2024-07-24_90372d5d20e02dbacea89c48ddd1f200_avoslocker_cobalt-strike_hijackloader

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General

Target

2024-07-24_90372d5d20e02dbacea89c48ddd1f200_avoslocker_cobalt-strike_hijackloader
Size

926KB
MD5

90372d5d20e02dbacea89c48ddd1f200
SHA1

c9b4746f6bab9cbe72cb44c2a4cbd8aeca5930a0
SHA256

fc66bb6617584cc8eacbcea1cc4d2dfa4890b89f5afb643b21647efe7f516b39
SHA512

0d594ace96721119b29f1af1f8cb7dfedf0c196ecff31f565017169dcdc2e8b133f9fc5919b9cd4fa7dcc3c75d42ce51d88354b838995ff124c507cca32d43e8
SSDEEP

12288:qbGBrQ/jncvrPbYlPIMK6S0aAPxRk29kq0rWoMy+YtWXVmOjFrY6XdtCbGqsGu1J:qiNwgAPxRkqv7fy+MiRX7ouJ

Score

1^/10

Malware Config

Signatures

Files

2024-07-24_90372d5d20e02dbacea89c48ddd1f200_avoslocker_cobalt-strike_hijackloader
.exe windows:5 windows x86 arch:x86

37ef206e5d83be8fdf8e6863d6f8a007

Code Sign

54:98:d2:d1:d4:5b:19:95:48:13:79:c8:11:c0:87:99
Certificate

Issuer

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Not Before

16/04/2020, 18:36

Not After

16/04/2045, 18:44

Subject

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:40:e7:1f:4f:5f:74:57:9f:62:cf:00:00:00:00:40:e7
Certificate

Issuer

CN=Microsoft ID Verified CS EOC CA 02,O=Microsoft Corporation,C=US

Not Before

25/01/2024, 10:20

Not After

28/01/2024, 10:20

Subject

CN=G DATA CyberDefense AG,O=G DATA CyberDefense AG,L=Bochum,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

33:00:00:40:e7:1f:4f:5f:74:57:9f:62:cf:00:00:00:00:40:e7
Certificate

Issuer

CN=Microsoft ID Verified CS EOC CA 02,O=Microsoft Corporation,C=US

Not Before

25/01/2024, 10:20

Not After

28/01/2024, 10:20

Subject

CN=G DATA CyberDefense AG,O=G DATA CyberDefense AG,L=Bochum,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

33:00:00:00:05:fb:7a:5c:32:13:61:df:5d:00:00:00:00:00:05
Certificate

Issuer

CN=Microsoft ID Verified Code Signing PCA 2021,O=Microsoft Corporation,C=US

Not Before

13/04/2021, 17:31

Not After

13/04/2026, 17:31

Subject

CN=Microsoft ID Verified CS EOC CA 02,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:07:87:a3:34:a3:7b:a5:8e:1c:00:00:00:00:00:07
Certificate

Issuer

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Not Before

01/04/2021, 20:05

Not After

01/04/2036, 20:15

Subject

CN=Microsoft ID Verified Code Signing PCA 2021,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:05:e5:cf:0f:ff:66:2e:c9:87:00:00:00:00:00:05
Certificate

Issuer

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Not Before

19/11/2020, 20:32

Not After

19/11/2035, 20:42

Subject

CN=Microsoft Public RSA Timestamping CA 2020,O=Microsoft Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:2e:30:2b:14:37:07:50:ad:83:00:00:00:00:00:2e
Certificate

Issuer

CN=Microsoft Public RSA Timestamping CA 2020,O=Microsoft Corporation,C=US

Not Before

15/06/2023, 19:38

Not After

14/06/2024, 19:38

Subject

CN=Microsoft Public RSA Time Stamping Authority,OU=Microsoft Ireland Operations Limited+OU=Thales TSS ESN:C392-9641-4540,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

26:19:a9:da:e3:8c:0c:93:4d:c6:75:e9:d4:71:b5:70
Certificate

Issuer

CN=G DATA CyberDefense AG

Not Before

10/03/2021, 11:26

Not After

31/12/2029, 23:00

Subject

CN=G DATA CyberDefense AG

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

83:47:97:45:cc:58:37:65:7a:5d:97:cc:ec:f0:c2:5d:dc:1f:f1:78:56:fd:07:70:a6:e8:5a:d9:33:1d:63:a7
Signer

Actual PE Digest

83:47:97:45:cc:58:37:65:7a:5d:97:cc:ec:f0:c2:5d:dc:1f:f1:78:56:fd:07:70:a6:e8:5a:d9:33:1d:63:a7

Digest Algorithm

sha256

PE Digest Matches

true

83:47:97:45:cc:58:37:65:7a:5d:97:cc:ec:f0:c2:5d:dc:1f:f1:78:56:fd:07:70:a6:e8:5a:d9:33:1d:63:a7
Signer

Actual PE Digest

83:47:97:45:cc:58:37:65:7a:5d:97:cc:ec:f0:c2:5d:dc:1f:f1:78:56:fd:07:70:a6:e8:5a:d9:33:1d:63:a7

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:\j\workspace\ev_antispam_release_1-production\bin\Release32v14x\ASKLoader.pdb

Imports

kernel32

GetLogicalDrives
SetFilePointerEx
WriteFile
SetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
DeviceIoControl
GetOverlappedResult
TryEnterCriticalSection
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
SleepConditionVariableSRW
CreateEventA
InitializeSListHead
InterlockedPopEntrySList
InterlockedPushEntrySList
SwitchToThread
GetCurrentThread
SetThreadPriority
GetThreadPriority
CreateProcessW
ProcessIdToSessionId
GetSystemInfo
GetWindowsDirectoryW
GetModuleHandleExW
QueryFullProcessImageNameW
MoveFileExW
VerifyVersionInfoW
GetDateFormatW
GetTimeFormatW
CreateMutexA
CreateThread
OpenMutexA
TerminateProcess
WriteConsoleW
FlushFileBuffers
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
GetACP
IsValidCodePage
FindFirstFileExW
GetTimeZoneInformation
GetConsoleOutputCP
GetConsoleMode
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetDriveTypeW
SearchPathW
VerSetConditionMask
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
GlobalFree
GlobalAlloc
ExpandEnvironmentStringsW
FormatMessageW
LocalFree
LoadLibraryA
GetModuleHandleA
GetModuleFileNameW
GetSystemDirectoryW
GetThreadId
ResumeThread
FindClose
TerminateThread
GetCurrentProcessId
Sleep
ResetEvent
LeaveCriticalSection
EnterCriticalSection
CreateFileW
MultiByteToWideChar
LoadLibraryW
FreeLibrary
GetCurrentThreadId
OutputDebugStringW
WideCharToMultiByte
LoadLibraryExW
GetProcAddress
GetModuleHandleW
VirtualQuery
GetStdHandle
ExitProcess
GetFileType
SetStdHandle
FreeLibraryAndExitThread
ExitThread
GetCommandLineW
GetCommandLineA
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
RtlUnwind
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetCPInfo
CompareStringEx
GetLocaleInfoEx
GetTickCount
GetCurrentProcess
GetSystemTimeAsFileTime
EncodePointer
LCMapStringEx
IsProcessorFeaturePresent
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
InitializeSRWLock
WaitForSingleObjectEx
InitOnceExecuteOnce
GetStringTypeW
IsDebuggerPresent
OpenEventW
CreateEventW
WaitForSingleObject
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
GetLastError
RaiseException
CloseHandle
DecodePointer
FindNextFileW
FindFirstFileW
SetEnvironmentVariableW

user32

MsgWaitForMultipleObjectsEx
IsWindowUnicode
SetForegroundWindow
DestroyWindow
CreateWindowExW
CharLowerW
RegisterClassW
DefWindowProcW
SendMessageW
PeekMessageW
DispatchMessageW
DispatchMessageA
TranslateMessage
FindWindowW
GetMessageA
GetMessageW

advapi32

DuplicateTokenEx
RegCreateKeyExW
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
CloseServiceHandle
OpenSCManagerW
StartServiceW
QueryServiceStatus
CreateServiceW
SetTokenInformation
RevertToSelf
InitializeSid
ImpersonateLoggedOnUser
GetTokenInformation
GetSidSubAuthority
GetLengthSid
FreeSid
CheckTokenMembership
AllocateAndInitializeSid
OpenProcessToken
CreateProcessAsUserW
OpenServiceW
RegCloseKey

shell32

ShellExecuteW

ole32

CoTaskMemFree
CoUninitialize
CoInitializeEx
CoCreateInstance
CLSIDFromProgID
CoInitialize
CreateStreamOnHGlobal
StringFromGUID2
CoCreateGuid
CoTaskMemAlloc
StringFromCLSID

oleaut32

SysAllocString
VariantInit
VariantClear
SysAllocStringLen
VariantCopyInd
VariantChangeType
SysFreeString
SysStringByteLen
SysAllocStringByteLen

ask

ModuleMain

shlwapi

PathRemoveExtensionW
PathFindFileNameW

psapi

GetModuleBaseNameW

wtsapi32

WTSQueryUserToken

userenv

DestroyEnvironmentBlock
CreateEnvironmentBlock

Sections

.text
Size: 452KB - Virtual size: 452KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 120KB - Virtual size: 119KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 288KB - Virtual size: 288KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 27KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

37ef206e5d83be8fdf8e6863d6f8a007

Code Sign

54:98:d2:d1:d4:5b:19:95:48:13:79:c8:11:c0:87:99Certificate

Key Usages

33:00:00:40:e7:1f:4f:5f:74:57:9f:62:cf:00:00:00:00:40:e7Certificate

Extended Key Usages

Key Usages

33:00:00:40:e7:1f:4f:5f:74:57:9f:62:cf:00:00:00:00:40:e7Certificate

Extended Key Usages

Key Usages

33:00:00:00:05:fb:7a:5c:32:13:61:df:5d:00:00:00:00:00:05Certificate

Key Usages

33:00:00:00:07:87:a3:34:a3:7b:a5:8e:1c:00:00:00:00:00:07Certificate

Key Usages

33:00:00:00:05:e5:cf:0f:ff:66:2e:c9:87:00:00:00:00:00:05Certificate

Extended Key Usages

Key Usages

33:00:00:00:2e:30:2b:14:37:07:50:ad:83:00:00:00:00:00:2eCertificate

Extended Key Usages

Key Usages

26:19:a9:da:e3:8c:0c:93:4d:c6:75:e9:d4:71:b5:70Certificate

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

83:47:97:45:cc:58:37:65:7a:5d:97:cc:ec:f0:c2:5d:dc:1f:f1:78:56:fd:07:70:a6:e8:5a:d9:33:1d:63:a7Signer

83:47:97:45:cc:58:37:65:7a:5d:97:cc:ec:f0:c2:5d:dc:1f:f1:78:56:fd:07:70:a6:e8:5a:d9:33:1d:63:a7Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

ask

shlwapi

psapi

wtsapi32

userenv

Sections

.text Size: 452KB - Virtual size: 452KB

.rdata Size: 120KB - Virtual size: 119KB

.data Size: 14KB - Virtual size: 20KB

.rsrc Size: 288KB - Virtual size: 288KB

.reloc Size: 27KB - Virtual size: 27KB

54:98:d2:d1:d4:5b:19:95:48:13:79:c8:11:c0:87:99
Certificate

33:00:00:40:e7:1f:4f:5f:74:57:9f:62:cf:00:00:00:00:40:e7
Certificate

33:00:00:40:e7:1f:4f:5f:74:57:9f:62:cf:00:00:00:00:40:e7
Certificate

33:00:00:00:05:fb:7a:5c:32:13:61:df:5d:00:00:00:00:00:05
Certificate

33:00:00:00:07:87:a3:34:a3:7b:a5:8e:1c:00:00:00:00:00:07
Certificate

33:00:00:00:05:e5:cf:0f:ff:66:2e:c9:87:00:00:00:00:00:05
Certificate

33:00:00:00:2e:30:2b:14:37:07:50:ad:83:00:00:00:00:00:2e
Certificate

26:19:a9:da:e3:8c:0c:93:4d:c6:75:e9:d4:71:b5:70
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

83:47:97:45:cc:58:37:65:7a:5d:97:cc:ec:f0:c2:5d:dc:1f:f1:78:56:fd:07:70:a6:e8:5a:d9:33:1d:63:a7
Signer

83:47:97:45:cc:58:37:65:7a:5d:97:cc:ec:f0:c2:5d:dc:1f:f1:78:56:fd:07:70:a6:e8:5a:d9:33:1d:63:a7
Signer

.text
Size: 452KB - Virtual size: 452KB

.rdata
Size: 120KB - Virtual size: 119KB

.data
Size: 14KB - Virtual size: 20KB

.rsrc
Size: 288KB - Virtual size: 288KB

.reloc
Size: 27KB - Virtual size: 27KB