2024-09-05_ac6edb8d887337a0c016a56416a4734c_avoslocker_cobalt-strike_hijackloader

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General

Target

2024-09-05_ac6edb8d887337a0c016a56416a4734c_avoslocker_cobalt-strike_hijackloader
Size

736KB
MD5

ac6edb8d887337a0c016a56416a4734c
SHA1

65d1f14e189385e53ba4b3311dfbc98834c0926e
SHA256

da1fcc577b036e0ee0b50ed0d7b532ade368a83f31eacce55f88fcf783de6d68
SHA512

b21cf2db493b0205888841555426c90124974d88e27ce7d38c9b13db60049788b26e63d54df56dd6118cec6e496c15f4dc7461754697ae9035808e7d2d334462
SSDEEP

12288:iws9nNWFb2JrPo2KJHlQ0eS/hL0JR65ov5Ce4zvkm:iwDIoHJF/eS/hLlYCe4zvB

Score

1^/10

Malware Config

Signatures

Files

2024-09-05_ac6edb8d887337a0c016a56416a4734c_avoslocker_cobalt-strike_hijackloader
.exe windows:6 windows x86 arch:x86

fee86dd9a394a7e4f66d19098c721a00

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

05:ad:b1:cc:51:47:b5:51:2a:ab:1b:86:82:3c:b0:da
Certificate

Issuer

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

Not Before

26/06/2023, 00:00

Not After

26/06/2026, 23:59

Subject

SERIALNUMBER=91350200705487306K,CN=Yealink (Xiamen) Network Technology Co.\, Ltd.,O=Yealink (Xiamen) Network Technology Co.\, Ltd.,L=厦门市,ST=福建省,C=CN,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#0c09e58ea6e997a8e5b882,1.3.6.1.4.1.311.60.2.1.2=#0c09e7a68fe5bbbae79c81,1.3.6.1.4.1.311.60.2.1.3=#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

fb:68:ce:90:75:4b:02:79:f8:69:53:f0:c0:e5:95:ff:6e:c5:36:f2:3b:ac:cb:4a:ab:f5:0c:5b:5e:23:f1:55
Signer

Actual PE Digest

fb:68:ce:90:75:4b:02:79:f8:69:53:f0:c0:e5:95:ff:6e:c5:36:f2:3b:ac:cb:4a:ab:f5:0c:5b:5e:23:f1:55

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

D:\a\1\s\Win32\Release\ProcDump.pdb

Imports

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

shlwapi

StrStrIW

kernel32

Sleep
DeleteCriticalSection
K32GetModuleBaseNameW
GetThreadContext
ReadProcessMemory
K32EnumProcessModules
GetTickCount
OpenThread
SizeofResource
GetCurrentProcess
ExpandEnvironmentStringsW
WaitForDebugEvent
InitializeCriticalSection
GetFileAttributesW
DebugActiveProcessStop
ResumeThread
ContinueDebugEvent
OpenProcess
GetLastError
LockResource
DeleteFileW
CreateThread
LoadResource
FindResourceW
DebugActiveProcess
CreateProcessW
FreeLibrary
GetExitCodeProcess
MultiByteToWideChar
FormatMessageW
SetConsoleCtrlHandler
TerminateProcess
GetFullPathNameW
WaitForMultipleObjects
GetEnvironmentVariableA
K32GetProcessImageFileNameW
CreateToolhelp32Snapshot
WaitForSingleObject
Process32FirstW
GetSystemInfo
GetCurrentDirectoryW
GetCurrentProcessId
SystemTimeToTzSpecificLocalTime
GetSystemTime
DebugBreak
IsDebuggerPresent
GetFileSizeEx
CreateFileW
ReleaseSemaphore
GetProcessId
SetFilePointerEx
GetTimeFormatW
ExitProcess
CreateSemaphoreW
GetDateFormatW
DeviceIoControl
GetCurrentThread
VirtualQueryEx
ReadFile
GetConsoleOutputCP
FlushFileBuffers
ReadConsoleW
ReadConsoleInputW
SetConsoleMode
GetConsoleMode
FindNextFileW
WideCharToMultiByte
LCMapStringW
CompareStringW
CloseHandle
SetEvent
LeaveCriticalSection
EnterCriticalSection
LoadLibraryW
GetFileType
GetModuleFileNameW
LocalFree
GetModuleHandleW
GetProcAddress
LocalAlloc
GetStdHandle
GetCommandLineW
LoadLibraryExW
GetVersionExW
SetLastError
CreateEventW
OpenEventW
FindClose
FindFirstFileExW
HeapReAlloc
WriteConsoleW
SetEndOfFile
Process32NextW
DecodePointer
HeapAlloc
HeapFree
HeapSize
GetStringTypeW
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
ResetEvent
WaitForSingleObjectEx
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwind
RaiseException
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleExW
GetConsoleCP
SetStdHandle
WriteFile
GetCommandLineA

user32

IsWindowVisible
IsHungAppWindow
EnumWindows
LoadStringA
GetWindowThreadProcessId
EndDialog
SetWindowTextW
DialogBoxIndirectParamW
LoadCursorW
SetCursor
GetDlgItem
GetSysColorBrush
wsprintfW
SendMessageW
InflateRect

gdi32

EndDoc
GetDeviceCaps
SetMapMode
StartDocW
EndPage
StartPage

comdlg32

PrintDlgW

advapi32

CloseServiceHandle
OpenSCManagerW
EnumServicesStatusExW
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenProcessToken
RegDeleteKeyW
RegCreateKeyExW
RegDeleteValueW
RegCloseKey
RegSetValueExW
RegOpenKeyExW
RegCreateKeyW
RegOpenKeyW
RegQueryValueExW

shell32

CommandLineToArgvW

ole32

CoUninitialize
CoInitializeEx
CLSIDFromString
CoAllowSetForegroundWindow
CoCreateInstance

pdh

PdhGetFormattedCounterValue
PdhAddCounterW
PdhOpenQueryW
PdhCollectQueryData

Sections

.text
Size: 206KB - Virtual size: 205KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 112KB - Virtual size: 111KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 393KB - Virtual size: 393KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fee86dd9a394a7e4f66d19098c721a00

Code Sign

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

Extended Key Usages

Key Usages

05:ad:b1:cc:51:47:b5:51:2a:ab:1b:86:82:3c:b0:daCertificate

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

fb:68:ce:90:75:4b:02:79:f8:69:53:f0:c0:e5:95:ff:6e:c5:36:f2:3b:ac:cb:4a:ab:f5:0c:5b:5e:23:f1:55Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

version

shlwapi

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

pdh

Sections

.text Size: 206KB - Virtual size: 205KB

.rdata Size: 112KB - Virtual size: 111KB

.data Size: 3KB - Virtual size: 11KB

.rsrc Size: 393KB - Virtual size: 393KB

.reloc Size: 11KB - Virtual size: 10KB

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

05:ad:b1:cc:51:47:b5:51:2a:ab:1b:86:82:3c:b0:da
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

fb:68:ce:90:75:4b:02:79:f8:69:53:f0:c0:e5:95:ff:6e:c5:36:f2:3b:ac:cb:4a:ab:f5:0c:5b:5e:23:f1:55
Signer

.text
Size: 206KB - Virtual size: 205KB

.rdata
Size: 112KB - Virtual size: 111KB

.data
Size: 3KB - Virtual size: 11KB

.rsrc
Size: 393KB - Virtual size: 393KB

.reloc
Size: 11KB - Virtual size: 10KB