2024-05-10_2f798fee83e0d99c3352b1dae44248c1_avoslocker_cobalt-strike

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General

Target

2024-05-10_2f798fee83e0d99c3352b1dae44248c1_avoslocker_cobalt-strike
Size

294KB
MD5

2f798fee83e0d99c3352b1dae44248c1
SHA1

5328e5cc8945ae0fed38efcf06286398fec8685c
SHA256

5fc6376365c1fc047dd496213383232dd172574c5be535e5629fd8b7eded9a7d
SHA512

bd7aafd921cb02672500f8c9002b526c6e76cd0ba60b992ed9781768850fb5c25fbe12b31241eae2d70475fef458f64a25ef5c23b3ca19b2323382481a80fcc4
SSDEEP

6144:LKCAEbUHfb0MR4+deTSgGi3mzZCIfr2fCd1AOpBPc+S87e:5PU/b0MR4+deTSgGwIf7NS87e

Score

1^/10

Malware Config

Signatures

Files

2024-05-10_2f798fee83e0d99c3352b1dae44248c1_avoslocker_cobalt-strike
.exe windows:6 windows x86 arch:x86

b787c4d154abb2f8e8eb1a07461fce68

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

0a:29:ae:5d:6a:3c:97:16:1e:4b:88:8d:f7:ed:b4:2e
Certificate

Issuer

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

Not Before

16-06-2022 00:00

Not After

18-06-2025 23:59

Subject

SERIALNUMBER=0705579-2,CN=WithSecure Oyj,O=WithSecure Oyj,L=Helsinki,C=FI,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024649

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

71:22:20:e9:e6:fa:e0:e4:0b:13:6a:d3:5a:97:fc:e8:76:75:62:0a:a6:6c:cc:af:f0:ba:6f:de:62:a8:9e:62
Signer

Actual PE Digest

71:22:20:e9:e6:fa:e0:e4:0b:13:6a:d3:5a:97:fc:e8:76:75:62:0a:a6:6c:cc:af:f0:ba:6f:de:62:a8:9e:62

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

d:\hudsonwork\workspace\OneClient\sidegrade_package\output\v143\x86\Release_Static\fsappremover.pdb

Imports

kernel32

GetFileAttributesW
GetFileInformationByHandle
ReadFile
RemoveDirectoryW
SetFilePointerEx
WriteFile
CloseHandle
MoveFileExW
ReleaseMutex
WaitForSingleObject
GetTickCount64
HeapAlloc
HeapFree
GetProcessHeap
CreateMutexW
OpenMutexW
GetCurrentProcess
LocalFree
ExpandEnvironmentStringsW
GetModuleFileNameW
GetModuleHandleExW
LocalAlloc
FormatMessageW
FindFirstFileW
FindClose
DeleteFileW
CreateFileW
CreateDirectoryW
GetTimeZoneInformation
GetLocalTime
GetSystemTime
ProcessIdToSessionId
GetCurrentThreadId
GetCurrentProcessId
SetLastError
FlushFileBuffers
GetStringTypeW
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
LCMapStringEx
QueryPerformanceCounter
OutputDebugStringA
GetSystemTimeAsFileTime
GetModuleHandleW
GetCPInfo
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RaiseException
RtlUnwind
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetStdHandle
ExitProcess
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
GetConsoleOutputCP
GetConsoleMode
GetFileSizeEx
ReadConsoleW
HeapReAlloc
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
HeapSize
WriteConsoleW
SetEndOfFile
LoadLibraryW
FreeLibrary
GetLastError
WideCharToMultiByte
MultiByteToWideChar
CopyFileA
LoadLibraryA
GetProcAddress

advapi32

GetSidSubAuthorityCount
GetSidSubAuthority
FreeSid
CheckTokenMembership
AllocateAndInitializeSid
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
ConvertStringSecurityDescriptorToSecurityDescriptorA
ConvertSidToStringSidW
GetTokenInformation
OpenProcessToken

oleaut32

SysAllocStringByteLen
SysStringLen
SysFreeString
SysAllocString

Sections

.text
Size: 182KB - Virtual size: 181KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 66KB - Virtual size: 66KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b787c4d154abb2f8e8eb1a07461fce68

Code Sign

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

Extended Key Usages

Key Usages

0a:29:ae:5d:6a:3c:97:16:1e:4b:88:8d:f7:ed:b4:2eCertificate

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

71:22:20:e9:e6:fa:e0:e4:0b:13:6a:d3:5a:97:fc:e8:76:75:62:0a:a6:6c:cc:af:f0:ba:6f:de:62:a8:9e:62Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

oleaut32

Sections

.text Size: 182KB - Virtual size: 181KB

.rdata Size: 66KB - Virtual size: 66KB

.data Size: 5KB - Virtual size: 8KB

.rsrc Size: 20KB - Virtual size: 19KB

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

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

0a:29:ae:5d:6a:3c:97:16:1e:4b:88:8d:f7:ed:b4:2e
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

71:22:20:e9:e6:fa:e0:e4:0b:13:6a:d3:5a:97:fc:e8:76:75:62:0a:a6:6c:cc:af:f0:ba:6f:de:62:a8:9e:62
Signer

.text
Size: 182KB - Virtual size: 181KB

.rdata
Size: 66KB - Virtual size: 66KB

.data
Size: 5KB - Virtual size: 8KB

.rsrc
Size: 20KB - Virtual size: 19KB

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