2024-06-01_4be73273a38d9f488019ed44cab6ef30_avoslocker_cobalt-strike

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General

Target

2024-06-01_4be73273a38d9f488019ed44cab6ef30_avoslocker_cobalt-strike
Size

495KB
MD5

4be73273a38d9f488019ed44cab6ef30
SHA1

37cec2c94ed5c64268fa2f791a49e2d453c984c1
SHA256

e34d08e87cf71b2ce0e5bf7a4fe8216443cbed1e5d724bc0057cc25ec3eb12a0
SHA512

736c090edc2b5203bac9412c2ba61eb4a4a9a4e78db04671f92eea6ace31dbe349fc5ac4eb34c704ae72540fa3371a9fd14fbda0febaed53d7a9ebd332dc0004
SSDEEP

6144:a7WQ0j4ltziolIGlnE2deWXrlBu0R+J5JlLgPYfq8ZF02IlLZD90nXes2Vy:yi4lZiopXfu0R+J5JlLgPbD90nF2Vy

Score

1^/10

Malware Config

Signatures

Files

2024-06-01_4be73273a38d9f488019ed44cab6ef30_avoslocker_cobalt-strike
.exe windows:6 windows x86 arch:x86

a1b18b72067d74780ce7b8afa1409733

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:57:09:eb:53:17:bf:27:b8:a9:6e:a2:f1:4c:6f:a4
Certificate

Issuer

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

Not Before

01/08/2023, 00:00

Not After

31/07/2024, 23:59

Subject

CN=Internet Testing Systems\, LLC,O=Internet Testing Systems\, LLC,L=Baltimore,ST=Maryland,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

b7:59:5a:94:7c:e7:e0:8b:cf:15:1a:73:59:0f:c7:44:e8:47:eb:f2:63:6c:e8:c6:eb:d9:44:05:46:7c:ce:d5
Signer

Actual PE Digest

b7:59:5a:94:7c:e7:e0:8b:cf:15:1a:73:59:0f:c7:44:e8:47:eb:f2:63:6c:e8:c6:eb:d9:44:05:46:7c:ce:d5

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:\VSS\Solutions\CBootstrap\VerifyAndLaunch\Release\VerifyAndLaunch.pdb

Imports

wininet

InternetCanonicalizeUrlA
InternetOpenUrlA
InternetOpenA
InternetReadFile
HttpQueryInfoA

shlwapi

PathRemoveExtensionW
PathFindFileNameW
PathFileExistsW

kernel32

HeapReAlloc
HeapSize
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
GlobalAlloc
GlobalFree
SizeofResource
WriteFile
FindResourceA
CreateFileW
GetLastError
LockResource
DeleteFileW
CloseHandle
ReadFile
WideCharToMultiByte
Process32First
TerminateProcess
GetModuleFileNameW
GetTempPathW
WaitForSingleObject
OpenProcess
CreateToolhelp32Snapshot
MultiByteToWideChar
GetVersionExA
DeleteFileA
Process32Next
SetFilePointerEx
GetFileSizeEx
GetProcessHeap
ReadConsoleW
SetEndOfFile
DecodePointer
LoadResource
IsDebuggerPresent
LCMapStringW
GetStringTypeW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
WriteConsoleW
GetStartupInfoW
GetModuleHandleW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RaiseException
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
MoveFileExW
GetStdHandle
HeapAlloc
HeapFree
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP

user32

MessageBoxW
wsprintfA

advapi32

RegQueryValueExA
RegSetValueExA
RegOpenKeyExA
RegCloseKey

shell32

ShellExecuteW
SHCreateDirectoryExW
SHGetSpecialFolderPathW
ShellExecuteExW

ole32

CoSetProxyBlanket
CoCreateInstance
CoUninitialize
CoInitialize

oleaut32

SysFreeString
SysAllocStringLen
VariantInit

Sections

.text
Size: 114KB - Virtual size: 113KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 327KB - Virtual size: 326KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a1b18b72067d74780ce7b8afa1409733

Code Sign

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

Extended Key Usages

Key Usages

0c:57:09:eb:53:17:bf:27:b8:a9:6e:a2:f1:4c:6f:a4Certificate

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

b7:59:5a:94:7c:e7:e0:8b:cf:15:1a:73:59:0f:c7:44:e8:47:eb:f2:63:6c:e8:c6:eb:d9:44:05:46:7c:ce:d5Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

wininet

shlwapi

kernel32

user32

advapi32

shell32

ole32

oleaut32

Sections

.text Size: 114KB - Virtual size: 113KB

.rdata Size: 35KB - Virtual size: 34KB

.data Size: 2KB - Virtual size: 29KB

.rsrc Size: 327KB - Virtual size: 326KB

.reloc Size: 5KB - Virtual size: 5KB

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

0c:57:09:eb:53:17:bf:27:b8:a9:6e:a2:f1:4c:6f:a4
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

b7:59:5a:94:7c:e7:e0:8b:cf:15:1a:73:59:0f:c7:44:e8:47:eb:f2:63:6c:e8:c6:eb:d9:44:05:46:7c:ce:d5
Signer

.text
Size: 114KB - Virtual size: 113KB

.rdata
Size: 35KB - Virtual size: 34KB

.data
Size: 2KB - Virtual size: 29KB

.rsrc
Size: 327KB - Virtual size: 326KB

.reloc
Size: 5KB - Virtual size: 5KB