skuld[.]exe | Triage

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General

Target

skuld.exe
Size

9.5MB
MD5

4f249325a0f606af8f695f07fac203da
SHA1

33068d5218d9769d8f9b2516c5b74eef7ff2341d
SHA256

238630f53d4f94f5fd8644bcfcb863966c25f0795c156e72676742eb0bc6148d
SHA512

f70629e80af5cfd5e73203588131a849ccf9b802f8ee06453b646dd62f18818d4497e6393dab04554db2536cbd04e17c396e237e241f0b55ce0cad36a513ea92
SSDEEP

98304:yJ0A3hYgNumHEMVr90ch7tp0Eb6SF84v3X:dehYgPkE90chxpNb/v3X

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
skuld.exe

Files

skuld.exe
.exe windows:6 windows x64 arch:x64

c2d457ad8ac36fc9f18d45bffcd450c2

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
RtlVirtualUnwind
RtlLookupFunctionEntry
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
AddVectoredContinueHandler

Sections

.text
Size: 4.6MB - Virtual size: 4.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4.2MB - Virtual size: 4.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 463KB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 107KB - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 180B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 64KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 512B - Virtual size: 4B

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c2d457ad8ac36fc9f18d45bffcd450c2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 4.6MB - Virtual size: 4.6MB

.rdata Size: 4.2MB - Virtual size: 4.2MB

.data Size: 463KB - Virtual size: 1.0MB

.pdata Size: 107KB - Virtual size: 107KB

.xdata Size: 512B - Virtual size: 180B

.idata Size: 1KB - Virtual size: 1KB

.reloc Size: 64KB - Virtual size: 63KB

.symtab Size: 512B - Virtual size: 4B

.text
Size: 4.6MB - Virtual size: 4.6MB

.rdata
Size: 4.2MB - Virtual size: 4.2MB

.data
Size: 463KB - Virtual size: 1.0MB

.pdata
Size: 107KB - Virtual size: 107KB

.xdata
Size: 512B - Virtual size: 180B

.idata
Size: 1KB - Virtual size: 1KB

.reloc
Size: 64KB - Virtual size: 63KB

.symtab
Size: 512B - Virtual size: 4B