vt[.]rar | Triage

Sharing

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General

Target

vt.rar
Size

21.0MB
MD5

7944856b720c130e998d264194ed35e3
SHA1

604b78c490470e4ac16ba210593df8966acb5612
SHA256

d2f08913074125a17c9932e4ae22d911070c3c7479884d327aa2f3fec5d07f75
SHA512

3c5360ca065a3bc158d04d0cca0091f82fb82da03cdfe7114181a4e4ae65546b4bedb04dfcc4dbc0ae8f3e44e65c275cc3ef7fc30b16fa503e40b044a7c3cb0f
SSDEEP

393216:xdHHykytF2pe1sLUvZbBGOW8H64Lug27SKb4JzZeM647XbG6CLhFnN/bJS7GIBdM:/bG6FsZbwB8X/WkJTZjbAXVbJhIUj

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/vt/vt client.exe

Files

vt.rar
.rar
vt/D3DX11_43.DLL
.dll windows:6 windows x64 arch:x64

81904c72645caa23fce37aa3b4a853e1

Code Sign

2e:ab:11:dc:50:ff:5c:9d:cb:c0
Certificate

Issuer

CN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation

Not Before

22/08/2007, 22:31

Not After

25/08/2012, 07:00

Subject

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:01:cf:3e:00:00:00:00:00:0f
Certificate

Issuer

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

07/12/2009, 22:40

Not After

07/03/2011, 22:40

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

6a:0b:99:4f:c0:00:25:ab:11:db:45:1f:58:7a:67:a2
Certificate

Issuer

CN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation

Not Before

16/09/2006, 01:04

Not After

15/09/2019, 07:00

Subject

CN=Microsoft Timestamping PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:05:a2:30:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Timestamping PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

25/07/2008, 19:01

Not After

25/07/2013, 19:11

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:85D3-305C-5BCF,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

b5:cd:09:1e:d2:7a:05:6b:2d:c3:9a:f5:b4:47:2d:e4:b0:e1:5e:4a
Signer

Actual PE Digest

b5:cd:09:1e:d2:7a:05:6b:2d:c3:9a:f5:b4:47:2d:e4:b0:e1:5e:4a

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

d3dx11_43.pdb

Imports

msvcrt

??1type_info@@UEAA@XZ
?terminate@@YAXXZ
_onexit
_lock
__dllonexit
_unlock
memmove
memset
memcpy
__C_specific_handler
_amsg_exit
_initterm
_XcptFilter
_callnewh
malloc
_CxxThrowException
free
??0exception@@QEAA@AEBV0@@Z
??1exception@@UEAA@XZ
?what@exception@@UEBAPEBDXZ
??0exception@@QEAA@AEBQEBDH@Z
_isnan
_controlfp
_purecall
_vsnwprintf
sqrtf
__CxxFrameHandler
floorf

kernel32

WideCharToMultiByte
WriteFile
FindResourceA
FindResourceW
SizeofResource
LockResource
SetUnhandledExceptionFilter
UnhandledExceptionFilter
TerminateProcess
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
OutputDebugStringA
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
CreateFileA
DebugBreak
ReleaseMutex
ReleaseSemaphore
WaitForSingleObject
CreateMutexA
CreateSemaphoreA
WaitForMultipleObjects
CreateThread
GetCurrentProcess
GetProcessAffinityMask
GetLastError
MultiByteToWideChar
GetFullPathNameW
CreateFileW
GetFileSizeEx
ReadFile
CloseHandle
FreeLibrary
GetProcAddress
LoadLibraryA
GetModuleHandleA
Sleep
VirtualProtect
DisableThreadLibraryCalls
LoadResource

ole32

CreateStreamOnHGlobal

gdi32

DeleteObject

Exports

Exports

D3DX11CheckVersion
D3DX11CompileFromFileA
D3DX11CompileFromFileW
D3DX11CompileFromMemory
D3DX11CompileFromResourceA
D3DX11CompileFromResourceW
D3DX11ComputeNormalMap
D3DX11CreateAsyncCompilerProcessor
D3DX11CreateAsyncFileLoaderA
D3DX11CreateAsyncFileLoaderW
D3DX11CreateAsyncMemoryLoader
D3DX11CreateAsyncResourceLoaderA
D3DX11CreateAsyncResourceLoaderW
D3DX11CreateAsyncShaderPreprocessProcessor
D3DX11CreateAsyncShaderResourceViewProcessor
D3DX11CreateAsyncTextureInfoProcessor
D3DX11CreateAsyncTextureProcessor
D3DX11CreateShaderResourceViewFromFileA
D3DX11CreateShaderResourceViewFromFileW
D3DX11CreateShaderResourceViewFromMemory
D3DX11CreateShaderResourceViewFromResourceA
D3DX11CreateShaderResourceViewFromResourceW
D3DX11CreateTextureFromFileA
D3DX11CreateTextureFromFileW
D3DX11CreateTextureFromMemory
D3DX11CreateTextureFromResourceA
D3DX11CreateTextureFromResourceW
D3DX11CreateThreadPump
D3DX11FilterTexture
D3DX11GetImageInfoFromFileA
D3DX11GetImageInfoFromFileW
D3DX11GetImageInfoFromMemory
D3DX11GetImageInfoFromResourceA
D3DX11GetImageInfoFromResourceW
D3DX11LoadTextureFromTexture
D3DX11PreprocessShaderFromFileA
D3DX11PreprocessShaderFromFileW
D3DX11PreprocessShaderFromMemory
D3DX11PreprocessShaderFromResourceA
D3DX11PreprocessShaderFromResourceW
D3DX11SHProjectCubeMap
D3DX11SaveTextureToFileA
D3DX11SaveTextureToFileW
D3DX11SaveTextureToMemory

Sections

.text
Size: 236KB - Virtual size: 236KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 17KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 936B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
vt/vt client.exe
.exe windows:6 windows x64 arch:x64

cd40cd98b17ec21e27b181f76d7829d0

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

advapi32

RegOpenKeyExW

kernel32

GetModuleHandleA

shell32

SHGetDiskFreeSpaceExW

user32

GetMenu

Sections

Size: - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Size: - Virtual size: 10.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: - Virtual size: 9.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 106KB - Virtual size: 106KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

81904c72645caa23fce37aa3b4a853e1

Code Sign

2e:ab:11:dc:50:ff:5c:9d:cb:c0Certificate

Extended Key Usages

Key Usages

61:01:cf:3e:00:00:00:00:00:0fCertificate

Extended Key Usages

Key Usages

6a:0b:99:4f:c0:00:25:ab:11:db:45:1f:58:7a:67:a2Certificate

Extended Key Usages

Key Usages

61:05:a2:30:00:00:00:00:00:08Certificate

Extended Key Usages

Key Usages

b5:cd:09:1e:d2:7a:05:6b:2d:c3:9a:f5:b4:47:2d:e4:b0:e1:5e:4aSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

kernel32

ole32

gdi32

Exports

Exports

Sections

.text Size: 236KB - Virtual size: 236KB

.data Size: 17KB - Virtual size: 18KB

.pdata Size: 5KB - Virtual size: 5KB

.rsrc Size: 1024B - Virtual size: 936B

.reloc Size: 3KB - Virtual size: 3KB

cd40cd98b17ec21e27b181f76d7829d0

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

shell32

user32

Sections

Size: - Virtual size: 1.1MB

Size: - Virtual size: 10.2MB

Size: - Virtual size: 9.4MB

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

Size: 106KB - Virtual size: 106KB

2e:ab:11:dc:50:ff:5c:9d:cb:c0
Certificate

61:01:cf:3e:00:00:00:00:00:0f
Certificate

6a:0b:99:4f:c0:00:25:ab:11:db:45:1f:58:7a:67:a2
Certificate

61:05:a2:30:00:00:00:00:00:08
Certificate

b5:cd:09:1e:d2:7a:05:6b:2d:c3:9a:f5:b4:47:2d:e4:b0:e1:5e:4a
Signer

.text
Size: 236KB - Virtual size: 236KB

.data
Size: 17KB - Virtual size: 18KB

.pdata
Size: 5KB - Virtual size: 5KB

.rsrc
Size: 1024B - Virtual size: 936B

.reloc
Size: 3KB - Virtual size: 3KB

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