Report - build2.exe

Loki_b Loki_m UPX Malicious Library Code injection AntiDebug AntiVM OS Processor Check PE32 PE File
ScreenShot
Created 2023.04.21 18:02 Machine s1_win7_x6401
Filename build2.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
6
Behavior Score
10.2
ZERO API file : malware
VT API (file) 54 detected (ChaikoBonwX, Injuke, malicious, high confidence, GenericKDZ, Stop, Artemis, Save, confidence, 100%, GenusB, DGBG, Eldorado, Kryptik, HTIW, score, BootkitX, VIDAR, YXDDRZ, Lockbit, moderate, Static AI, Suspicious PE, Malware@#2xut7z8jjl6t5, StopCrypt, Detected, R572924, ai score=89, unsafe, Chgt, Generic@AI, RDML, UQLe61GtHbWxS4Lpe5iFsA, susgen, HTJK)
md5 d0eb40fe08f409805aed3f5312bfb5b8
sha256 2689a2c221cb723b4f35e912efa5c1f6df415d9f656b44c1c9cbbccf248ad1c6
ssdeep 6144:Z16f9MWbC0l7fKduveCMI9VqzpxICGwZKlC21AHNdOEs27iM+:OfjpKSXVizIZRlCpUR27
imphash 5f5dc2f801dd0386bbc0b0641bbaff5b
impfuzzy 24:b5/lgUmyj6tX/mcD7u9jEdQBY4abG2bv8HikliOov7keJ3ttmuHQFQ8Ryv9f4Bze:b5tgfyUXLdKdXCtt1H39gBzf+90Q91p
  Network IP location

Signature (22cnts)

Level Description
danger File has been identified by 54 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Communicates with host for which no DNS query was performed
watch Network activity contains more than one unique useragent
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice Allocates read-write-execute memory (usually to unpack itself)
notice Creates executable files on the filesystem
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Potentially malicious URLs were found in the process memory dump
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Yara rule detected in process memory
info Checks if process is being debugged by a debugger
info Collects information to fingerprint the system (MachineGuid
info One or more processes crashed
info Queries for the computername
info The file contains an unknown PE resource name possibly indicative of a packer
info This executable has a PDB path

Rules (15cnts)

Level Name Description Collection
danger Win32_PWS_Loki_Zero Win32 PWS Loki memory
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (8cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://116.203.7.73/ DE Hetzner Online GmbH 116.203.7.73 clean
http://116.203.7.73/install.zip DE Hetzner Online GmbH 116.203.7.73 clean
https://steamcommunity.com/profiles/76561199497218285 US AKAMAI-AS 104.88.222.199 clean
t.me GB Telegram Messenger Inc 149.154.167.99 mailcious
steamcommunity.com US Akamai International B.V. 23.198.103.114 mailcious
149.154.167.99 GB Telegram Messenger Inc 149.154.167.99 mailcious
104.88.222.199 US AKAMAI-AS 104.88.222.199 clean
116.203.7.73 DE Hetzner Online GmbH 116.203.7.73 clean

Suricata ids

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x40100c QueryPerformanceCounter
 0x401010 UnlockFile
 0x401014 GetLogicalDrives
 0x401018 BackupSeek
 0x40101c GetModuleHandleW
 0x401020 VirtualFree
 0x401024 ConvertFiberToThread
 0x401028 ReadConsoleW
 0x40102c GetWindowsDirectoryA
 0x401030 EnumTimeFormatsA
 0x401034 EnumTimeFormatsW
 0x401038 EnumResourceTypesA
 0x40103c LoadLibraryW
 0x401040 GetFileAttributesA
 0x401044 GetShortPathNameA
 0x401048 EnumSystemLocalesA
 0x40104c SetThreadLocale
 0x401050 GetCPInfoExW
 0x401054 GetLastError
 0x401058 GetProcAddress
 0x40105c ScrollConsoleScreenBufferW
 0x401060 HeapUnlock
 0x401064 GetFirmwareEnvironmentVariableW
 0x401068 LoadLibraryA
 0x40106c InterlockedExchangeAdd
 0x401070 LocalAlloc
 0x401074 RemoveDirectoryW
 0x401078 BeginUpdateResourceA
 0x40107c PostQueuedCompletionStatus
 0x401080 WriteProfileSectionW
 0x401084 GetDefaultCommConfigA
 0x401088 VirtualProtect
 0x40108c OpenEventW
 0x401090 ScrollConsoleScreenBufferA
 0x401094 AddConsoleAliasA
 0x401098 DebugBreak
 0x40109c EnumCalendarInfoExA
 0x4010a0 VirtualAlloc
 0x4010a4 FindFirstChangeNotificationW
 0x4010a8 HeapSize
 0x4010ac InitializeCriticalSectionAndSpinCount
 0x4010b0 MultiByteToWideChar
 0x4010b4 GetCommandLineA
 0x4010b8 GetStartupInfoA
 0x4010bc GetCPInfo
 0x4010c0 InterlockedIncrement
 0x4010c4 InterlockedDecrement
 0x4010c8 GetACP
 0x4010cc GetOEMCP
 0x4010d0 IsValidCodePage
 0x4010d4 TlsGetValue
 0x4010d8 TlsAlloc
 0x4010dc TlsSetValue
 0x4010e0 TlsFree
 0x4010e4 SetLastError
 0x4010e8 GetCurrentThreadId
 0x4010ec TerminateProcess
 0x4010f0 GetCurrentProcess
 0x4010f4 UnhandledExceptionFilter
 0x4010f8 SetUnhandledExceptionFilter
 0x4010fc IsDebuggerPresent
 0x401100 HeapAlloc
 0x401104 HeapFree
 0x401108 RaiseException
 0x40110c Sleep
 0x401110 ExitProcess
 0x401114 WriteFile
 0x401118 GetStdHandle
 0x40111c GetModuleFileNameA
 0x401120 FreeEnvironmentStringsA
 0x401124 GetEnvironmentStrings
 0x401128 FreeEnvironmentStringsW
 0x40112c WideCharToMultiByte
 0x401130 GetEnvironmentStringsW
 0x401134 SetHandleCount
 0x401138 GetFileType
 0x40113c DeleteCriticalSection
 0x401140 HeapCreate
 0x401144 GetTickCount
 0x401148 GetCurrentProcessId
 0x40114c GetSystemTimeAsFileTime
 0x401150 LCMapStringA
 0x401154 LCMapStringW
 0x401158 GetStringTypeA
 0x40115c GetStringTypeW
 0x401160 LeaveCriticalSection
 0x401164 EnterCriticalSection
 0x401168 GetLocaleInfoA
 0x40116c HeapReAlloc
 0x401170 GetModuleHandleA
 0x401174 RtlUnwind
USER32.dll
 0x40117c RegisterClassA
 0x401180 CharLowerBuffW
GDI32.dll
 0x401000 GetCharWidthI
 0x401004 GetCharWidthW
ole32.dll
 0x401190 CoGetPSClsid
WINHTTP.dll
 0x401188 WinHttpOpen

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure