2024-09-19_5f916ebe428f294c93c75a903edaf2ba_avoslocker

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General

Target

2024-09-19_5f916ebe428f294c93c75a903edaf2ba_avoslocker
Size

1.8MB
MD5

5f916ebe428f294c93c75a903edaf2ba
SHA1

b757b9bb1b93e5a440ef52521d0b11f1553f4cc3
SHA256

acb52a70827d77a26c1ac716ed1e101dc3ec0a0ee40f142dd9f0f6ae4a50d2c4
SHA512

e96614a8deef70d6e5aa21c9a63b253c8f4741a18bc28c7813073f285a8438f62d15bd43d9575167d70fc1cbbcaa0b18416d936b37580da36619bfc127db381d
SSDEEP

24576:/yKL2oMoBmhyN4ERtuTlg0VZ+rt+ZfIgW/8uSZJR:7aoMoBm+zRt2vVyt+KRaZJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-19_5f916ebe428f294c93c75a903edaf2ba_avoslocker

Files

2024-09-19_5f916ebe428f294c93c75a903edaf2ba_avoslocker
.exe windows:6 windows x86 arch:x86

e225f7cd62e871f2c4ffd00d705d3984

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:\buildworker\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
TlsAlloc
InitializeCriticalSectionAndSpinCount
EncodePointer
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
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
QueryPerformanceCounter
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
TerminateProcess
RtlUnwind
RaiseException

tier0_s

WriteMiniDump
Plat_IsInDebugSession
Plat_ExitProcess
?AssertFailed@?$AssertMsgHelper@$00@@SA_NPBDI0@Z
g_VProfProfilesRunningCount
CVProfile_ExitScope
VProfInternalEnterScopeCurrentThread
getcwd_utf8
?ClaimArrayMemory@CValidator@@QAEXPBX@Z
??1CThreadMutex@@QAE@XZ
??0CThreadMutex@@QAE@XZ
g_dwDllEntryThreadId
g_pMemAllocSteam
?AssertFailed@?$AssertMsgHelper@$0A@@@SA_NPBDI0ZZ
?Pop@CValidator@@QAEXXZ
?Push@CValidator@@QAEXPBDPAX0@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: 179KB - Virtual size: 179KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 44KB - Virtual size: 43KB

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: 1.3MB - Virtual size: 1.3MB

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

e225f7cd62e871f2c4ffd00d705d3984

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

tier0_s

vstdlib_s

psapi

wininet

Sections

.text Size: 179KB - Virtual size: 179KB

.rdata Size: 44KB - Virtual size: 43KB

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

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

.reloc Size: 1.3MB - Virtual size: 1.3MB

.text
Size: 179KB - Virtual size: 179KB

.rdata
Size: 44KB - Virtual size: 43KB

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

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

.reloc
Size: 1.3MB - Virtual size: 1.3MB