Static task
static1
Behavioral task
behavioral1
Sample
8747buh.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
8747buh.exe
Resource
win10v2004-20230220-en
General
-
Target
8747buh.EXE
-
Size
668KB
-
MD5
d1c526ea28154aa967f5d180c18da639
-
SHA1
402ba203bcf824f2332bda738c10709271e656b3
-
SHA256
c8e38cdab56fdbbb10eb8080b5776e625b1a68e42cfc87a102627be3166d5aaf
-
SHA512
7cd2473f2fda1b22d0a1c0e3b84b1fb3f4391dcbe9da10aaf5941995d3a3316569b3b93dac78b40e0b441445e7ed63753377f16e5a71b15107c15eb2471d8105
-
SSDEEP
12288:SbJXPtju/m+2uxVvOUvitPOnLtqejlWn5NlZVUT/Vc57A2YhqnuI:alKm+JAUxLhWn/xUGGd+uI
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 8747buh.EXE
Files
-
8747buh.EXE.exe windows x86
361895b32e9a712ea2d7c5f140186048
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
GetModuleFileNameA
LocalFree
SizeofResource
LockResource
CreateFileA
FindResourceA
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFileTime
GetFileSize
GlobalAlloc
ReadFile
CloseHandle
GlobalFree
GetLocalTime
lstrcpyA
LoadResource
HeapReAlloc
InterlockedIncrement
HeapFree
GetProcessHeap
HeapAlloc
TlsFree
GetCurrentThreadId
GetCurrentProcess
TlsAlloc
TlsGetValue
TlsSetValue
GetVolumeInformationA
FormatMessageA
ReleaseMutex
CreateMutexA
InterlockedCompareExchange
InterlockedDecrement
GetStartupInfoA
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
ReleaseSemaphore
OpenSemaphoreA
CreateSemaphoreA
WaitForSingleObject
SearchPathA
Sleep
GetLastError
FindNextFileA
FindFirstFileA
SetErrorMode
DeviceIoControl
GetVersion
FreeLibrary
GetSystemTime
SystemTimeToFileTime
FindClose
WriteFile
LocalAlloc
LoadLibraryA
GetModuleHandleA
GetProcAddress
GetEnvironmentVariableA
GetCurrentProcessId
lstrcatA
user32
MessageBoxA
wsprintfA
advapi32
RegCreateKeyExA
RegSetValueExA
RegOpenKeyExA
RegQueryValueExA
RegCloseKey
msvcrt
?set_new_handler@@YAP6AXXZP6AXXZ@Z
??9type_info@@QBEHABV0@@Z
?name@type_info@@QBEPBDXZ
malloc
memmove
_CxxThrowException
??0exception@@QAE@XZ
??1exception@@UAE@XZ
??0exception@@QAE@ABV0@@Z
free
_onexit
_exit
_XcptFilter
exit
_acmdln
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
??1type_info@@UAE@XZ
_controlfp
__dllonexit
_except_handler3
memcmp
memset
??8type_info@@QBEHABV0@@Z
_purecall
strstr
??2@YAPAXI@Z
??3@YAXPAX@Z
__CxxFrameHandler
fopen
fprintf
vfprintf
fclose
msvcp60
?_Grow@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAE_NI_N@Z
?_C@?1??_Nullstr@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@CAPBDXZ@4DB
?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@PBDI@Z
?_Freeze@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXXZ
??0?$basic_ostringstream@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@K@Z
?str@?$basic_ostringstream@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBE?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@XZ
?_Tidy@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEX_N@Z
?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB
?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@ABV12@II@Z
??_D?$basic_ostringstream@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEXXZ
??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
??0bad_alloc@std@@QAE@PBD@Z
??1bad_alloc@std@@UAE@XZ
??0bad_alloc@std@@QAE@ABV01@@Z
?assign@?$char_traits@D@std@@SAXAADABD@Z
??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@DABV10@@Z
??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@ABV10@0@Z
?max_size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ
??1_Winit@std@@QAE@XZ
??0_Winit@std@@QAE@XZ
??1Init@ios_base@std@@QAE@XZ
??0Init@ios_base@std@@QAE@XZ
??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@PBDABV10@@Z
?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@PBD@Z
??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@PBDABV?$allocator@D@1@@Z
??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@ABV10@PBD@Z
??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@ABV01@@Z
?erase@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@II@Z
?replace@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@IIID@Z
?_Xlen@std@@YAXXZ
?_Copy@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXI@Z
?_Xran@std@@YAXXZ
?_Split@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXXZ
?_Eos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXI@Z
Sections
.text Size: 528KB - Virtual size: 526KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 56KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 76KB - Virtual size: 1.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ