avgBoot[.]exe | Triage

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General

Target

avgBoot.exe
Size

306KB
MD5

2c31a4dee6788528b0438461c4d8c736
SHA1

5629c20163a24dbc4936a4301780fc04dde160cd
SHA256

71f85be19ab0cd2df881ce9a42a70c7fae4684292572dc10e0087ab3d67050fa
SHA512

809a9d6908340653f1911bc04990bbe5613e0b6d8903e7b0392dfbae8d5e0753fd9c4c576ae2e848d370b73d3cf6e0e0d035f8c4c6e2e048a30e765aad263a61
SSDEEP

6144:NqCPYrWuMLbHACldLh0WN1MuJCOjNFvO0lVsmMXKuKJzZMy2Njc3VYOAGUj8Y2BH:9uMLbHACldLRd3rqQtAGUj8Y2BN

Score

1^/10

Malware Config

Signatures

Files

avgBoot.exe
.sys windows:6 windows x64 arch:x64

3c015bd37143512817bc35fd81c212a8

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

04:35:60:3f:7a:88:8a:e1:6c:05:b0:0f:15:3c:c6:fc
Certificate

Issuer

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

Not Before

16/09/2022, 00:00

Not After

17/09/2025, 23:59

Subject

CN=AVG Technologies USA\, LLC,O=AVG Technologies USA\, LLC,L=Redwood City,ST=California,C=US

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

c6:28:18:78:a5:ba:21:3c:a6:77:fd:01:e0:28:a2:4d:0b:42:37:bd:cd:f5:4f:fa:26:32:bb:5e:ac:22:54:08
Signer

Actual PE Digest

c6:28:18:78:a5:ba:21:3c:a6:77:fd:01:e0:28:a2:4d:0b:42:37:bd:cd:f5:4f:fa:26:32:bb:5e:ac:22:54:08

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\BUILD\work\e0dd96435fde7cb0\BUILDS\Release\x64\aswBootLdr.pdb

Imports

ntdll

__C_specific_handler
wcschr
_wcsnicmp
NtSetInformationProcess
memcpy
wcsrchr
wcstoul
_wcsicmp
_snwprintf
strtoul
RtlCreateHeap
RtlAllocateHeap
RtlReAllocateHeap
RtlFreeHeap
NtTerminateProcess
_strnicmp
_wcstoui64
NtQuerySystemTime
_ui64toa
RtlEnterCriticalSection
RtlLeaveCriticalSection
RtlInitializeCriticalSection
RtlDeleteCriticalSection
RtlRaiseException
NtQuerySystemInformation
NtQueryPerformanceCounter
RtlUnwindEx
memmove
RtlPcToFileHeader
RtlVirtualUnwind
wcsncmp
wcsstr
NtDeviceIoControlFile
NtClose
RtlInitUnicodeString
NtCreateFile
NtFsControlFile
NtWaitForSingleObject
NtQueryInformationFile
NtSetInformationFile
NtOpenFile
NtReadFile
NtDelayExecution
wcsncpy
NtCreateSection
NtMapViewOfSection
NtUnmapViewOfSection
NtDuplicateObject
NtQueryAttributesFile
NtQueryInformationProcess
NtGetTickCount
RtlExpandEnvironmentStrings_U
LdrFindEntryForAddress
LdrLoadDll
LdrGetDllHandle
RtlInitAnsiString
LdrGetProcedureAddress
LdrUnloadDll
NtOpenKey
NtQueryValueKey
NtCreateKey
RtlAnsiStringToUnicodeString
RtlMultiByteToUnicodeSize
RtlMultiByteToUnicodeN
RtlQueryEnvironmentVariable_U
strncpy
NtCreateDirectoryObject
RtlInitializeCriticalSectionEx
NtFreeVirtualMemory
NtAllocateVirtualMemory
RtlCreateSecurityDescriptor
RtlSetDaclSecurityDescriptor
qsort
_snprintf
__chkstk
memchr
memcmp
memset

Sections

.text
Size: 188KB - Virtual size: 187KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 96KB - Virtual size: 95KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1000B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3c015bd37143512817bc35fd81c212a8

Code Sign

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

Extended Key Usages

Key Usages

04:35:60:3f:7a:88:8a:e1:6c:05:b0:0f:15:3c:c6:fcCertificate

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

c6:28:18:78:a5:ba:21:3c:a6:77:fd:01:e0:28:a2:4d:0b:42:37:bd:cd:f5:4f:fa:26:32:bb:5e:ac:22:54:08Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

ntdll

Sections

.text Size: 188KB - Virtual size: 187KB

.rdata Size: 96KB - Virtual size: 95KB

.data Size: 512B - Virtual size: 8KB

.pdata Size: 7KB - Virtual size: 7KB

.rsrc Size: 1024B - Virtual size: 1000B

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

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

04:35:60:3f:7a:88:8a:e1:6c:05:b0:0f:15:3c:c6:fc
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

c6:28:18:78:a5:ba:21:3c:a6:77:fd:01:e0:28:a2:4d:0b:42:37:bd:cd:f5:4f:fa:26:32:bb:5e:ac:22:54:08
Signer

.text
Size: 188KB - Virtual size: 187KB

.rdata
Size: 96KB - Virtual size: 95KB

.data
Size: 512B - Virtual size: 8KB

.pdata
Size: 7KB - Virtual size: 7KB

.rsrc
Size: 1024B - Virtual size: 1000B

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