behavioral3
Sample
a.exe
Resource
win10v2004-20230915-en
General
-
Target
a.exe
-
Size
43KB
-
MD5
d547a9797165b6812a3a21962747ad80
-
SHA1
d6a974989b3a48509cacb47049f42ed319d012e6
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SHA256
f9840948aad6aadc1000576129fbe0292c976c1b621b034493613f344587bd00
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SHA512
f1328a483d471441bab2fdc8c8bdb626b14c588324eb914f362f42665ceb1980799d9e77a72f8165d63ea83ac1464e45d280d72727f1c4873e6e01e2d4ec1845
-
SSDEEP
768:OkRgJ6P0wZE7mmbMr5h33cWh3L/KViG2MGD0Amg7YLhM:NRgwFEmmbMr5p3cWB/wC16M
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a.exe
Files
-
a.exe.exe windows x86
9a95fa6da440c04a685369f8891b581a
Headers
DLL Characteristics
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_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
QueryPerformanceCounter
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
WideCharToMultiByte
msvcrt
__getmainargs
__initenv
__mb_cur_max
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_errno
_initterm
_iob
_onexit
abort
atoi
calloc
exit
fprintf
fputc
free
fwrite
localeconv
malloc
memcpy
memset
setlocale
signal
strchr
strerror
strlen
strncmp
system
vfprintf
wcslen
Sections
.text Size: 29KB - Virtual size: 28KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 76B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.eh_fram Size: 5KB - Virtual size: 5KB
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: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ