simple[.]sys | Triage

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General

Target

simple.sys
Size

3.1MB
MD5

a572330ed141802d24710e2152995be3
SHA1

ddabf52aba0e84c48d009e2cfb6955bf0b92abeb
SHA256

1342ad4e99d000e27f3bcefe6ddc2c5baf094e405bd4d5a922608d174b343c30
SHA512

46142495521572cb52c47a7e21433dcd7a447e2218a9925add99676f25d26aea1daca343ff70d8abc138193e979ddad02e0aad2cc56d09e02d5d19d55081f12b
SSDEEP

49152:oBXiA6Qs3h8dMjOjjy1Zb2rljJALDzQsGNAojrSTLSzk3GSxVPEWgdeRmVAdfHkc:lA6Hg5uLDzdVwTMfEWSO2LpNgsC

Score

1^/10

Malware Config

Signatures

Files

simple.sys
.sys windows:10 windows x64 arch:x64

1048b84988c28309d4aef349434ee933

Code Sign

33:00:00:00:61:c8:8b:12:9c:2a:7f:1d:87:00:00:00:00:00:61
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

50:41:1c:47:c9:3c:0c:ac:3e:19:42:9b:85:45:c4:ae:2b:14:9c:e9:05:e3:1a:f7:07:c4:24:6b:38:c8:7b:36
Signer

Actual PE Digest

50:41:1c:47:c9:3c:0c:ac:3e:19:42:9b:85:45:c4:ae:2b:14:9c:e9:05:e3:1a:f7:07:c4:24:6b:38:c8:7b:36

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

ntoskrnl.exe

IoGetDeviceObjectPointer
ObfDereferenceObject
RtlRandomEx
IoEnumerateDeviceObjectList
ObReferenceObjectByName
_vsnwprintf
IoDriverObjectType
KeDelayExecutionThread
ExAllocatePoolWithTag
ExFreePoolWithTag
RtlInitUnicodeString
ZwClose
ZwOpenKey
ZwQueryValueKey
ZwSetValueKey
ZwQuerySystemInformation
ZwDeleteKey
ZwDeleteValueKey
ZwEnumerateKey
MmMapLockedPages
MmCopyMemory
swprintf
strstr
MmMapIoSpace
MmUnmapIoSpace
KeQueryTimeIncrement

hal

KeQueryPerformanceCounter

Sections

.text
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 792B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

INIT
Size: 1024B - Virtual size: 850B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.W*q
Size: 3.1MB - Virtual size: 3.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 756B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 252B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1048b84988c28309d4aef349434ee933

Code Sign

33:00:00:00:61:c8:8b:12:9c:2a:7f:1d:87:00:00:00:00:00:61Certificate

Extended Key Usages

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

Key Usages

50:41:1c:47:c9:3c:0c:ac:3e:19:42:9b:85:45:c4:ae:2b:14:9c:e9:05:e3:1a:f7:07:c4:24:6b:38:c8:7b:36Signer

Headers

DLL Characteristics

File Characteristics

Imports

ntoskrnl.exe

hal

Sections

.text Size: 17KB - Virtual size: 17KB

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

.data Size: 1024B - Virtual size: 12KB

.pdata Size: 1024B - Virtual size: 792B

INIT Size: 1024B - Virtual size: 850B

.W*q Size: 3.1MB - Virtual size: 3.1MB

.rsrc Size: 1024B - Virtual size: 756B

.reloc Size: 512B - Virtual size: 252B

33:00:00:00:61:c8:8b:12:9c:2a:7f:1d:87:00:00:00:00:00:61
Certificate

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

50:41:1c:47:c9:3c:0c:ac:3e:19:42:9b:85:45:c4:ae:2b:14:9c:e9:05:e3:1a:f7:07:c4:24:6b:38:c8:7b:36
Signer

.text
Size: 17KB - Virtual size: 17KB

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

.data
Size: 1024B - Virtual size: 12KB

.pdata
Size: 1024B - Virtual size: 792B

INIT
Size: 1024B - Virtual size: 850B

.W*q
Size: 3.1MB - Virtual size: 3.1MB

.rsrc
Size: 1024B - Virtual size: 756B

.reloc
Size: 512B - Virtual size: 252B