taskeng[.]exe[.]7z

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General

Target

taskeng.exe.7z
Size

147KB
MD5

341c2bc803ee7b27fdc3d302ecccb1a6
SHA1

7b8edba95e6fd6d6581d1064ebfe7206ff2aa77f
SHA256

3b9c2f7424dc457a36d565eaab532273fe28ccbf333ee49a72fb489916ae4cda
SHA512

3598fcf71b6051b7978165a0160d90d82fb72a843850bc83e6733523ed7c2bf3eef13b1c2a3368709108167a71b0eda4674f9fa2faec16cddc6351254489621c
SSDEEP

3072:vDgh6Oa8HZZ8TxP8mfiOQlwI8RyUn+RiBiTYFPPgN8SBn:bgh638H8TxPmOQmI8RJ+R4FXS

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/taskeng.exe

Files

taskeng.exe.7z
.7z

Password: infected
taskeng.exe
.exe windows x64

Password: infected

956c5a526197b5628a61fa4b7114a739

Headers

DLL Characteristics

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

user32

LoadStringW
ShutdownBlockReasonCreate
DefWindowProcW
RegisterClassW
CreateWindowExW
ShowWindow
UpdateWindow
MsgWaitForMultipleObjects
DestroyWindow
PeekMessageW
TranslateMessage
DispatchMessageW
UnregisterClassW
SetCursor
GetThreadDesktop
LoadCursorW
GetProcessWindowStation
PostQuitMessage
AllowSetForegroundWindow
GetUserObjectInformationW
EnableWindow
GetMonitorInfoW
EnumWindows
IsWindow
GetWindowThreadProcessId
PostMessageW
MessageBoxW
EnumThreadWindows

msvcrt

?terminate@@YAXXZ
??1type_info@@UEAA@XZ
_onexit
_lock
__dllonexit
_unlock
__set_app_type
_fmode
_commode
__setusermatherr
_amsg_exit
_initterm
_wcmdln
exit
_cexit
_exit
_vsnwprintf
iswdigit
_wtol
_wcsicmp
malloc
free
fflush
fopen_s
fclose
calloc
_wcsnicmp
_wsplitpath_s
wcsrchr
srand
_wtoi
_ltow_s
wcscat_s
memcpy_s
??0exception@@QEAA@AEBV0@@Z
_purecall
_XcptFilter
__C_specific_handler
__wgetmainargs
__CxxFrameHandler3
_CxxThrowException
wcsncmp
memcmp
memset
rand_s
fputws
memcpy
wcschr
??0exception@@QEAA@XZ
memmove_s
??0exception@@QEAA@AEBQEBD@Z
??1exception@@UEAA@XZ
?what@exception@@UEBAPEBDXZ

ntdll

RtlLookupFunctionEntry
RtlVirtualUnwind
EtwUnregisterTraceGuids
EtwRegisterTraceGuidsW
RtlNtStatusToDosError
EtwEventEnabled
EtwTraceMessage
EtwGetTraceLoggerHandle
EtwGetTraceEnableLevel
EtwGetTraceEnableFlags
EtwEventActivityIdControl
EtwEventRegister
EtwEventUnregister
RtlCaptureContext
EtwEventWriteTransfer
EtwEventWrite
NtSetInformationProcess

api-ms-win-core-debug-l1-1-0

IsDebuggerPresent
OutputDebugStringA

api-ms-win-core-errorhandling-l1-1-0

GetLastError
SetUnhandledExceptionFilter
SetLastError
UnhandledExceptionFilter

api-ms-win-core-file-l1-1-0

CreateDirectoryW
CompareFileTime
FileTimeToLocalFileTime
GetFileAttributesW
LocalFileTimeToFileTime
GetFileSizeEx
FileTimeToSystemTime
DeleteFileW
ReadFile
CreateFileW

api-ms-win-core-handle-l1-1-0

CloseHandle
DuplicateHandle

api-ms-win-core-heap-l1-1-0

HeapSetInformation
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
HeapCreate
GetProcessHeap

api-ms-win-core-libraryloader-l1-1-0

LoadLibraryExA
GetProcAddress
FreeLibrary
GetModuleHandleW
LoadLibraryExW

api-ms-win-core-misc-l1-1-0

Sleep
lstrlenW
LocalFree

api-ms-win-core-processenvironment-l1-1-0

SearchPathW
ExpandEnvironmentStringsW

api-ms-win-core-processthreads-l1-1-0

ResumeThread
GetExitCodeProcess
CreateProcessW
OpenProcessToken
CreateThread
GetCurrentProcess
TerminateProcess
GetCurrentProcessId
GetThreadPriority
SetProcessShutdownParameters
SetThreadPriority
GetCurrentThread
GetCurrentThreadId
GetStartupInfoW
OpenThreadToken

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-synch-l1-1-0

SetWaitableTimer
DeleteCriticalSection
LeaveCriticalSection
CancelWaitableTimer
SetEvent
InitializeCriticalSection
WaitForSingleObject
EnterCriticalSection
ResetEvent
OpenProcess
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
CreateEventW

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime
GetDynamicTimeZoneInformation
SystemTimeToTzSpecificLocalTime
TzSpecificLocalTimeToSystemTime
GetTimeZoneInformation
GetTickCount
SystemTimeToFileTime

api-ms-win-core-threadpool-l1-1-0

ChangeTimerQueueTimer
DeleteTimerQueueTimer
CreateTimerQueueTimer

api-ms-win-security-base-l1-1-0

GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorSacl
CheckTokenMembership
CreateWellKnownSid
GetLengthSid
EqualSid
CopySid
GetTokenInformation
IsWellKnownSid
GetSidSubAuthority
SetSecurityDescriptorGroup
GetAclInformation
GetSecurityDescriptorControl
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
MakeAbsoluteSD
InitializeAcl
SetSecurityDescriptorOwner
GetSecurityDescriptorOwner
IsValidSid
GetSidLengthRequired
InitializeSid
AddAce

ole32

CreateStreamOnHGlobal
CoInitializeEx
CoMarshalInterface
CoDisconnectObject
CoImpersonateClient
CoRevertToSelf
StringFromCLSID
CoTaskMemFree
CLSIDFromString
CoFreeUnusedLibraries
StringFromGUID2
CoCreateInstance
CoInitializeSecurity
CoEnableCallCancellation
CoCancelCall
CoDisableCallCancellation
CoCreateGuid
IIDFromString
CoUninitialize

oleaut32

VariantClear
SysStringLen
SysAllocString
SysFreeString
SysAllocStringLen
SysStringByteLen
SysAllocStringByteLen
SysReAllocString

rpcrt4

RpcAsyncInitializeHandle
I_RpcExceptionFilter
RpcBindingFree
RpcBindingSetAuthInfoExW
RpcAsyncCompleteCall
Ndr64AsyncClientCall
RpcBindingFromStringBindingW
RpcAsyncCancelCall
UuidToStringW
RpcStringFreeW
RpcRevertToSelf
RpcImpersonateClient
RpcStringBindingComposeW

kernel32

DeleteAtom
CreateWaitableTimerW
WaitForMultipleObjects
DelayLoadFailureHook
GetComputerNameW
UnregisterWait
RegisterWaitForSingleObject
DeleteFileTransactedW
DebugBreak
InitializeCriticalSectionAndSpinCount
LocalAlloc
GetCurrentDirectoryW

ktmw32

CreateTransaction
CommitTransaction
RollbackTransaction

wevtapi

EvtClose

Sections

.text
Size: 290KB - Virtual size: 289KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 88KB - Virtual size: 87KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 50KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: infected

Password: infected

956c5a526197b5628a61fa4b7114a739

Headers

DLL Characteristics

File Characteristics

Imports

user32

msvcrt

ntdll

api-ms-win-core-debug-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-file-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-heap-l1-1-0

api-ms-win-core-libraryloader-l1-1-0

api-ms-win-core-misc-l1-1-0

api-ms-win-core-processenvironment-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-synch-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-threadpool-l1-1-0

api-ms-win-security-base-l1-1-0

ole32

oleaut32

rpcrt4

kernel32

ktmw32

wevtapi

Sections

.text Size: 290KB - Virtual size: 289KB

.rdata Size: 88KB - Virtual size: 87KB

.data Size: 50KB - Virtual size: 50KB

.pdata Size: 20KB - Virtual size: 19KB

.rsrc Size: 2KB - Virtual size: 1KB

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

.text
Size: 290KB - Virtual size: 289KB

.rdata
Size: 88KB - Virtual size: 87KB

.data
Size: 50KB - Virtual size: 50KB

.pdata
Size: 20KB - Virtual size: 19KB

.rsrc
Size: 2KB - Virtual size: 1KB

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