skuld | skuld[.]exe

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General

Target

skuld.exe
Size

14.2MB
MD5

3eb420ceca33cebdf59e96abd6ba75a3
SHA1

fbd442d69323445e9ecedbe820c61fbac7fdb287
SHA256

774c71f4e65a17cc744e906660435598f9b62dfdd599e9babbed3dd9dea32e53
SHA512

06047f5492f785bb672c6059ef2b0f31855a63d4e91a41c9e8178d4958c5e50825433a4f8cd87e1aaf4be56492d9f86eccdbe9cf9ed3929621005636f591ee69
SSDEEP

196608:5ADrfDmwoUoG3n5OJG1Nf0k7Ma/rkFlgdTaUrPPbdf5:5A3faw+JG1KkSFCdTauZR

Score

10^/10

skuld

Malware Config

Signatures

Skuld family
skuld
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

skuld.exe

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

/4
Size: 512B - Virtual size: 297B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 891KB - Virtual size: 890KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/32
Size: 166KB - Virtual size: 165KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/46
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/65
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/78
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/90
Size: 318KB - Virtual size: 317KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
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: 682KB - Virtual size: 682KB

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

/4 Size: 512B - Virtual size: 297B

/19 Size: 891KB - Virtual size: 890KB

/32 Size: 166KB - Virtual size: 165KB

/46 Size: 512B - Virtual size: 48B

/65 Size: 1.7MB - Virtual size: 1.7MB

/78 Size: 1.0MB - Virtual size: 1.0MB

/90 Size: 318KB - Virtual size: 317KB

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

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

.symtab Size: 682KB - Virtual size: 682KB

.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

/4
Size: 512B - Virtual size: 297B

/19
Size: 891KB - Virtual size: 890KB

/32
Size: 166KB - Virtual size: 165KB

/46
Size: 512B - Virtual size: 48B

/65
Size: 1.7MB - Virtual size: 1.7MB

/78
Size: 1.0MB - Virtual size: 1.0MB

/90
Size: 318KB - Virtual size: 317KB

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

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

.symtab
Size: 682KB - Virtual size: 682KB