2024-05-20_3c541ba7442ef58bd377367ea7435f1e_avoslocker_cobalt-strike_floxif

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General

Target

2024-05-20_3c541ba7442ef58bd377367ea7435f1e_avoslocker_cobalt-strike_floxif
Size

769KB
MD5

3c541ba7442ef58bd377367ea7435f1e
SHA1

682549eb59767953e9533b1d329c85283eac7e5d
SHA256

b01dd1d0d5c3e60de968c523987af0793a742485b33639374076af21bd9682e0
SHA512

42fd5445d3b3f7bfebd5207accd060f783ac624fcecb8bdc2a90ea0fca4ecd350002548cab986fa73089cbc04e73b2e7e74f6a48ee1655b92c10e84268607912
SSDEEP

24576:hvKZblpHIyPrF6N+9DihR0JCUtVBZN43HqiK18NRzeheFbn+GkbrEH7L:hCZblpHIyPrF6N+9DihR0JCUtVBQ3Hqy

Score

1^/10

Malware Config

Signatures

Files

2024-05-20_3c541ba7442ef58bd377367ea7435f1e_avoslocker_cobalt-strike_floxif
.exe windows:6 windows x86 arch:x86

f05817b30da052085e20bdc9778fab51

Code Sign

09:b5:6e:f4:2c:8c:34:33:91:aa:2d:2c:e3:85:50:e3
Certificate

Issuer

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

Not Before

13/04/2022, 00:00

Not After

11/04/2025, 23:59

Subject

CN=Rainberry Inc,O=Rainberry Inc,L=San Francisco,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

38:63:de:f8
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

24/12/1999, 17:50

Not After

24/07/2029, 14:15

Subject

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

22/07/2015, 19:02

Not After

22/06/2029, 19:32

Subject

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

56:ab:95:75:28:9c:a5:9f:0e:17:d4:0b:ea:05:c3:1f
Certificate

Issuer

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

04/10/2022, 17:21

Not After

01/01/2029, 00:00

Subject

CN=Entrust Timestamp Authority - TSA1,O=Entrust\, Inc.,L=Ottawa,ST=Ontario,C=CA

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

c8:9b:72:62:64:a3:ad:6d:d5:79:d9:5d:64:9e:6f:24:0f:00:97:9d:e0:68:48:a5:29:99:30:6c:db:34:f8:55
Signer

Actual PE Digest

c8:9b:72:62:64:a3:ad:6d:d5:79:d9:5d:64:9e:6f:24:0f:00:97:9d:e0:68:48:a5:29:99:30:6c:db:34:f8:55

Digest Algorithm

sha256

PE Digest Matches

false

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

X:\jenkins-workspace\workspace\hybridclient-builder-remoteieframe\ut_win\Build\Win32\Release\RemoteIEFrame.pdb

Imports

urlmon

UrlMkSetSessionOption

kernel32

CreateThread
HeapAlloc
GetProcAddress
CreateMutexExW
GetCurrentProcessId
GetProcessHeap
GetModuleHandleW
DebugBreak
IsDebuggerPresent
GetVolumeInformationA
GetCurrentProcess
LoadLibraryA
GetModuleFileNameW
GetDriveTypeW
GetModuleHandleA
GetTickCount
MultiByteToWideChar
WideCharToMultiByte
ReadFile
VirtualAlloc
CreateFileW
SetUnhandledExceptionFilter
GetSystemTimeAsFileTime
VerSetConditionMask
VerifyVersionInfoW
WriteFile
CreateNamedPipeW
PeekNamedPipe
DisconnectNamedPipe
CreateEventW
Sleep
SetEvent
GetOverlappedResult
ConnectNamedPipe
FlushFileBuffers
GetLocaleInfoW
CancelSynchronousIo
LoadLibraryW
LocalFree
ExitProcess
GlobalAlloc
GetFileSizeEx
GetCommandLineW
GetFileAttributesW
OutputDebugStringA
LoadLibraryExW
FreeLibrary
GetEnvironmentVariableW
HeapSize
GetConsoleMode
GetConsoleOutputCP
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
HeapReAlloc
SetFilePointerEx
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
GetFileType
GetStdHandle
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
CloseHandle
OpenSemaphoreW
WaitForSingleObjectEx
TerminateThread
OutputDebugStringW
GetLastError
ReleaseMutex
FormatMessageW
GetCurrentThreadId
WaitForSingleObject
GetModuleHandleExW
ReleaseSemaphore
WriteConsoleW
SetLastError
HeapFree
CreateSemaphoreExW
GetModuleFileNameA
CreateDirectoryW
CancelIoEx
RaiseException
RtlUnwind
InitializeSListHead
GetStartupInfoW
ResetEvent
InitializeCriticalSectionAndSpinCount
IsProcessorFeaturePresent
TerminateProcess
UnhandledExceptionFilter
GetCPInfo
CompareStringEx
GetLocaleInfoEx
LCMapStringEx
GetStringTypeW
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
TryEnterCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
QueryPerformanceCounter

user32

MapWindowPoints
DispatchMessageW
ShowWindow
SendMessageW
TranslateMessage
GetClientRect
PostQuitMessage
ReleaseDC
EndPaint
BeginPaint
CreateWindowExW
GetForegroundWindow
MoveWindow
GetParent
InvalidateRect
GetWindowLongW
GetWindowRect
LoadCursorA
SetWindowPos
RegisterClassExW
TrackMouseEvent
FindWindowW
SetWindowLongW
PtInRect
GetCursorPos
GetMessageW
DefWindowProcW
GetKeyState
PostMessageW
DestroyWindow
GetDC
LogicalToPhysicalPointForPerMonitorDPI

gdi32

SelectObject
CreateCompatibleDC
StretchBlt
DeleteDC
SetStretchBltMode
DeleteObject
CreateCompatibleBitmap

advapi32

RegCloseKey
RegGetValueW
EventUnregister
EventWriteTransfer
EventSetInformation
EventRegister
RegQueryValueExW
RegOpenKeyExW

shell32

SHGetSpecialFolderPathW
DragQueryFileW
DragFinish
CommandLineToArgvW

ole32

OleUninitialize
CoTaskMemAlloc
CoTaskMemFree
OleInitialize
CoCreateInstance
ReleaseStgMedium
OleSetContainedObject
OleCreate
CreateStreamOnHGlobal
StgCreateStorageEx

oleaut32

VariantClear
SysAllocString
DispGetParam
SysFreeString
VariantInit
LoadTypeLibEx
SysStringLen

shlwapi

PathRemoveFileSpecW
PathFileExistsW
PathFindFileNameW
PathCombineW

Sections

.text
Size: 496KB - Virtual size: 496KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 124KB - Virtual size: 124KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 30KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f05817b30da052085e20bdc9778fab51

Code Sign

09:b5:6e:f4:2c:8c:34:33:91:aa:2d:2c:e3:85:50:e3Certificate

Extended Key Usages

Key Usages

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

38:63:de:f8Certificate

Key Usages

58:da:13:ff:00:00:00:00:51:ce:0d:f7Certificate

Extended Key Usages

Key Usages

56:ab:95:75:28:9c:a5:9f:0e:17:d4:0b:ea:05:c3:1fCertificate

Extended Key Usages

Key Usages

c8:9b:72:62:64:a3:ad:6d:d5:79:d9:5d:64:9e:6f:24:0f:00:97:9d:e0:68:48:a5:29:99:30:6c:db:34:f8:55Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

urlmon

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

shlwapi

Sections

.text Size: 496KB - Virtual size: 496KB

.rdata Size: 124KB - Virtual size: 124KB

.data Size: 26KB - Virtual size: 35KB

.rsrc Size: 4KB - Virtual size: 3KB

.reloc Size: 30KB - Virtual size: 29KB

09:b5:6e:f4:2c:8c:34:33:91:aa:2d:2c:e3:85:50:e3
Certificate

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

38:63:de:f8
Certificate

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

56:ab:95:75:28:9c:a5:9f:0e:17:d4:0b:ea:05:c3:1f
Certificate

c8:9b:72:62:64:a3:ad:6d:d5:79:d9:5d:64:9e:6f:24:0f:00:97:9d:e0:68:48:a5:29:99:30:6c:db:34:f8:55
Signer

.text
Size: 496KB - Virtual size: 496KB

.rdata
Size: 124KB - Virtual size: 124KB

.data
Size: 26KB - Virtual size: 35KB

.rsrc
Size: 4KB - Virtual size: 3KB

.reloc
Size: 30KB - Virtual size: 29KB