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Report - build.exe

Loki_b Loki_m Gen1 Suspicious_Script_Bin Generic Malware UPX Malicious Library Malicious Packer DGA Socket DNS PWS[m] Http API Internet API ScreenShot Code injection AntiDebug AntiVM OS Processor Check PE File PE32 DLL
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  2. Detailed report
ScreenShot
Created 2023.05.18 09:47 Machine s1_win7_x6403
Filename build.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
8
 Behavior Score
18.8
ZERO API file : malware
VT API (file) 22 detected (AIDetectMalware, Stop, Save, malicious, high confidence, Mokes, Lockbit, high, score, StopCrypt, Sabsik, unsafe, Generic@AI, RDML, lB0mnTjFDtn1t4+O50PDZw, Static AI, Suspicious PE, susgen, confidence, 100%)
md5 c82632236e77359b2aaa32e0cc38cd99
sha256 e69e27dce851bfa86acb2f751f8d28668af08418f9ad2911ec4fe592f7f2ac81
ssdeep 12288:KdfL+IhkzIM+n5BX8mHKBNvpG7mqzEmTVTnXrbsd8cPDMhvQ:Kx+2kUb7/q/GVRTVzXXA7
imphash 5b776df520ace051c45f52eb27a73fee
impfuzzy 48:la6MeJ/cappYOY+fcatGX9thKGvSvZKAu:lfxzjYR+fcyGX9thhvShO
  Network IP location

Signature (40cnts)

Level Description
danger Executed a process and injected code into it
warning File has been identified by 22 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to access Bitcoin/ALTCoin wallets
watch Attempts to create or modify system certificates
watch Checks the CPU name from registry
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Executes one or more WMI queries
watch Harvests credentials from local email clients
watch Harvests credentials from local FTP client softwares
watch Installs itself for autorun at Windows startup
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
watch Uses suspicious command line tools or Windows utilities
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice An executable file was downloaded by the process build.exe
notice Creates executable files on the filesystem
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
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 Queries for potentially installed applications
notice Searches running processes potentially to identify processes for sandbox evasion
notice Sends data using the HTTP POST Method
notice Steals private information from local Internet browsers
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Uses Windows utilities for basic Windows functionality
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername
info Tries to locate where the browsers are installed

Rules (33cnts)

Level Name Description Collection
danger Win32_PWS_Loki_Zero Win32 PWS Loki memory
danger Win32_Trojan_Gen_1_0904B0_Zero Win32 Trojan Emotet binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Suspicious_Obfuscation_Script_2 Suspicious obfuscation script (e.g. executable files) binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch UPX_Zero UPX packed file binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice Network_DGA Communication using DGA memory
notice Network_DNS Communications use DNS memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice ScreenShot Take ScreenShot memory
notice Str_Win32_Http_API Match Windows Http API call memory
notice Str_Win32_Internet_API Match Windows Inet API call memory
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerException__SetConsoleCtrl (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (18cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://colisumy.com/dl/build2.exe
whois
AR Techtel LMDS Comunicaciones Interactivas S.A. 186.182.55.44 31026 malware
http://zexeq.com/raud/get.php?pid=06280D9CD13939E9B7E95CDCAA6A83CC&first=true
whois
KR SK Broadband Co Ltd 222.236.49.124 31029 mailcious
http://116.203.165.188/9dfa7ee730fa2f1efb5ed51dbbec22f5
whois
DE Hetzner Online GmbH 116.203.165.188 clean
http://116.203.165.188/
whois
DE Hetzner Online GmbH 116.203.165.188 clean
http://zexeq.com/files/1/build3.exe
whois
KR SK Broadband Co Ltd 222.236.49.124 27913 malware
http://116.203.165.188/config.zip
whois
DE Hetzner Online GmbH 116.203.165.188 clean
https://steamcommunity.com/profiles/76561199263069598
whois
US AKAMAI-AS 23.37.146.163 32753 mailcious
t.me
whois
GB Telegram Messenger Inc 149.154.167.99 mailcious
colisumy.com
whois
KR SK Broadband Co Ltd 175.119.10.231 malware
api.2ip.ua
whois
CA ACP 162.0.217.254 clean
steamcommunity.com
whois
US SHAW 69.192.92.139 mailcious
zexeq.com
whois
MX Uninet S.A. de C.V. 201.124.218.111 malware
149.154.167.99
whois
GB Telegram Messenger Inc 149.154.167.99 mailcious
23.37.146.163
whois
US AKAMAI-AS 23.37.146.163 clean
123.140.161.243
whois
KR LG DACOM Corporation 123.140.161.243 mailcious
162.0.217.254
whois
CA ACP 162.0.217.254 clean
116.203.165.188
whois
DE Hetzner Online GmbH 116.203.165.188 clean
222.236.49.124
whois
KR SK Broadband Co Ltd 222.236.49.124 clean

Suricata ids

ET POLICY External IP Address Lookup DNS Query (2ip .ua)
ET INFO TLS Handshake Failure
ET INFO Observed External IP Lookup Domain (api .2ip .ua in TLS SNI)
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET USER_AGENTS Suspicious User Agent (Microsoft Internet Explorer)
ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key
ET MALWARE Win32/Filecoder.STOP Variant Public Key Download
ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
ET MALWARE Win32/Vodkagats Loader Requesting Payload
ET INFO Observed Telegram Domain (t .me in TLS SNI)
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Dotted Quad Host ZIP Request

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x401000 SearchPathW
 0x401004 EnumCalendarInfoA
 0x401008 GetDriveTypeW
 0x40100c GetConsoleAliasExesLengthA
 0x401010 InterlockedIncrement
 0x401014 InterlockedDecrement
 0x401018 HeapFree
 0x40101c FreeEnvironmentStringsA
 0x401020 MoveFileWithProgressA
 0x401024 GetTickCount
 0x401028 GetSystemTimeAsFileTime
 0x40102c EnumTimeFormatsA
 0x401030 SetProcessPriorityBoost
 0x401034 GetVolumePathNameW
 0x401038 GlobalAlloc
 0x40103c GetPrivateProfileIntA
 0x401040 AddRefActCtx
 0x401044 LoadLibraryW
 0x401048 IsProcessInJob
 0x40104c GetCalendarInfoA
 0x401050 InitAtomTable
 0x401054 GetFileAttributesW
 0x401058 CompareStringW
 0x40105c MultiByteToWideChar
 0x401060 GetStringTypeExA
 0x401064 GetProfileIntA
 0x401068 GetLastError
 0x40106c GetCurrentDirectoryW
 0x401070 GetProcAddress
 0x401074 SetComputerNameA
 0x401078 WriteConsoleA
 0x40107c SetCalendarInfoW
 0x401080 AddAtomW
 0x401084 RemoveDirectoryW
 0x401088 SetFileApisToANSI
 0x40108c BeginUpdateResourceA
 0x401090 GetModuleFileNameA
 0x401094 FindFirstVolumeMountPointA
 0x401098 CreateIoCompletionPort
 0x40109c GetModuleHandleA
 0x4010a0 lstrcatW
 0x4010a4 FreeEnvironmentStringsW
 0x4010a8 FindNextFileW
 0x4010ac FileTimeToLocalFileTime
 0x4010b0 GetVolumeNameForVolumeMountPointW
 0x4010b4 DeleteFileW
 0x4010b8 EnumSystemLocalesW
 0x4010bc CloseHandle
 0x4010c0 WriteConsoleW
 0x4010c4 EncodePointer
 0x4010c8 DecodePointer
 0x4010cc Sleep
 0x4010d0 InitializeCriticalSection
 0x4010d4 DeleteCriticalSection
 0x4010d8 EnterCriticalSection
 0x4010dc LeaveCriticalSection
 0x4010e0 MoveFileA
 0x4010e4 GetCommandLineA
 0x4010e8 HeapSetInformation
 0x4010ec GetStartupInfoW
 0x4010f0 RaiseException
 0x4010f4 RtlUnwind
 0x4010f8 HeapAlloc
 0x4010fc WideCharToMultiByte
 0x401100 LCMapStringW
 0x401104 GetCPInfo
 0x401108 GetModuleHandleW
 0x40110c ExitProcess
 0x401110 UnhandledExceptionFilter
 0x401114 SetUnhandledExceptionFilter
 0x401118 IsDebuggerPresent
 0x40111c TerminateProcess
 0x401120 GetCurrentProcess
 0x401124 IsProcessorFeaturePresent
 0x401128 HeapCreate
 0x40112c SetFilePointer
 0x401130 SetHandleCount
 0x401134 GetStdHandle
 0x401138 InitializeCriticalSectionAndSpinCount
 0x40113c GetFileType
 0x401140 WriteFile
 0x401144 GetModuleFileNameW
 0x401148 GetEnvironmentStringsW
 0x40114c TlsAlloc
 0x401150 TlsGetValue
 0x401154 TlsSetValue
 0x401158 TlsFree
 0x40115c SetLastError
 0x401160 GetCurrentThreadId
 0x401164 QueryPerformanceCounter
 0x401168 GetCurrentProcessId
 0x40116c GetLocaleInfoW
 0x401170 HeapSize
 0x401174 GetACP
 0x401178 GetOEMCP
 0x40117c IsValidCodePage
 0x401180 GetUserDefaultLCID
 0x401184 GetLocaleInfoA
 0x401188 EnumSystemLocalesA
 0x40118c IsValidLocale
 0x401190 GetStringTypeW
 0x401194 HeapReAlloc
 0x401198 SetStdHandle
 0x40119c GetConsoleCP
 0x4011a0 GetConsoleMode
 0x4011a4 FlushFileBuffers
 0x4011a8 CreateFileW
USER32.dll
 0x4011b0 DefDlgProcW

EAT(Export Address Table) is none


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