2024-08-29_fa7b5a42ea4143495a12e463f06a6592_avoslocker_cobalt-strike_hijackloader

Sharing

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General

Target

2024-08-29_fa7b5a42ea4143495a12e463f06a6592_avoslocker_cobalt-strike_hijackloader
Size

310KB
MD5

fa7b5a42ea4143495a12e463f06a6592
SHA1

17fec62e634da2f1934a59f62acdc88d546a3fb3
SHA256

54d0f3b5d4efb4672b225c46099eaaa9c50b754a05744063e5d308ba39d110d8
SHA512

7f6c5051a52d4e3ee6106010dd91a07d416cf0e214ea8905985cd8d7638ef1eb69fd9489d6cb43cec420855db18c33169e551b81c0fe0ce38c2193fdc1436c9f
SSDEEP

6144:rSgYi4EDW3Qa6b10JGSIVLMDvbRS4Gq3M4mF5sAOj/dxCx3mSFBZLM:rSbi4EcQa6b10JGSAYjbI/4OSdxQHFB2

Score

1^/10

Malware Config

Signatures

Files

2024-08-29_fa7b5a42ea4143495a12e463f06a6592_avoslocker_cobalt-strike_hijackloader
.exe windows:5 windows x86 arch:x86

0d7e6f9fa81515d8153395a2e77c0eb7

Code Sign

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

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

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

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

05:a8:1d:3b:96:27:0d:9a:1d:eb:07:cd:88:67:d0:a9
Certificate

Issuer

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

Not Before

14/10/2021, 00:00

Not After

16/10/2024, 23:59

Subject

CN=Zhuhai Kingsoft Office Software Co.\, Ltd.,O=Zhuhai Kingsoft Office Software Co.\, Ltd.,L=珠海市,ST=广东省,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

05:a8:1d:3b:96:27:0d:9a:1d:eb:07:cd:88:67:d0:a9
Certificate

Issuer

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

Not Before

14/10/2021, 00:00

Not After

16/10/2024, 23:59

Subject

CN=Zhuhai Kingsoft Office Software Co.\, Ltd.,O=Zhuhai Kingsoft Office Software Co.\, Ltd.,L=珠海市,ST=广东省,C=CN

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

f0:37:fb:9f:ae:c3:b9:a5:a0:95:f0:30:29:b6:a3:fe:19:dc:35:a1:b6:b0:ab:1c:fb:d4:e9:d0:1f:c2:0c:8f
Signer

Actual PE Digest

f0:37:fb:9f:ae:c3:b9:a5:a0:95:f0:30:29:b6:a3:fe:19:dc:35:a1:b6:b0:ab:1c:fb:d4:e9:d0:1f:c2:0c:8f

Digest Algorithm

sha256

PE Digest Matches

true

cc:11:22:4d:b5:eb:a0:aa:e1:ba:71:0c:47:a2:4f:a9:e1:54:f4:6e
Signer

Actual PE Digest

cc:11:22:4d:b5:eb:a0:aa:e1:ba:71:0c:47:a2:4f:a9:e1:54:f4:6e

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

H:\pub_a75p\rc_bug_mas_v12_2407\Build\Release\WPSOffice\office6\kvprinter\kvpins.pdb

Imports

kernel32

SetEnvironmentVariableW
ExpandEnvironmentStringsW
DeleteFileW
GetTempFileNameW
RemoveDirectoryW
SetFileAttributesW
GetTempPathW
IsDebuggerPresent
OutputDebugStringW
CloseHandle
GetLastError
SetLastError
FatalAppExitW
HeapAlloc
HeapFree
GetProcessHeap
SetEvent
WaitForSingleObject
CreateEventW
SetWaitableTimer
Sleep
CreateWaitableTimerW
GetCurrentProcess
GetCurrentProcessId
TerminateProcess
GetExitCodeProcess
TerminateThread
GetExitCodeThread
ResumeThread
CreateProcessW
OpenProcess
GetTickCount
GetSystemDirectoryW
GetNativeSystemInfo
VirtualQuery
GetModuleFileNameW
GetModuleHandleW
GetProcAddress
LocalFree
FormatMessageW
GetPrivateProfileIntW
GetPrivateProfileStringW
CopyFileW
MoveFileExW
WideCharToMultiByte
GetLocaleInfoW
GetThreadLocale
GetSystemDefaultLCID
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
OutputDebugStringA
RaiseException
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
FreeLibrary
LoadLibraryExW
LoadResource
SizeofResource
FindResourceW
lstrcmpiW
MultiByteToWideChar
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
IsValidCodePage
CreateFileW
LoadLibraryW
GetCurrentThreadId
GetWindowsDirectoryW
IsWow64Process
DecodePointer
HeapReAlloc
HeapSize
GetConsoleMode
GetSystemInfo
VirtualProtect
LoadLibraryExA
lstrlenA
SwitchToThread
CreateThread
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
RtlUnwind
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetStdHandle
WriteFile
ExitProcess
GetFileType
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
SetFilePointerEx
FlushFileBuffers
GetConsoleCP
WriteConsoleW

kvpvbsext

?RunScript@ScriptInterpreter@@YGJPB_WPBD0PAPAUtagSAFEARRAY@@PAUtagVARIANT@@@Z

Exports

Exports

_UninstallRoutine@8

Sections

.text
Size: 147KB - Virtual size: 147KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 49KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 76KB - Virtual size: 78KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.kvpver
Size: 512B - Virtual size: 20B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0d7e6f9fa81515d8153395a2e77c0eb7

Code Sign

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

Key Usages

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

Extended Key Usages

Key Usages

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

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

05:a8:1d:3b:96:27:0d:9a:1d:eb:07:cd:88:67:d0:a9Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

05:a8:1d:3b:96:27:0d:9a:1d:eb:07:cd:88:67:d0:a9Certificate

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

f0:37:fb:9f:ae:c3:b9:a5:a0:95:f0:30:29:b6:a3:fe:19:dc:35:a1:b6:b0:ab:1c:fb:d4:e9:d0:1f:c2:0c:8fSigner

cc:11:22:4d:b5:eb:a0:aa:e1:ba:71:0c:47:a2:4f:a9:e1:54:f4:6eSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

kvpvbsext

Exports

Exports

Sections

.text Size: 147KB - Virtual size: 147KB

.rdata Size: 49KB - Virtual size: 48KB

.data Size: 76KB - Virtual size: 78KB

.kvpver Size: 512B - Virtual size: 20B

.rsrc Size: 6KB - Virtual size: 5KB

.reloc Size: 10KB - Virtual size: 9KB

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

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

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

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

05:a8:1d:3b:96:27:0d:9a:1d:eb:07:cd:88:67:d0:a9
Certificate

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

05:a8:1d:3b:96:27:0d:9a:1d:eb:07:cd:88:67:d0:a9
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

f0:37:fb:9f:ae:c3:b9:a5:a0:95:f0:30:29:b6:a3:fe:19:dc:35:a1:b6:b0:ab:1c:fb:d4:e9:d0:1f:c2:0c:8f
Signer

cc:11:22:4d:b5:eb:a0:aa:e1:ba:71:0c:47:a2:4f:a9:e1:54:f4:6e
Signer

.text
Size: 147KB - Virtual size: 147KB

.rdata
Size: 49KB - Virtual size: 48KB

.data
Size: 76KB - Virtual size: 78KB

.kvpver
Size: 512B - Virtual size: 20B

.rsrc
Size: 6KB - Virtual size: 5KB

.reloc
Size: 10KB - Virtual size: 9KB