Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10v2004-20231215-en
General
-
Target
a.exe
-
Size
514KB
-
MD5
5ff186d73f3fc6cc5d0e44e4066e9183
-
SHA1
13dfefd96dee044398b081288540887f022c7f1e
-
SHA256
1f0e39e3bae342f4ee41a119dc910042b9138bdc7b540a452f6169bccdd6f6ce
-
SHA512
948934a54f1c430da565a21006e53a7e23c02c82debdc8e56d3dfb27f418a5450f9bb917fbffe43d913622b5ce12575bc88cc319e7953cf690ce883b353d2277
-
SSDEEP
768:0+4EWzHdbEqTCWFlPP3lLuzZPKqn1GQnl2roL:sHdBmW/PP3lLuBZnXnlMoL
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a.exe
Files
-
a.exe.exe windows:4 windows x86 arch:x86
4ef1c923b9c7a1ff09174a022e836fa8
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileA
FindNextFileA
FreeLibrary
GetCommandLineA
GetLastError
GetModuleHandleA
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
SetUnhandledExceptionFilter
TlsGetValue
VirtualProtect
VirtualQuery
msvcrt
_strdup
_stricoll
__getmainargs
__mb_cur_max
__p__environ
__p__fmode
__set_app_type
_cexit
_errno
_fpreset
_fullpath
_iob
_isctype
_onexit
_pctype
_setmode
abort
atexit
calloc
free
fwrite
malloc
mbstowcs
memcpy
memset
realloc
setlocale
signal
strcoll
strlen
system
tolower
vfprintf
wcstombs
user32
CreateWindowExA
DefWindowProcA
DispatchMessageA
GetMessageA
LoadCursorA
LoadIconA
MessageBoxA
PostQuitMessage
RegisterClassExA
TranslateMessage
libgcc_s_dw2-1
_Unwind_Resume
__deregister_frame_info
__register_frame_info
libstdc++-6
_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv
_ZNSaIcEC1Ev
_ZNSaIcED1Ev
_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_
_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1EOS4_
_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1EPKcRKS3_
_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1ERKS4_
_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED1Ev
__gxx_personality_v0
Sections
.text Size: 404KB - Virtual size: 404KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 49KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 25KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
/4 Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 112B
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: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
/14 Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/29 Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/41 Size: 512B - Virtual size: 303B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/55 Size: 512B - Virtual size: 456B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/67 Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ