2024-10-17_8823692ee419df23b99d1bebb611e72c_cobalt-strike_hijackloader_ryuk

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General

Target

2024-10-17_8823692ee419df23b99d1bebb611e72c_cobalt-strike_hijackloader_ryuk
Size

552KB
MD5

8823692ee419df23b99d1bebb611e72c
SHA1

9b95d0048217ba241c10c6c7b171ca93a6785f13
SHA256

6b06d7355b497ad414dfcc870683316be3c7af14d54332fc24bd8c3e9b125306
SHA512

64d51587ecaef29d3183de70142e7b17fb5984fd985a3e149d3b6c391460ff870bc110372687882743fa00534b0d39970dbf03a2c0f4c2abeaf43cc44d71e306
SSDEEP

6144:+kwJArFTlSKjFkAcq2xRkQY8WQNXzQW5Y1P3zsiEaMo2Bv8LxIzect5NRD6JKyKr:Bw6F0eQYkNjQW5HVo2Bv0qzZtjQKJr

Score

1^/10

Malware Config

Signatures

Files

2024-10-17_8823692ee419df23b99d1bebb611e72c_cobalt-strike_hijackloader_ryuk
.exe windows:10 windows x64 arch:x64

2a34fc845477a3518f7d97b5261c51b6

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

0e:79:ab:d1:64:06:3c:ec:3e:80:66:d8:60:83:c4:8e
Certificate

Issuer

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

Not Before

25/03/2024, 00:00

Not After

31/03/2025, 23:59

Subject

SERIALNUMBER=916 368 127,CN=Opera Norway AS,O=Opera Norway AS,L=Oslo,ST=Oslo,C=NO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024e4f

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0b:ae:66:bc:5a:ba:7f:95:87:c6:f9:e9:04:e3:33:04
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

26/09/2024, 00:00

Not After

25/11/2035, 23:59

Subject

CN=DigiCert Timestamp 2024,O=DigiCert,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

d9:be:47:a1:a6:00:71:17:86:b7:8d:85:0d:04:97:7b:9b:a2:c7:39:05:84:76:bd:b0:f6:d8:fa:61:0f:2b:29
Signer

Actual PE Digest

d9:be:47:a1:a6:00:71:17:86:b7:8d:85:0d:04:97:7b:9b:a2:c7:39:05:84:76:bd:b0:f6:d8:fa:61:0f:2b:29

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE

PDB Paths

c:\srv\slave\workdir\repos\opera\chromium\src\out\Release\installer_helper\installer_helper.exe.pdb

Imports

shell32

SHBindToParent
SHParseDisplayName

user32

CreatePopupMenu
CreateWindowExW
DefWindowProcW
DestroyMenu
DestroyWindow
DispatchMessageW
GetMenuItemCount
GetMenuItemInfoW
GetMessageW
LoadCursorW
LoadStringW
PostMessageW
PostQuitMessage
RegisterClassW
SetTimer
TranslateMessage

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateFileW
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

ole32

CoInitialize
CoTaskMemFree
CoUninitialize

winmm

timeGetTime

Sections

.text
Size: 363KB - Virtual size: 363KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 90KB - Virtual size: 90KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 56KB - Virtual size: 86KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 305B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 848B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2a34fc845477a3518f7d97b5261c51b6

Code Sign

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

Extended Key Usages

Key Usages

0e:79:ab:d1:64:06:3c:ec:3e:80:66:d8:60:83:c4:8eCertificate

Extended Key Usages

Key Usages

0b:ae:66:bc:5a:ba:7f:95:87:c6:f9:e9:04:e3:33:04Certificate

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

d9:be:47:a1:a6:00:71:17:86:b7:8d:85:0d:04:97:7b:9b:a2:c7:39:05:84:76:bd:b0:f6:d8:fa:61:0f:2b:29Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

shell32

user32

kernel32

ole32

winmm

Sections

.text Size: 363KB - Virtual size: 363KB

.rdata Size: 90KB - Virtual size: 90KB

.data Size: 56KB - Virtual size: 86KB

.pdata Size: 15KB - Virtual size: 15KB

.gxfg Size: 9KB - Virtual size: 9KB

.retplne Size: 512B - Virtual size: 140B

.tls Size: 512B - Virtual size: 305B

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 1024B - Virtual size: 848B

.reloc Size: 3KB - Virtual size: 3KB

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

0e:79:ab:d1:64:06:3c:ec:3e:80:66:d8:60:83:c4:8e
Certificate

0b:ae:66:bc:5a:ba:7f:95:87:c6:f9:e9:04:e3:33:04
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

d9:be:47:a1:a6:00:71:17:86:b7:8d:85:0d:04:97:7b:9b:a2:c7:39:05:84:76:bd:b0:f6:d8:fa:61:0f:2b:29
Signer

.text
Size: 363KB - Virtual size: 363KB

.rdata
Size: 90KB - Virtual size: 90KB

.data
Size: 56KB - Virtual size: 86KB

.pdata
Size: 15KB - Virtual size: 15KB

.gxfg
Size: 9KB - Virtual size: 9KB

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 305B

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 1024B - Virtual size: 848B

.reloc
Size: 3KB - Virtual size: 3KB