vgk[.]sys | Triage

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General

Target

vgk.sys
Size

20.4MB
MD5

a244f55b29f27a4a425fb5fe1d42fdbc
SHA1

9858491b6a65bc0a37f8d7ee2264b8791cdcfdc5
SHA256

8e07c1a36e803a8eed0c825fd4507bbff7a85bfbe23f3665a67c71eb5de01c02
SHA512

2e3bd8788b91711cf9b896003be9345931dbb84759f3dc211660c0d4e39f2179b8432191053162d49d69a80fb88d9645bf20c9a8f6e005e3245c9cfe5619ff3c
SSDEEP

196608:L4te2ui33Lse+qrn5zk5ei5KAAvZuI+yJvtCQXco8:q3uubsGz5yKBQIxJpw

Score

1^/10

Malware Config

Signatures

Files

vgk.sys
.sys windows:10 windows x64 arch:x64

e6c3c80afc998fca4ec20c0de6557618

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:d1:d0:38:01:51:29:a4:3d:a0:ae:e2:11:85:9c:8e
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

02/12/2022, 00:00

Not After

03/12/2024, 23:59

Subject

SERIALNUMBER=4155843,CN=Riot Games\, Inc.,O=Riot Games\, Inc.,L=Los Angeles,ST=California,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:62:f4:5c:f9:9e:58:a9:6a:89:00:00:00:00:00:62
Certificate

Issuer

CN=Microsoft Windows Third Party Component CA 2014,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06/04/2023, 19:16

Not After

03/04/2024, 19:16

Subject

CN=Microsoft Windows Hardware Compatibility Publisher,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

33:00:00:00:0d:69:0d:5d:78:93:d0:76:df:00:00:00:00:00:0d
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/10/2014, 20:31

Not After

15/10/2029, 20:41

Subject

CN=Microsoft Windows Third Party Component CA 2014,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

dd:e2:d3:53:cf:44:4f:8f:3e:f9:77:f8:da:72:60:90:8e:68:69:9e:0d:e7:c4:30:f0:1d:c7:e6:81:82:72:ad
Signer

Actual PE Digest

dd:e2:d3:53:cf:44:4f:8f:3e:f9:77:f8:da:72:60:90:8e:68:69:9e:0d:e7:c4:30:f0:1d:c7:e6:81:82:72:ad

Digest Algorithm

sha256

PE Digest Matches

true

dd:e2:d3:53:cf:44:4f:8f:3e:f9:77:f8:da:72:60:90:8e:68:69:9e:0d:e7:c4:30:f0:1d:c7:e6:81:82:72:ad
Signer

Actual PE Digest

dd:e2:d3:53:cf:44:4f:8f:3e:f9:77:f8:da:72:60:90:8e:68:69:9e:0d:e7:c4:30:f0:1d:c7:e6:81:82:72:ad

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

ntoskrnl.exe

ZwClose
KeAcquireSpinLockAtDpcLevel
KeAcquireSpinLockRaiseToDpc
KeReleaseSpinLock
KeReleaseSpinLockFromDpcLevel
ExAllocatePoolWithTag
KeInitializeDpc
KeInitializeTimer
KeSetTimer
ExFreePoolWithTag
MmUnmapLockedPages
MmAllocatePagesForMdl
MmFreePagesFromMdl
IoFreeMdl
IoAllocateWorkItem
IoQueueWorkItem
IoInitializeWorkItem
RtlDuplicateUnicodeString
ObfDereferenceObject
KeBugCheckEx
KeLowerIrql
__C_specific_handler
KeIpiGenericCall
MmMapLockedPagesSpecifyCache
KeInitializeSpinLock
ProbeForRead
IoGetCurrentProcess
wcscpy_s
RtlInitUnicodeString
RtlTimeToTimeFields
KeAreAllApcsDisabled
ExSystemTimeToLocalTime
ZwWriteFile
IoCreateFileEx
ZwFlushBuffersFile
swprintf_s
vswprintf_s
_vsnwprintf
KeInitializeApc
KeInsertQueueApc
wcscat_s
ZwReadFile
ZwQuerySystemInformation
IoGetStackLimits
strchr
RtlPrefixUnicodeString
RtlMultiByteToUnicodeN
MmHighestUserAddress
ObReferenceObjectByHandle
IoFileObjectType
_stricmp
strnlen
KfRaiseIrql

cng.sys

BCryptCloseAlgorithmProvider
BCryptDestroyHash

Exports

Exports

Egg

Sections

.text
Size: 455KB - Virtual size: 456KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

_ENTROPY
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.NT
Size: 264KB - Virtual size: 264KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

INIT
Size: 2KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.stub0
Size: 413KB - Virtual size: 416KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 23KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Size: 19.0MB - Virtual size: 19.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e6c3c80afc998fca4ec20c0de6557618

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0c:d1:d0:38:01:51:29:a4:3d:a0:ae:e2:11:85:9c:8eCertificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

33:00:00:00:62:f4:5c:f9:9e:58:a9:6a:89:00:00:00:00:00:62Certificate

Extended Key Usages

33:00:00:00:0d:69:0d:5d:78:93:d0:76:df:00:00:00:00:00:0dCertificate

Key Usages

dd:e2:d3:53:cf:44:4f:8f:3e:f9:77:f8:da:72:60:90:8e:68:69:9e:0d:e7:c4:30:f0:1d:c7:e6:81:82:72:adSigner

dd:e2:d3:53:cf:44:4f:8f:3e:f9:77:f8:da:72:60:90:8e:68:69:9e:0d:e7:c4:30:f0:1d:c7:e6:81:82:72:adSigner

Headers

DLL Characteristics

File Characteristics

Imports

ntoskrnl.exe

cng.sys

Exports

Exports

Sections

.text Size: 455KB - Virtual size: 456KB

Size: 4KB - Virtual size: 4KB

_ENTROPY Size: 4KB - Virtual size: 4KB

.rdata Size: 36KB - Virtual size: 36KB

.data Size: 1024B - Virtual size: 24KB

.pdata Size: 8KB - Virtual size: 12KB

.NT Size: 264KB - Virtual size: 264KB

.edata Size: 512B - Virtual size: 4KB

INIT Size: 2KB - Virtual size: 4KB

.stub0 Size: 413KB - Virtual size: 416KB

.reloc Size: 512B - Virtual size: 4KB

.rsrc Size: 23KB - Virtual size: 24KB

Size: 19.0MB - Virtual size: 19.0MB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0c:d1:d0:38:01:51:29:a4:3d:a0:ae:e2:11:85:9c:8e
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

33:00:00:00:62:f4:5c:f9:9e:58:a9:6a:89:00:00:00:00:00:62
Certificate

33:00:00:00:0d:69:0d:5d:78:93:d0:76:df:00:00:00:00:00:0d
Certificate

dd:e2:d3:53:cf:44:4f:8f:3e:f9:77:f8:da:72:60:90:8e:68:69:9e:0d:e7:c4:30:f0:1d:c7:e6:81:82:72:ad
Signer

dd:e2:d3:53:cf:44:4f:8f:3e:f9:77:f8:da:72:60:90:8e:68:69:9e:0d:e7:c4:30:f0:1d:c7:e6:81:82:72:ad
Signer

.text
Size: 455KB - Virtual size: 456KB

_ENTROPY
Size: 4KB - Virtual size: 4KB

.rdata
Size: 36KB - Virtual size: 36KB

.data
Size: 1024B - Virtual size: 24KB

.pdata
Size: 8KB - Virtual size: 12KB

.NT
Size: 264KB - Virtual size: 264KB

.edata
Size: 512B - Virtual size: 4KB

INIT
Size: 2KB - Virtual size: 4KB

.stub0
Size: 413KB - Virtual size: 416KB

.reloc
Size: 512B - Virtual size: 4KB

.rsrc
Size: 23KB - Virtual size: 24KB