yoinker[.]exe | Triage

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General

Target

yoinker.exe
Size

22.0MB
MD5

21c2fe7a57f29e63cea85bb9df4e07e2
SHA1

a948770c0d1b76ec979360eb1b731b9268032645
SHA256

a2f34eb6e6c7ae5571cc75d49dc090dfdc95951b51788e3849b24cb9e2b841b5
SHA512

98a93f345459bf9c3b5aa8f0604066f3bab93960e83e2e0334764013deb60e584f60c5aa39e8a85d1e0df6c90a70b5fca69551f9dbf269c74de6f0e88a931d4c
SSDEEP

196608:oLOOlWIjSZWLEnif598Nzj/4Awo1UU1U1/yBuamY/RmkY3wrIU3ou6RWfwRnz7m8:oLnlX2nEw716VRz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
yoinker.exe

Files

yoinker.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: 7.4MB - Virtual size: 7.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 13.8MB - Virtual size: 13.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 461KB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 350KB - Virtual size: 349KB

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: 7.4MB - Virtual size: 7.4MB

.rdata Size: 13.8MB - Virtual size: 13.8MB

.data Size: 461KB - Virtual size: 1.0MB

.pdata Size: 350KB - Virtual size: 349KB

.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: 7.4MB - Virtual size: 7.4MB

.rdata
Size: 13.8MB - Virtual size: 13.8MB

.data
Size: 461KB - Virtual size: 1.0MB

.pdata
Size: 350KB - Virtual size: 349KB

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

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

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

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