blob_runner_guloader.zip
- SHA256 ca6ef379c8e7a90ae41237380f85229a04c97fa3814f93aba5ac6649cbb88eb7
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
blobrunner.exe
Resource
win7-20240704-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
blobrunner.exe
Resource
win7-20240705-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral3
Sample
blobrunner.exe
Resource
win10-20240611-en
windows10-1703-x64
4 signatures
150 seconds
Behavioral task
behavioral4
Sample
blobrunner.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
4 signatures
150 seconds
Behavioral task
behavioral5
Sample
blobrunner.exe
Resource
win11-20240802-en
windows11-21h2-x64
4 signatures
150 seconds
General
- Target blob_runner_guloader.zip
- Size 368KB
- Sample240820-fdextstfnh
- SHA256 ca6ef379c8e7a90ae41237380f85229a04c97fa3814f93aba5ac6649cbb88eb7
- MD5 89f973534e87dba8d22f66f0d1b817ec
- SHA1 e80ad7d2320c66e9ecf6e6393547f66d68ea0ea5
- SHA512 383a679e362a419973546aa62eb9f8b16e1c8a029ba120b4ba0d838003f3640041ce93b78ea25f3cfcb8f726a9f79bf6b4c70be9911cd724a6c762b7812bc2e2
- SSDEEP 6144:T/ZC4iVtB/uzh0zKfd5C5HJ8opBeSjkokgzUGWybgWvTj/mQHSWbvkReWTUML:T/ZC4Wv/uzyzcSp9p8EkokPibHeOSCVY
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/blobrunner.exe
File Explorer
-
blob_runner_guloader.zip.zip 368KB
-
MEM_127F19D0_0005ABD8_xor_with_53b46f72_GuLoader.mem362KB
-
blobrunner.exe.exe 118KB
MEM_127F19D0_0005ABD8_xor_with_53b46f72_GuLoader.mem
- SHA256 416f3c5be6d15a75e5a84ab6764c52e21ae715f672bd208ef7344be174bb6eb7
- MD5 bb257b3b936cdd1cf7f9bd0d54c552a3
- SHA1 37ca9b276de7a46f505f34d768b477d55b2bbfe0
- SHA512 3b99d33e732673801ab8848467562e1d90e1dd6f321e9423628bfd90d56990564892104776fd6c441cc79f235fa83391c111507d32aaa1d924fa1b646493b15b
- SSDEEP 6144:b8UGLgytGGfH9dB+PWJPWf+XPISkzBqEx0sMMzyoZUegmVh+BvUKo9/sgT:b8UWgy/H9GJ+XPISwIEOYzyoZhgmVh+K
- MD5 SHA1 SHA512 SSDEEP
blobrunner.exe
- IMPHASH 3c9aea6ac447f58311fa4014e3f364ad
- SHA256 25ce2132ea5ead4115ec4ccdd3fb2835c7cde1d93883f35de5e75cf2bf56970e
- MD5 a9bc355e27c126e99b8482a0847668e3
- SHA1 4b1ab851488aa47343c1557fd168769499ad98bf
- SHA512 8b045395682054a6c0aa281d2171f87d684e1ef6b6fbb4ceda891f2e55679835c21698d59ece54f83ce9398d030d960a7274c82447daec060a5ce1956f997fad
- SSDEEP 3072:G+yj25BFCOxoGQEYvUbKS4Lo5/HR+jJ9IjTyBE6B3Yrd7WLvDez:pdP3xo6Y2KSDRFTyCmjqz
- MD5 SHA1 SHA512 SSDEEP
-
Unsigned PE
Checks for missing Authenticode signature.
Minor OS version
0
Major OS version
6
Entry point
6034
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_CUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
PDB paths
kernel32
VirtualAlloc
VirtualProtect
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
WriteConsoleW
RtlUnwind
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RaiseException
ReadFile
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetFileType
CloseHandle
GetConsoleMode
ReadConsoleW
SetFilePointerEx
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
GetFileAttributesExW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
GetProcessHeap
FlushFileBuffers
GetConsoleCP
CreateFileW
GetFileSizeEx
HeapSize
HeapReAlloc
SetEndOfFile
DecodePointer
Name
.text
Size
83KB
Virtual Size
82KB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.rdata
Size
25KB
Virtual Size
25KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.data
Size
4KB
Virtual Size
6KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.reloc
Size
4KB
Virtual Size
4KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
generic
count=11, id=259, version=26715,
count=158, id=261, version=26715,
count=18, id=260, version=26715,
count=3, id=257, version=26715,
count=87, id=1, productName=Unmarked objects,
count=37, id=261, version=26504,
count=18, id=260, version=26504,
count=18, id=259, version=26504,
count=1, id=260, productName=VS2019 v16.2.3 build 27905, version=27905,
count=1, id=258, productName=VS2019 v16.2.3 build 27905, version=27905,