2024-05-19_7420eb188a608ad7db1e1de0a6644897_avoslocker_cobalt-strike

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General

Target

2024-05-19_7420eb188a608ad7db1e1de0a6644897_avoslocker_cobalt-strike
Size

560KB
MD5

7420eb188a608ad7db1e1de0a6644897
SHA1

29a59d2f74a82cf939c950f3df63a0150aaa651c
SHA256

a8a1d7df49f2c7ddca2625a4b9c8fc3742eeba92f4984298fca96a6e0d4902b7
SHA512

58da13bb73d8993b214ad43947a43f4a1fa157844967ad98e252086dc0d6c5f3b5f2b78dd504ea3601d2fadef4f3dae9de22e62ae98eafce36a7d13836fe6e48
SSDEEP

6144:m359raREfJvcnQSjTjGTkBsl4c4fAO9pQER0u+GIIIIIIIhIIIIIIIIIIIIIIIUv:m3aREfJvcQIjGws4BHxm5VPfBX

Score

1^/10

Malware Config

Signatures

Files

2024-05-19_7420eb188a608ad7db1e1de0a6644897_avoslocker_cobalt-strike
.exe windows:6 windows x86 arch:x86

b69258b62f585aad149a58fccfc55e71

Code Sign

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

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

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

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

05:44: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

06:89:b3:bc:eb:44:09:89:0a:32:d7:19:76:b1:32:a4
Certificate

Issuer

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

Not Before

07/10/2021, 00:00

Not After

09/10/2024, 23:59

Subject

CN=Valve Corp.,O=Valve Corp.,L=Bellevue,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

cc:36:f5:eb:84:41:0e:d1:a5:81:ac:30:44:3c:5f:fa:ef:9f:64:0f:8a:bf:53:51:e6:3d:e2:4b:7f:0c:43:d1
Signer

Actual PE Digest

cc:36:f5:eb:84:41:0e:d1:a5:81:ac:30:44:3c:5f:fa:ef:9f:64:0f:8a:bf:53:51:e6:3d:e2:4b:7f:0c:43:d1

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

c:\buildslave\steam_rel_client_win32\build\src\steamerrorreporter\Release\steamerrorreporter.pdb

Imports

kernel32

HeapAlloc
GetProcessHeap
GetCurrentThreadId
GetModuleFileNameA
GetModuleHandleExA
EnterCriticalSection
LeaveCriticalSection
OutputDebugStringW
CloseHandle
CreateEventA
Sleep
GetTickCount
GetModuleFileNameW
LCMapStringEx
InitializeCriticalSectionEx
WriteConsoleW
DecodePointer
GetConsoleCP
GetStringTypeW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
SetFilePointerEx
ReadConsoleW
GetConsoleMode
SetStdHandle
MultiByteToWideChar
GetTimeZoneInformation
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetModuleHandleExW
ExitProcess
GetStdHandle
GetFileType
LoadLibraryExW
TlsFree
TlsSetValue
TlsGetValue
ReadFile
GetCurrentProcess
WriteFile
RegisterWaitForSingleObject
UnregisterWait
CreateNamedPipeW
InitializeCriticalSection
CreateMutexW
ReleaseMutex
DuplicateHandle
DisconnectNamedPipe
CreateEventW
GetLastError
SetEvent
ResetEvent
GetOverlappedResult
UnregisterWaitEx
DeleteCriticalSection
GetCurrentProcessId
ConnectNamedPipe
OpenProcess
ReadProcessMemory
GetSystemTimeAsFileTime
GetProcessTimes
CreateFileW
LoadLibraryW
GetProcAddress
FreeLibrary
GetSystemTime
CreateDirectoryW
DeleteFileW
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
GetFileAttributesW
GetFileSizeEx
GetFileTime
SetEndOfFile
SetFileAttributesW
SetLastError
InitializeCriticalSectionAndSpinCount
WaitForSingleObjectEx
GetModuleHandleW
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
InitializeSListHead
TerminateProcess
RtlUnwind
RaiseException
EncodePointer
TlsAlloc

tier0_s

WriteMiniDump
Plat_IsInDebugSession
Plat_ExitProcess
?AssertFailed@?$AssertMsgHelper@$00@@SA_NPBDI0@Z
getcwd_utf8
??1CThreadMutex@@QAE@XZ
??0CThreadMutex@@QAE@XZ
g_dwDllEntryThreadId
g_pMemAllocSteam
?AssertFailed@?$AssertMsgHelper@$0A@@@SA_NPBDI0ZZ
?Push@CValidator@@QAEXPBDPAX0@Z
?Pop@CValidator@@QAEXXZ
?ClaimArrayMemory@CValidator@@QAEXPBX@Z

vstdlib_s

V_snprintf
V_vsnwprintf
V_strncat
V_UTF8ToUTF16
V_UTF16ToUTF8
V_StripTrailingSlash
V_StripLastDir
V_FixSlashes
V_strncpy
V_strncat_length
V_RemoveDotSlashes
V_IsAbsolutePath
V_FixDoubleSlashes

psapi

EnumProcessModules
GetModuleBaseNameW

wininet

InternetQueryDataAvailable
InternetOpenW
HttpQueryInfoW
InternetCrackUrlW
HttpSendRequestW
HttpAddRequestHeadersW
InternetReadFile
HttpOpenRequestW
InternetConnectW
InternetCloseHandle

Sections

.text
Size: 183KB - Virtual size: 182KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 58KB - Virtual size: 58KB

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: 295KB - Virtual size: 295KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b69258b62f585aad149a58fccfc55e71

Code Sign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5cCertificate

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

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

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

06:89:b3:bc:eb:44:09:89:0a:32:d7:19:76:b1:32:a4Certificate

Extended Key Usages

Key Usages

cc:36:f5:eb:84:41:0e:d1:a5:81:ac:30:44:3c:5f:fa:ef:9f:64:0f:8a:bf:53:51:e6:3d:e2:4b:7f:0c:43:d1Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

tier0_s

vstdlib_s

psapi

wininet

Sections

.text Size: 183KB - Virtual size: 182KB

.rdata Size: 58KB - Virtual size: 58KB

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

.rsrc Size: 295KB - Virtual size: 295KB

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

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

06:89:b3:bc:eb:44:09:89:0a:32:d7:19:76:b1:32:a4
Certificate

cc:36:f5:eb:84:41:0e:d1:a5:81:ac:30:44:3c:5f:fa:ef:9f:64:0f:8a:bf:53:51:e6:3d:e2:4b:7f:0c:43:d1
Signer

.text
Size: 183KB - Virtual size: 182KB

.rdata
Size: 58KB - Virtual size: 58KB

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

.rsrc
Size: 295KB - Virtual size: 295KB

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