2024-06-02_ae3f9caf2c23b4b624b9ae5b658ea499_avoslocker_cobalt-strike

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General

Target

2024-06-02_ae3f9caf2c23b4b624b9ae5b658ea499_avoslocker_cobalt-strike
Size

501KB
MD5

ae3f9caf2c23b4b624b9ae5b658ea499
SHA1

8dc1530c55eacaaac0753d95a4e49335c52d0c1e
SHA256

6b955f731bb92ef6cb317dd626b6ac1ebd610b297886e53cdcc8c7a2ef79821e
SHA512

223478967f25f0d0ef6331f7b90a1ca5e26ab0d2df26e0fbb39e769c211351b17ba7f5b8eeb75c48b50cfefcd19834bd04f721f628ec9e51a15bc91c27133e80
SSDEEP

12288:cb7qiQBGqjrZH6PCGXTKaZKbbMMqfcEeQrX5:cAUqjrZH6PBpKbb3q0E7

Score

1^/10

Malware Config

Signatures

Files

2024-06-02_ae3f9caf2c23b4b624b9ae5b658ea499_avoslocker_cobalt-strike
.exe windows:6 windows x86 arch:x86

47cd298bb9e8b416cc3eb15c5a7b7abd

Code Sign

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

Issuer

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

Not Before

01/08/2013, 12:00

Not After

15/01/2038, 12:00

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0f:d1:bb:ca:79:6b:d7:f8:dd:4c:82:e1:0a:9a:96:31
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

13/01/2022, 00:00

Not After

09/11/2031, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

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

0f:be:73:56:ff:bc:d6:6c:bd:62:ba:2a:21:89:a5:32
Certificate

Issuer

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

Not Before

13/02/2023, 00:00

Not After

12/02/2026, 23:59

Subject

SERIALNUMBER=202024632W,CN=Byteplus Pte. Ltd.,O=Byteplus Pte. Ltd.,L=Singapore,C=SG,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025347

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

7a:05:ad:27:95:c3:20:9e:dc:c9:61:26:0a:a4:b6:f0:14:c5:9b:fc:8f:66:6e:ee:03:55:5b:ed:b0:ad:d7:26
Signer

Actual PE Digest

7a:05:ad:27:95:c3:20:9e:dc:c9:61:26:0a:a4:b6:f0:14:c5:9b:fc:8f:66:6e:ee:03:55:5b:ed:b0:ad:d7:26

Digest Algorithm

sha256

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

C:\gitlab-runner\builds\c9a30cf6\0\corplink\client-win-installer\src\client-win\out\x86-windows\release\corplink-helper.pdb

Imports

kernel32

DeleteCriticalSection
LoadResource
LockResource
SizeofResource
FindResourceW
FindResourceExW
GetModuleHandleW
GetProcAddress
DecodePointer
LoadLibraryW
CloseHandle
CreateFileW
FreeLibrary
HeapDestroy
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
FormatMessageW
GetProcessHeap
GetLocalTime
OutputDebugStringW
InitializeCriticalSectionEx
GetProcessHandleCount
CreateDirectoryW
K32GetModuleFileNameExW
K32EnumProcessModules
K32GetModuleInformation
ReadProcessMemory
OpenProcess
SetEvent
WaitForSingleObject
GetCurrentProcess
Sleep
CreateEventW
GetModuleFileNameW
WriteConsoleW
ReadConsoleW
GetTimeZoneInformation
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetLastError
RaiseException
K32GetProcessMemoryInfo
LocalFree
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
ReadFile
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
GetFileSizeEx
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
ResetEvent
WaitForSingleObjectEx
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
WideCharToMultiByte
MultiByteToWideChar
GetStringTypeW
EncodePointer
LCMapStringEx
GetLocaleInfoEx
CompareStringEx
GetCPInfo
RtlUnwind
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetStdHandle
WriteFile
GetFileType
SetEndOfFile

user32

UnhookWindowsHookEx
SetWindowsHookExW
PostMessageW

advapi32

RegCloseKey
RegOpenKeyExW
RegQueryValueExW

shell32

SHGetSpecialFolderPathW

ole32

CoTaskMemFree
StringFromCLSID

shlwapi

PathFileExistsW
PathAppendW

rpcrt4

NdrServerCall2
RpcServerInqCallAttributesW
RpcServerUnregisterIf
RpcMgmtStopServerListening
RpcServerListen
RpcServerRegisterIf
RpcServerUseProtseqEpW
RpcRevertToSelfEx
RpcImpersonateClient
UuidCreate
UuidCreateNil

dbghelp

MiniDumpWriteDump

Sections

.text
Size: 291KB - Virtual size: 290KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 82KB - Virtual size: 81KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 93KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

47cd298bb9e8b416cc3eb15c5a7b7abd

Code Sign

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5cCertificate

Key Usages

0f:d1:bb:ca:79:6b:d7:f8:dd:4c:82:e1:0a:9a:96:31Certificate

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

0f:be:73:56:ff:bc:d6:6c:bd:62:ba:2a:21:89:a5:32Certificate

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

7a:05:ad:27:95:c3:20:9e:dc:c9:61:26:0a:a4:b6:f0:14:c5:9b:fc:8f:66:6e:ee:03:55:5b:ed:b0:ad:d7:26Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

ole32

shlwapi

rpcrt4

dbghelp

Sections

.text Size: 291KB - Virtual size: 290KB

.rdata Size: 82KB - Virtual size: 81KB

.data Size: 7KB - Virtual size: 11KB

.rsrc Size: 93KB - Virtual size: 92KB

.reloc Size: 14KB - Virtual size: 13KB

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

0f:d1:bb:ca:79:6b:d7:f8:dd:4c:82:e1:0a:9a:96:31
Certificate

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

0f:be:73:56:ff:bc:d6:6c:bd:62:ba:2a:21:89:a5:32
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

7a:05:ad:27:95:c3:20:9e:dc:c9:61:26:0a:a4:b6:f0:14:c5:9b:fc:8f:66:6e:ee:03:55:5b:ed:b0:ad:d7:26
Signer

.text
Size: 291KB - Virtual size: 290KB

.rdata
Size: 82KB - Virtual size: 81KB

.data
Size: 7KB - Virtual size: 11KB

.rsrc
Size: 93KB - Virtual size: 92KB

.reloc
Size: 14KB - Virtual size: 13KB