2024-06-14_fa7137d5adf3591887a377f295422aff_avoslocker_cobalt-strike

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General

Target

2024-06-14_fa7137d5adf3591887a377f295422aff_avoslocker_cobalt-strike
Size

528KB
MD5

fa7137d5adf3591887a377f295422aff
SHA1

6eefe48a0737490cf42dae9b8dc5a0d0167e9c9a
SHA256

32e45c9194259fb423854278aea034c9c430ed94f8b7940a1dce70ca4ae95918
SHA512

0c809188afe64c219f9b8f732d54237f486af7b343cd83bdd6a996de2cc1037f42cc806f7329fbeb7d0571b5e9337c9c29b47d868cfdaa79a4e190ec405f2465
SSDEEP

12288:MUQvnrl1wm2OtPZPRhXokbmHDC+qKKoy1sKqEwXgNvy:MUMp2OtPZPRvaDCpoypL+

Score

1^/10

Malware Config

Signatures

Files

2024-06-14_fa7137d5adf3591887a377f295422aff_avoslocker_cobalt-strike
.exe windows:6 windows x86 arch:x86

7c0362e907f0cff921d686b1994da0c6

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

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

0e:3b:82:bb:f0:54:5b:03:3f:6b:0d:53:c0:15:61:22
Certificate

Issuer

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

Not Before

17/10/2023, 00:00

Not After

17/10/2026, 23:59

Subject

SERIALNUMBER=91110108MA01R70K8D,CN=北京火山引擎科技有限公司,O=北京火山引擎科技有限公司,ST=北京市,C=CN,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#0c09e6b5b7e6b780e58cba,1.3.6.1.4.1.311.60.2.1.2=#0c09e58c97e4baace5b882,1.3.6.1.4.1.311.60.2.1.3=#1302434e

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

07:e9:b4:be:56:cb:96:e7:d1:0c:9b:1d:90:29:c2:2c:1c:b1:c5:cc:6b:44:88:45:72:fe:80:fa:fa:f2:d0:db
Signer

Actual PE Digest

07:e9:b4:be:56:cb:96:e7:d1:0c:9b:1d:90:29:c2:2c:1c:b1:c5:cc:6b:44:88:45:72:fe:80:fa:fa:f2:d0:db

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:\jenkins\workspace\FeiLian_Windows_Build@6\client-win-installer\src\client-win\out\x86-windows\release\corplink-helper.pdb

Imports

kernel32

DeleteCriticalSection
LoadResource
LockResource
SizeofResource
FindResourceW
FindResourceExW
GetModuleHandleW
GetProcAddress
DecodePointer
CloseHandle
HeapDestroy
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
FormatMessageW
GetProcessHeap
GetLocalTime
OutputDebugStringW
OpenProcess
K32GetModuleFileNameExW
VirtualAllocEx
WriteProcessMemory
CreateRemoteThread
SetThreadPriority
LoadLibraryW
CreateFileW
FreeLibrary
K32GetProcessMemoryInfo
GetProcessHandleCount
CreateDirectoryW
K32EnumProcessModules
K32GetModuleInformation
InitializeCriticalSectionEx
SetEvent
WaitForSingleObject
GetCurrentProcess
QueryPerformanceFrequency
QueryPerformanceCounter
Sleep
CreateEventW
WideCharToMultiByte
DeleteFileW
GetFileAttributesExW
GetModuleFileNameW
MoveFileExW
CopyFileW
CreateToolhelp32Snapshot
Thread32First
OpenThread
QueueUserAPC
Thread32Next
VirtualFreeEx
WriteConsoleW
ReadConsoleW
GetTimeZoneInformation
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
GetLastError
RaiseException
ReadProcessMemory
LocalFree
FindClose
ReadFile
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
GetFileSizeEx
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
GetFileType
WriteFile
GetStdHandle
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
CreateThread
TlsFree
TlsSetValue
SetLastError
ExitProcess
TerminateProcess
VirtualProtectEx
VirtualQueryEx
IsWow64Process
LoadLibraryExW
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
ResetEvent
WaitForSingleObjectEx
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
MultiByteToWideChar
GetStringTypeW
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryEnterCriticalSection
InitOnceComplete
InitOnceBeginInitialize
EncodePointer
LCMapStringEx
GetLocaleInfoEx
CompareStringEx
GetCPInfo
RtlUnwind
TlsAlloc
TlsGetValue
SetEndOfFile

user32

DispatchMessageA
DispatchMessageW
MsgWaitForMultipleObjectsEx
PostMessageW
UnhookWindowsHookEx
SetWindowsHookExW
GetMessageW
TranslateMessage
GetMessageA
IsWindowUnicode
PeekMessageW

advapi32

RegCloseKey
RegOpenKeyExW
RegQueryValueExW

shell32

SHGetSpecialFolderPathW

ole32

StringFromCLSID
CoTaskMemFree

shlwapi

PathFileExistsW
PathAppendW
PathRemoveFileSpecW
StrCpyNW

rpcrt4

UuidCreate
RpcServerInqCallAttributesW
RpcServerUnregisterIf
RpcMgmtStopServerListening
RpcServerListen
RpcServerRegisterIf
RpcServerUseProtseqEpW
RpcRevertToSelfEx
NdrClientCall2
RpcImpersonateClient
UuidCreateNil
NdrServerCall2

dbghelp

MiniDumpWriteDump

Sections

.text
Size: 305KB - Virtual size: 305KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 89KB - Virtual size: 89KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.detourc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.detourd
Size: 512B - Virtual size: 12B

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: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7c0362e907f0cff921d686b1994da0c6

Code Sign

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

Key Usages

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

Extended Key Usages

Key Usages

0e:3b:82:bb:f0:54:5b:03:3f:6b:0d:53:c0:15:61:22Certificate

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

07:e9:b4:be:56:cb:96:e7:d1:0c:9b:1d:90:29:c2:2c:1c:b1:c5:cc:6b:44:88:45:72:fe:80:fa:fa:f2:d0:dbSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

ole32

shlwapi

rpcrt4

dbghelp

Sections

.text Size: 305KB - Virtual size: 305KB

.rdata Size: 89KB - Virtual size: 89KB

.data Size: 7KB - Virtual size: 12KB

.detourc Size: 4KB - Virtual size: 4KB

.detourd Size: 512B - Virtual size: 12B

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

.reloc Size: 16KB - Virtual size: 15KB

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

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

0e:3b:82:bb:f0:54:5b:03:3f:6b:0d:53:c0:15:61:22
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

07:e9:b4:be:56:cb:96:e7:d1:0c:9b:1d:90:29:c2:2c:1c:b1:c5:cc:6b:44:88:45:72:fe:80:fa:fa:f2:d0:db
Signer

.text
Size: 305KB - Virtual size: 305KB

.rdata
Size: 89KB - Virtual size: 89KB

.data
Size: 7KB - Virtual size: 12KB

.detourc
Size: 4KB - Virtual size: 4KB

.detourd
Size: 512B - Virtual size: 12B

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

.reloc
Size: 16KB - Virtual size: 15KB