umbral | 6dd21975f4cab86ed7af322c38e9825971e13cc0b826e278f56d2e411ad4f6f8[.]zip

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General

Target

6dd21975f4cab86ed7af322c38e9825971e13cc0b826e278f56d2e411ad4f6f8.zip
Size

24.0MB
MD5

fc5cb01d39cb38b9bf1da53d28945583
SHA1

79d92fc9623258f81abbbccced99aec2db7711ba
SHA256

8c53fc138ab93483314185026bec3ddc9e41aeb22ca1025a08f5b55238836f4c
SHA512

032885957b09eab184e4e13f6110027a9e3ca8f7a2db52c654ca55f8f6df040e7439a39c9bf1b3ed05d03d0088d38acc7ae2be36fdc5432ef5283e05643983a3
SSDEEP

393216:Wc6gH2raByaZYflVeqRmbnjty96mqhj14WOrc62t91DFG55bgTYmGTnnTnRhNLiO:Wc6gTDCf5RkK6LlG2pY55bgTzsnTnncO

Score

10^/10

pyinstaller umbral nanocore

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
static1/unpack001/6dd21975f4cab86ed7af322c38e9825971e13cc0b826e278f56d2e411ad4f6f8.exe	family_umbral

Nanocore family
nanocore
Umbral family
umbral

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
static1/unpack001/6dd21975f4cab86ed7af322c38e9825971e13cc0b826e278f56d2e411ad4f6f8.exe	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/6dd21975f4cab86ed7af322c38e9825971e13cc0b826e278f56d2e411ad4f6f8.exe

Files

6dd21975f4cab86ed7af322c38e9825971e13cc0b826e278f56d2e411ad4f6f8.zip
.zip

Password: infected
6dd21975f4cab86ed7af322c38e9825971e13cc0b826e278f56d2e411ad4f6f8.exe
.exe windows x86

Password: infected

9222d372923baed7aa9dfa28449a94ea

Headers

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

Imports

kernel32

CreateFileA
FindResourceA
FreeLibrary
LoadResource
WriteFile
SizeofResource
GetProcAddress
LoadLibraryA
LockResource
EnumResourceNamesA
CloseHandle
FreeResource
GetWindowsDirectoryA
OutputDebugStringA
GetTempPathA
GetModuleHandleW
ExitProcess
DecodePointer
EncodePointer
GetCommandLineA
HeapSetInformation
GetStartupInfoW
RaiseException
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
GetLastError
HeapFree
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
LoadLibraryW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetStdHandle
GetModuleFileNameW
Sleep
HeapSize
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
HeapCreate
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
RtlUnwind
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
HeapReAlloc
LCMapStringW
MultiByteToWideChar
GetStringTypeW

shell32

ShellExecuteA
SHGetSpecialFolderPathA

Sections

.text
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 24.3MB - Virtual size: 24.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
logz.pyc

Sharing

General

Malware Config

Signatures

Files

Password: infected

Password: infected

9222d372923baed7aa9dfa28449a94ea

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shell32

Sections

.text Size: 30KB - Virtual size: 30KB

.rdata Size: 12KB - Virtual size: 12KB

.data Size: 3KB - Virtual size: 6KB

.rsrc Size: 24.3MB - Virtual size: 24.3MB

.reloc Size: 5KB - Virtual size: 4KB

.text
Size: 30KB - Virtual size: 30KB

.rdata
Size: 12KB - Virtual size: 12KB

.data
Size: 3KB - Virtual size: 6KB

.rsrc
Size: 24.3MB - Virtual size: 24.3MB

.reloc
Size: 5KB - Virtual size: 4KB