2024-09-06_b141c940fb5ec1689b4e108d8d3f0231_avoslocker_cobalt-strike_hijackloader

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General

Target

2024-09-06_b141c940fb5ec1689b4e108d8d3f0231_avoslocker_cobalt-strike_hijackloader
Size

858KB
MD5

b141c940fb5ec1689b4e108d8d3f0231
SHA1

413d82520be3c17a7ce2e412ab63d3efaea15b45
SHA256

361f3d899a93f1111e464edfe637b8ba44dc3fd66002900f60233c6dc962cfdc
SHA512

0d327abf67097de6c7fdd8d45775e1273eccfe8ede4aa565c656141c9f5927c1bfe7800a6da8189493e9be694cc778b8274d52d409a4931ab7e34d150c0d4620
SSDEEP

12288:CMZXOYzqL12KIMkuw/ihdrgIoIMPISo9XoAOt0OmRiNV3XPga0FQA:vZ+YuL1QCwer5pMkoAx43fgz

Score

1^/10

Malware Config

Signatures

Files

2024-09-06_b141c940fb5ec1689b4e108d8d3f0231_avoslocker_cobalt-strike_hijackloader
.exe windows:5 windows x86 arch:x86

8e75f959414bcef8ea2416a5d7ba742e

Code Sign

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

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8f
Certificate

Issuer

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

Not Before

28-07-2021 00:00

Not After

27-07-2036 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA256 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

03:9c:12:44:48:06:1e:99:e6:9c:d9:5d:57:c8:07:a6
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA256 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

27-06-2024 00:00

Not After

15-10-2024 23:59

Subject

SERIALNUMBER=4969967,CN=Zoom Video Communications\, Inc.,O=Zoom Video Communications\, Inc.,L=San Jose,ST=California,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

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

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

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8f
Certificate

Issuer

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

Not Before

28-07-2021 00:00

Not After

27-07-2036 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA256 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

03:9c:12:44:48:06:1e:99:e6:9c:d9:5d:57:c8:07:a6
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA256 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

27-06-2024 00:00

Not After

15-10-2024 23:59

Subject

SERIALNUMBER=4969967,CN=Zoom Video Communications\, Inc.,O=Zoom Video Communications\, Inc.,L=San Jose,ST=California,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

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

ff:3d:af:2e:76:4f:90:fd:9e:69:91:d7:97:d5:72:e8:20:ea:8b:9d
Signer

Actual PE Digest

ff:3d:af:2e:76:4f:90:fd:9e:69:91:d7:97:d5:72:e8:20:ea:8b:9d

Digest Algorithm

sha1

PE Digest Matches

true

72:7e:69:ec:60:60:23:8c:fb:78:57:2d:88:0b:ee:6f:f6:d3:a5:6c:2b:d6:c2:93:50:17:1b:0d:a3:62:c5:51
Signer

Actual PE Digest

72:7e:69:ec:60:60:23:8c:fb:78:57:2d:88:0b:ee:6f:f6:d3:a5:6c:2b:d6:c2:93:50:17:1b:0d:a3:62:c5:51

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

c:\jenkins\workspace\Client\Client\Windows\release\Bin\Release\NewInstaller.pdb

Imports

psapi

EnumProcesses
GetModuleFileNameExW
GetModuleBaseNameW
GetProcessImageFileNameW
EnumProcessModules

shlwapi

PathAppendW
PathFileExistsA
StrCmpNIW
PathIsRelativeW
PathAddBackslashW
PathCombineW
PathFileExistsW
PathIsNetworkPathW
PathUnquoteSpacesW
PathIsPrefixW
PathRemoveFileSpecW
PathRemoveBackslashW

kernel32

TlsFree
GetModuleFileNameW
IsBadStringPtrW
OpenProcess
IsBadReadPtr
FindFirstFileW
FindNextFileW
ExpandEnvironmentStringsW
DeviceIoControl
RemoveDirectoryW
GetTempPathW
CreateToolhelp32Snapshot
Process32NextW
Process32FirstW
LoadLibraryW
MoveFileExW
VerSetConditionMask
VerifyVersionInfoW
GetTempFileNameW
MoveFileW
LoadLibraryExW
CopyFileW
Sleep
OutputDebugStringW
CreateProcessW
SetDllDirectoryW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
LocalFree
CreateMutexW
OpenMutexW
TerminateProcess
QueryFullProcessImageNameW
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetConsoleMode
ReadConsoleW
GetConsoleCP
SetFilePointerEx
GetFileType
GetFullPathNameW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetTickCount
GetStdHandle
GetStartupInfoW
InitializeCriticalSectionAndSpinCount
GetSystemTimeAsFileTime
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetFileSizeEx
SetStdHandle
SetEndOfFile
HeapReAlloc
GetDriveTypeW
ExitProcess
GetCPInfo
IsValidCodePage
GetACP
GetOEMCP
GetStringTypeW
WriteConsoleW
SetCurrentDirectoryW
GetCurrentDirectoryW
EncodePointer
HeapSize
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
QueryPerformanceCounter
InitializeSListHead
LCMapStringEx
RtlUnwind
GetModuleFileNameA
ExpandEnvironmentStringsA
GetTempPathA
GetFileAttributesA
GlobalAlloc
GlobalFree
QueryDosDeviceW
LoadLibraryExA
GetWindowsDirectoryW
GetProcessTimes
DosDateTimeToFileTime
TlsGetValue
FreeLibrary
LocalFileTimeToFileTime
SetFileTime
SetLastError
TlsSetValue
GetProcessHeap
HeapAlloc
CreateFileA
SetFilePointer
WriteFile
HeapFree
ReadFile
SetFileAttributesW
CreateDirectoryW
GetSystemDirectoryW
MapViewOfFile
CreateFileMappingW
GetFileSize
UnmapViewOfFile
CreateFileW
CreateDirectoryA
WideCharToMultiByte
GetWindowsDirectoryA
DeleteFileW
MultiByteToWideChar
TlsAlloc
GetModuleHandleA
GetVersionExW
FindClose
OutputDebugStringA
GetCurrentProcess
FindFirstFileA
lstrlenW
GetCurrentProcessId
GetLocalTime
GetCurrentThreadId
GetModuleHandleW
DeleteCriticalSection
GetProcAddress
DecodePointer
RaiseException
CloseHandle
GetFileAttributesW
WaitForSingleObject
InitializeCriticalSectionEx
GetLastError
FindFirstFileExW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
SetEnvironmentVariableW
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetTimeZoneInformation
GetSystemInfo
VirtualProtect
VirtualQuery
K32GetProcessImageFileNameW

user32

EndPaint
LoadBitmapW
ShowWindow
LoadCursorW
SetCursor
CopyRect
IntersectRect
GetSysColor
SetRect
ReleaseDC
GetWindowLongW
GetWindowThreadProcessId
EnumWindows
InflateRect
OffsetRect
wvsprintfW
SendMessageW
UnregisterClassW
InvalidateRect
BeginPaint
ReleaseCapture
GetClientRect
SetCapture
GetUpdateRect
GetDC
DrawEdge
DrawTextW
IsRectEmpty
CharNextW
LoadStringW
FillRect
TranslateMessage
DispatchMessageW
GetMessageW
FindWindowW
EnableMenuItem
PostQuitMessage
MessageBoxW
PostMessageW
GetMenuState
GetSystemMenu
GetParent
SystemParametersInfoW
LoadIconW
SetTimer
IsWindow
RegisterClassExW
CreateWindowExW
SetWindowPos
DestroyWindow
GetWindowRect
DefWindowProcW
SendMessageTimeoutW
PtInRect

gdi32

TextOutW
GetStockObject
BitBlt
GetTextExtentPoint32W
LineTo
CreatePen
Rectangle
GetObjectW
MoveToEx
CreateSolidBrush
CreateFontIndirectW
RoundRect
SelectObject
DeleteDC
GetClipBox
CreateRectRgnIndirect
SetTextColor
SetBkMode
ExtSelectClipRgn
CreateCompatibleBitmap
SaveDC
CreateCompatibleDC
RestoreDC
SetBkColor
ExtTextOutW
GetObjectType
GetTextMetricsW
SelectClipRgn
DeleteObject

advapi32

DuplicateTokenEx
RegUnLoadKeyW
RegLoadKeyW
ConvertSidToStringSidW
OpenProcessToken
GetTokenInformation
RegEnumValueW
CryptAcquireContextW
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptGetHashParam
CryptReleaseContext
RegDeleteKeyW
AllocateAndInitializeSid
FreeSid
CheckTokenMembership
RegEnumKeyExW
RegCreateKeyExW
RegSetValueExW
RegOpenKeyExW
RegDeleteValueW
RegQueryValueExW
RegCreateKeyA
RegCloseKey
RegQueryValueExA
RegSetValueExA
RegOpenKeyExA
RegDeleteValueA
GetUserNameW

shell32

ShellExecuteExW
SHGetSpecialFolderPathA
SHGetSpecialFolderPathW
SHChangeNotify
SHFileOperationW
ShellExecuteW
SHGetFolderPathA
SHFileOperationA

ole32

CoInitializeEx
CoInitializeSecurity
CoSetProxyBlanket
CoCreateInstance
CoUninitialize
CoTaskMemAlloc
PropVariantClear
CoInitialize

oleaut32

SysAllocString
SysFreeString
VariantChangeType
VariantInit
VariantClear

Sections

.text
Size: 461KB - Virtual size: 460KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 145KB - Virtual size: 145KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didat
Size: 512B - Virtual size: 28B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 195KB - Virtual size: 194KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8e75f959414bcef8ea2416a5d7ba742e

Code Sign

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

Extended Key Usages

Key Usages

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8fCertificate

Extended Key Usages

Key Usages

03:9c:12:44:48:06:1e:99:e6:9c:d9:5d:57:c8:07:a6Certificate

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

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

Extended Key Usages

Key Usages

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8fCertificate

Extended Key Usages

Key Usages

03:9c:12:44:48:06:1e:99:e6:9c:d9:5d:57:c8:07:a6Certificate

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

ff:3d:af:2e:76:4f:90:fd:9e:69:91:d7:97:d5:72:e8:20:ea:8b:9dSigner

72:7e:69:ec:60:60:23:8c:fb:78:57:2d:88:0b:ee:6f:f6:d3:a5:6c:2b:d6:c2:93:50:17:1b:0d:a3:62:c5:51Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

psapi

shlwapi

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

Sections

.text Size: 461KB - Virtual size: 460KB

.rdata Size: 145KB - Virtual size: 145KB

.data Size: 6KB - Virtual size: 21KB

.didat Size: 512B - Virtual size: 28B

.rsrc Size: 195KB - Virtual size: 194KB

.reloc Size: 25KB - Virtual size: 24KB

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

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8f
Certificate

03:9c:12:44:48:06:1e:99:e6:9c:d9:5d:57:c8:07:a6
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

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

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8f
Certificate

03:9c:12:44:48:06:1e:99:e6:9c:d9:5d:57:c8:07:a6
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

ff:3d:af:2e:76:4f:90:fd:9e:69:91:d7:97:d5:72:e8:20:ea:8b:9d
Signer

72:7e:69:ec:60:60:23:8c:fb:78:57:2d:88:0b:ee:6f:f6:d3:a5:6c:2b:d6:c2:93:50:17:1b:0d:a3:62:c5:51
Signer

.text
Size: 461KB - Virtual size: 460KB

.rdata
Size: 145KB - Virtual size: 145KB

.data
Size: 6KB - Virtual size: 21KB

.didat
Size: 512B - Virtual size: 28B

.rsrc
Size: 195KB - Virtual size: 194KB

.reloc
Size: 25KB - Virtual size: 24KB