2024-06-13_9c903a366b86ff32a1d4f6b28f1b289c_avoslocker

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General

Target

2024-06-13_9c903a366b86ff32a1d4f6b28f1b289c_avoslocker
Size

1.7MB
MD5

9c903a366b86ff32a1d4f6b28f1b289c
SHA1

bd0d8d4bbc0c899e21ecf122ca621b44c63d46bc
SHA256

65d5ddc7bf8b5259aaecd60fd90e9ca0c2f5431a2086b97a4dd0ef76f3b02db2
SHA512

898f3a5877b5330e91a034503595d149443132176fd126517a7964f15331e15c583b85d89914e1080f02161f29f2a02fc8b0e824781c27a440227c5786dd2d1a
SSDEEP

12288:jOUKM/pPRm7qyRSdjAiiHmm5BYV6EGpCR2rxWpsiZiGo5ffsVcIhP4aF9eUnkBXO:KLQQqQmmfYVNIfQin5nsVcIhPF/vqs

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-13_9c903a366b86ff32a1d4f6b28f1b289c_avoslocker

Files

2024-06-13_9c903a366b86ff32a1d4f6b28f1b289c_avoslocker
.exe windows:6 windows x86 arch:x86

b69258b62f585aad149a58fccfc55e71

Headers

DLL Characteristics

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_hotfix_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: 181KB - Virtual size: 180KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 58KB - Virtual size: 57KB

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: 1.2MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

b69258b62f585aad149a58fccfc55e71

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

tier0_s

vstdlib_s

psapi

wininet

Sections

.text Size: 181KB - Virtual size: 180KB

.rdata Size: 58KB - Virtual size: 57KB

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

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

.reloc Size: 1.2MB - Virtual size: 1.8MB

.text
Size: 181KB - Virtual size: 180KB

.rdata
Size: 58KB - Virtual size: 57KB

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

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

.reloc
Size: 1.2MB - Virtual size: 1.8MB