Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10v2004-20230915-en
General
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Target
a.exe
-
Size
43KB
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MD5
69a9b2159d5aeb16436c348c1399adbd
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SHA1
0e9dcd6f3f76b4eac0aba10d9f25125d9c6776d7
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SHA256
2e4811baa1cca0485e3146eb0ff43c93a4f5727af2dfea07a750c2865584e975
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SHA512
b4a5d1cc072d7559979157b91385f943abc1c7e1f4c1fecb2c006bfff5a52585cc7be6a1d890b130a6043aa0a868ea5205b137b8a15b373ac4d56b9c547114c6
-
SSDEEP
768:jkRgJ6P0wZE7mmbMr5h33cWh3L/KViG2zGD0Amg7YLhM:4RgwFEmmbMr5p3cWB/3C16M
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a.exe
Files
-
a.exe.exe windows:4 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