Overview
overview
10Static
static
10Bullet/grabber.py
windows7-x64
3Bullet/grabber.py
windows10-2004-x64
3Bullet/main.py
windows7-x64
3Bullet/main.py
windows10-2004-x64
3Bullet/start.bat
windows7-x64
7Bullet/start.bat
windows10-2004-x64
7Bullet/uti...ter.py
windows7-x64
3Bullet/uti...ter.py
windows10-2004-x64
3Bullet/uti...yer.py
windows7-x64
3Bullet/uti...yer.py
windows10-2004-x64
3Bullet/util/lookup.py
windows7-x64
3Bullet/util/lookup.py
windows10-2004-x64
3Bullet/util/req.exe
windows7-x64
7Bullet/util/req.exe
windows10-2004-x64
7Bullet/util/snuker.py
windows7-x64
3Bullet/util/snuker.py
windows10-2004-x64
3Bullet/util/spam.py
windows7-x64
3Bullet/util/spam.py
windows10-2004-x64
3Behavioral task
behavioral1
Sample
Bullet/grabber.py
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Bullet/grabber.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
Bullet/main.py
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
Bullet/main.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
Bullet/start.bat
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
Bullet/start.bat
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
Bullet/util/deleter.py
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
Bullet/util/deleter.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
Bullet/util/destroyer.py
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
Bullet/util/destroyer.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
Bullet/util/lookup.py
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
Bullet/util/lookup.py
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
Bullet/util/req.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
Bullet/util/req.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
Bullet/util/snuker.py
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
Bullet/util/snuker.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
Bullet/util/spam.py
Resource
win7-20231129-en
Behavioral task
behavioral18
Sample
Bullet/util/spam.py
Resource
win10v2004-20231222-en
General
-
Target
Bullet_0.5.2.zip
-
Size
5.8MB
-
MD5
d7f0b1d8277510a477d208daf51182d5
-
SHA1
d7e1435145536284c544aabb43018c33d3026d73
-
SHA256
b6b5f9ecdff9cf0eb00514778c7c636ebbccf553dd63702669a2e15b2d593dc3
-
SHA512
5f32c65a46b635f93a509736e0222f245cf3290ae7e5e35177b215920b108ed78982ae30f1784dfece95ad26c0c4c5d580163f6c2b14b425b1b0cd68c3ef61c3
-
SSDEEP
98304:YIXUJdFB16QucHrb7eOKaTcxHJNCDtr9LBAPff4CdM2MszWuYyvmLC6pe9Tz:yFH7eSQ/NIAffnlMsquYyvmG60
Malware Config
Signatures
-
A stealer written in Python and packaged with Pyinstaller 1 IoCs
resource yara_rule static1/unpack002/��ec��.pyc blankgrabber -
Blankgrabber family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Bullet/util/req.exe
Files
-
Bullet_0.5.2.zip.zip
-
Bullet/grabber.py
-
Bullet/main.py
-
Bullet/requirements.txt
-
Bullet/start.bat
-
Bullet/util/deleter.py
-
Bullet/util/destroyer.py
-
Bullet/util/lookup.py
-
Bullet/util/req.exe.exe windows:5 windows x64 arch:x64
1af6c885af093afc55142c2f1761dbe8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
user32
CreateWindowExW
MessageBoxW
MessageBoxA
SystemParametersInfoW
DestroyIcon
SetWindowLongPtrW
GetWindowLongPtrW
GetClientRect
InvalidateRect
ReleaseDC
GetDC
DrawTextW
GetDialogBaseUnits
EndDialog
DialogBoxIndirectParamW
MoveWindow
SendMessageW
comctl32
ord380
kernel32
IsValidCodePage
GetStringTypeW
GetFileAttributesExW
HeapReAlloc
FlushFileBuffers
GetCurrentDirectoryW
GetACP
GetOEMCP
GetModuleHandleW
MulDiv
GetLastError
SetDllDirectoryW
GetModuleFileNameW
CreateSymbolicLinkW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
GetCPInfo
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LoadLibraryExW
SetConsoleCtrlHandler
FindClose
FindFirstFileExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
WriteConsoleW
SetEndOfFile
SetEnvironmentVariableW
RtlUnwindEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
RtlPcToFileHeader
GetCommandLineA
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
RemoveDirectoryW
FindNextFileW
SetStdHandle
DeleteFileW
ReadFile
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
advapi32
OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW
gdi32
SelectObject
DeleteObject
CreateFontIndirectW
Sections
.text Size: 167KB - Virtual size: 167KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 75KB - Virtual size: 74KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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��ec��.pyc
-
Bullet/util/snuker.py
-
Bullet/util/spam.py