2024-08-14_298b27dbd8894806f86b685f4c7ad35e_avoslocker_cobalt-strike_hijackloader

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General

Target

2024-08-14_298b27dbd8894806f86b685f4c7ad35e_avoslocker_cobalt-strike_hijackloader
Size

444KB
MD5

298b27dbd8894806f86b685f4c7ad35e
SHA1

539263c3b029152cade804d88ba50361265578c6
SHA256

be63397d72e6e5e66c612f7c937104c3fd3bc00b9018f4ecadc9f6c3251480de
SHA512

00eb75f777cd2f5c8e6e8431153845a59ff1cae1a88c99ce07b4c21451f2998ca9aed2eb9bf6cde89ae88813ad37544513502f2e28a3bd2532c98d889e3f21ff
SSDEEP

12288:9oxHhKl7ZCQHzNZ2lbBifWg+6ivtFfZ9uAAGDwVOfLvdNg5:9cCVTNZUNvXZBpe5

Score

1^/10

Malware Config

Signatures

Files

2024-08-14_298b27dbd8894806f86b685f4c7ad35e_avoslocker_cobalt-strike_hijackloader
.exe windows:6 windows x86 arch:x86

d1dd1dd2fdab040ab9d0fa65888202ec

Code Sign

01:ee:5f:16:9d:ff:97:35:2b:64:65:d6:6a
Certificate

Issuer

CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE

Not Before

19/09/2018, 00:00

Not After

28/01/2028, 12:00

Subject

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

78:03:18:42:45:70:8a:41:cf:6f:01:b8:ee:b4:a9:54
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

28/07/2020, 00:00

Not After

18/03/2029, 00:00

Subject

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

77:bd:0e:03:a1:b7:08:f8:54:ab:06:72:10:d9:04:47
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28/07/2020, 00:00

Not After

28/07/2030, 00:00

Subject

CN=GlobalSign GCC R45 CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

51:32:af:90:cc:55:1e:68:5b:1b:6b:ab
Certificate

Issuer

CN=GlobalSign GCC R45 CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

20/11/2023, 13:23

Not After

09/10/2026, 07:40

Subject

CN=ZOHO Corporation Private Limited,O=ZOHO Corporation Private Limited,L=Chennai,ST=Tamil Nadu,C=IN

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

1c:62:9e:d9:3b:b6:77:29:a6:f4:66:40:ee:85:ac:91:ad:74:5c:1b:d6:f0:e2:6b:ab:00:1b:57:d4:55:fb:b1
Signer

Actual PE Digest

1c:62:9e:d9:3b:b6:77:29:a6:f4:66:40:ee:85:ac:91:ad:74:5c:1b:d6:f0:e2:6b:ab:00:1b:57:d4:55:fb:b1

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_ISOLATION
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

remcomm

??1RemComm@REMCOMM@@QAE@XZ
?CreateCmdProcess@RemComm@REMCOMM@@QAEKPAX@Z
?AttemptWsConnection@RemComm@REMCOMM@@QAE_NXZ
?setHostName@RemComm@REMCOMM@@QAEXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
?DeInitialize@RemComm@REMCOMM@@SAXXZ
?StartResponseThread@RemComm@REMCOMM@@QAEKXZ
?WaitForRAPCLOUDInitialization@RemComm@REMCOMM@@QAEKXZ
?setRAPCloud@RemComm@REMCOMM@@QAEX_N@Z
?InitiateRemComm@RemComm@REMCOMM@@QAEXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0_NHV?$CStringT@_WV?$StrTraitATL@_WV?$ChTraitsCRT@_W@ATL@@@ATL@@@ATL@@22H@Z
??0RemComm@REMCOMM@@QAE@AAU_userConfirm@@_N@Z

sysmanager

??0Csysmanager@@QAE@AAU_userConfirm@@@Z
?make_connect@Csysmanager@@QAEXUConnectionVariable@@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@11H_N1111@Z
?initConnectionVariables@Csysmanager@@SAXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$CStringT@_WV?$StrTraitATL@_WV?$ChTraitsCRT@_W@ATL@@@ATL@@@ATL@@00000@Z
?toolsRootDirectory@Csysmanager@@2V?$CStringT@_WV?$StrTraitATL@_WV?$ChTraitsCRT@_W@ATL@@@ATL@@@ATL@@A
?toolId@Csysmanager@@2HA
?triggerEventExport@Csysmanager@@SAK_J@Z
??1Csysmanager@@QAE@XZ

winhttp

WinHttpAddRequestHeaders
WinHttpReceiveResponse
WinHttpSetTimeouts
WinHttpQueryHeaders
WinHttpQueryOption
WinHttpQueryDataAvailable
WinHttpReadData
WinHttpConnect
WinHttpCloseHandle
WinHttpOpen
WinHttpSetOption
WinHttpOpenRequest
WinHttpSendRequest

powrprof

SetSuspendState

kernel32

GetFileAttributesExW
GetFullPathNameW
GetDriveTypeW
GetCommandLineW
GetCurrentDirectoryW
DecodePointer
CloseHandle
RaiseException
GetLastError
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
CreateMutexW
OpenMutexW
Sleep
FindResourceExW
GetModuleFileNameW
GetModuleHandleW
GetProcAddress
LoadResource
LockResource
SizeofResource
FindResourceW
LoadLibraryW
LocalAlloc
LocalFree
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentVariableW
CreateFileW
FlushFileBuffers
GetFileSize
ReadFile
SetEndOfFile
WriteFile
SetLastError
GetCurrentThreadId
GetLocalTime
GetTimeZoneInformation
SetCurrentDirectoryW
WaitForSingleObject
GetCurrentProcess
TerminateProcess
FindClose
FindFirstFileW
LoadLibraryA
GetStdHandle
CreateDirectoryW
DeleteFileW
ReleaseMutex
GetCurrentProcessId
IsBadStringPtrW
FreeLibrary
OutputDebugStringW
LoadLibraryExW
RtlUnwind
GetStartupInfoW
InitializeSListHead
QueryPerformanceCounter
IsProcessorFeaturePresent
SetStdHandle
GetFileType
IsDebuggerPresent
ExitProcess
GetModuleHandleExW
GetCommandLineA
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetConsoleOutputCP
GetConsoleMode
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
WriteConsoleW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
WaitForSingleObjectEx
SetFileAttributesW
EnterCriticalSection
LeaveCriticalSection
CreateEventW
SwitchToThread
TlsAlloc
CopyFileW
ResetEvent
SetEvent
GetCPInfo
GetStringTypeW
GetLocaleInfoW
LCMapStringW
CompareStringW
EncodePointer
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue

user32

PostMessageW
LockWorkStation
ExitWindowsEx

advapi32

InitializeSecurityDescriptor
FreeSid
SetSecurityDescriptorDacl
RegCloseKey
OpenProcessToken
InitiateSystemShutdownW
LookupPrivilegeValueW
AdjustTokenPrivileges
GetUserNameW
RegQueryValueExA
RegOpenKeyExA
AllocateAndInitializeSid

shell32

CommandLineToArgvW
SHGetFolderPathW

shlwapi

PathFileExistsW
PathRemoveFileSpecW

crypt32

CertGetNameStringA
CertFreeCertificateContext
CertFindCertificateInStore
CertGetNameStringW
CryptQueryObject
CryptMsgGetParam

Exports

Exports

??0AsyncWsHandler@@QAE@ABV0@@Z
??0CmdHandler@@QAE@ABV0@@Z
??0CmdHandler@@QAE@XZ
??0RemComm@REMCOMM@@QAE@ABV01@@Z
??1CmdHandler@@QAE@XZ
??4AsyncWsHandler@@QAEAAV0@ABV0@@Z
??4CmdHandler@@QAEAAV0@ABV0@@Z
??4RemComm@REMCOMM@@QAEAAV01@ABV01@@Z
?SetLogPath@AsyncWsHandler@@QAAXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z

Sections

.text
Size: 297KB - Virtual size: 297KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 105KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d1dd1dd2fdab040ab9d0fa65888202ec

Code Sign

01:ee:5f:16:9d:ff:97:35:2b:64:65:d6:6aCertificate

Key Usages

78:03:18:42:45:70:8a:41:cf:6f:01:b8:ee:b4:a9:54Certificate

Extended Key Usages

Key Usages

77:bd:0e:03:a1:b7:08:f8:54:ab:06:72:10:d9:04:47Certificate

Extended Key Usages

Key Usages

51:32:af:90:cc:55:1e:68:5b:1b:6b:abCertificate

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

1c:62:9e:d9:3b:b6:77:29:a6:f4:66:40:ee:85:ac:91:ad:74:5c:1b:d6:f0:e2:6b:ab:00:1b:57:d4:55:fb:b1Signer

Headers

DLL Characteristics

File Characteristics

Imports

remcomm

sysmanager

winhttp

powrprof

kernel32

user32

advapi32

shell32

shlwapi

crypt32

Exports

Exports

Sections

.text Size: 297KB - Virtual size: 297KB

.rdata Size: 105KB - Virtual size: 105KB

.data Size: 5KB - Virtual size: 9KB

.rsrc Size: 8KB - Virtual size: 7KB

.reloc Size: 15KB - Virtual size: 14KB

01:ee:5f:16:9d:ff:97:35:2b:64:65:d6:6a
Certificate

78:03:18:42:45:70:8a:41:cf:6f:01:b8:ee:b4:a9:54
Certificate

77:bd:0e:03:a1:b7:08:f8:54:ab:06:72:10:d9:04:47
Certificate

51:32:af:90:cc:55:1e:68:5b:1b:6b:ab
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

1c:62:9e:d9:3b:b6:77:29:a6:f4:66:40:ee:85:ac:91:ad:74:5c:1b:d6:f0:e2:6b:ab:00:1b:57:d4:55:fb:b1
Signer

.text
Size: 297KB - Virtual size: 297KB

.rdata
Size: 105KB - Virtual size: 105KB

.data
Size: 5KB - Virtual size: 9KB

.rsrc
Size: 8KB - Virtual size: 7KB

.reloc
Size: 15KB - Virtual size: 14KB