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Report - build.exe

PWS Loki[b] Loki[m] AgentTesla Gen1 RedLine Stealer browser info stealer UPX Malicious Packer DGA DNS Socket Http API Internet API ScreenShot AntiDebug AntiVM PE File OS Processor Check PE32 DLL JPEG Format
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ScreenShot
Created 2021.07.19 10:55 Machine s1_win7_x6402
Filename build.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
3
 Behavior Score
20.2
ZERO API file : malware
VT API (file) 25 detected (malicious, high confidence, Unsafe, Save, Kryptik, Eldorado, Attribute, HighConfidence, FileRepMalware, StopCrypt, score, MachineLearning, Anomalous, Static AI, Malicious PE, GenKryptik, ERHN, susgen, confidence, 100%, QVM10)
md5 e6bf9a1d8f14d2e1f07976f93dfc554e
sha256 20678f2e7e17e41244136f05f81ac066025b0575f4b34963ae4131cff9467602
ssdeep 12288:/CtcEB57sSlLMnZhPjDeFNFVdKhevnbfgy4:VEDTNmVjDYVdKhevbfgy4
imphash 52c37101f2973085af5ed972e3b0d2d3
impfuzzy 48:k3u2trZ1TOFwLUYkvbdNp07Bk9t8JofvwTcfhI:k33trZpLjuB09k9tAofvccfhI
  Network IP location

Signature (45cnts)

Level Description
danger Executed a process and injected code into it
warning File has been identified by 25 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 Checks the CPU name from registry
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
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 processes build.exe
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
notice Executes one or more WMI queries
notice Foreign language identified in PE resource
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 Resolves a suspicious Top Level Domain (TLD)
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 Terminates another process
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 This executable has a PDB path
info Tries to locate where the browsers are installed

Rules (31cnts)

Level Name Description Collection
danger RedLine_Stealer_Zero RedLine stealer binaries (download)
danger Win32_PWS_Loki_Zero Win32 PWS Loki memory
danger Win32_Trojan_Gen_1_0904B0_Zero Win32 Trojan Emotet binaries (download)
warning infoStealer_browser_Zero browser info stealer memory
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 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 JPEG_Format_Zero JPEG Format binaries (download)
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
info Win_Trojan_agentTesla_Zero Win.Trojan.agentTesla memory

Network (20cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://116.202.183.50/mozglue.dll
whois
DE Hetzner Online GmbH 116.202.183.50 clean
http://116.202.183.50/nss3.dll
whois
DE Hetzner Online GmbH 116.202.183.50 clean
http://116.202.183.50/vcruntime140.dll
whois
DE Hetzner Online GmbH 116.202.183.50 clean
http://116.202.183.50/
whois
DE Hetzner Online GmbH 116.202.183.50 2743 mailcious
http://securebiz.org/dl/build2.exe
whois
KR LG DACOM Corporation 211.170.70.236 malware
http://116.202.183.50/softokn3.dll
whois
DE Hetzner Online GmbH 116.202.183.50 clean
http://astdg.top/nddddhsspen6/get.php?pid=CD20CF071BA7C05D5F5E6CAF42496E78&first=true
whois
KR SK Broadband Co Ltd 58.228.68.101 2546 mailcious
http://116.202.183.50/msvcp140.dll
whois
DE Hetzner Online GmbH 116.202.183.50 clean
http://116.202.183.50/517
whois
DE Hetzner Online GmbH 116.202.183.50 2744 mailcious
http://116.202.183.50/freebl3.dll
whois
DE Hetzner Online GmbH 116.202.183.50 clean
https://sslamlssa1.tumblr.com/
whois
CA AUTOMATTIC 74.114.154.22 2745 mailcious
sslamlssa1.tumblr.com
whois
CA AUTOMATTIC 74.114.154.22 mailcious
astdg.top
whois
KR LG DACOM Corporation 211.170.70.237 mailcious
api.2ip.ua
whois
UA Volia 77.123.139.190 clean
securebiz.org
whois
MX Uninet S.A. de C.V. 187.212.182.122 malware
77.123.139.190
whois
UA Volia 77.123.139.190 clean
115.91.217.231
whois
KR LG DACOM Corporation 115.91.217.231 clean
74.114.154.22
whois
CA AUTOMATTIC 74.114.154.22 mailcious
61.36.14.230
whois
KR LG DACOM Corporation 61.36.14.230 clean
116.202.183.50
whois
DE Hetzner Online GmbH 116.202.183.50 mailcious

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 INFO Dotted Quad Host DLL Request
ET USER_AGENTS Suspicious User Agent (Microsoft Internet Explorer)
ET DNS Query to a *.top domain - Likely Hostile
ET POLICY PE EXE or DLL Windows file download HTTP
ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
ET INFO HTTP Request to a *.top domain
ET MALWARE Vidar/Arkei Stealer Client Data Upload
ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x401000 InterlockedPopEntrySList
 0x401004 EnumDateFormatsW
 0x401008 LeaveCriticalSection
 0x40100c GetConsoleAliasesLengthA
 0x401010 CreateTapePartition
 0x401014 GetLongPathNameW
 0x401018 GetUserDefaultLangID
 0x40101c AddRefActCtx
 0x401020 GetCPInfoExA
 0x401024 WriteConsoleInputW
 0x401028 ReadConsoleInputW
 0x40102c GetTapeParameters
 0x401030 WaitCommEvent
 0x401034 GetNumaNodeProcessorMask
 0x401038 GetConsoleCP
 0x40103c VerifyVersionInfoA
 0x401040 WaitNamedPipeW
 0x401044 CreateMutexA
 0x401048 WriteConsoleW
 0x40104c GetLastError
 0x401050 CreateFileA
 0x401054 DeleteFileW
 0x401058 WritePrivateProfileSectionA
 0x40105c GetPrivateProfileSectionW
 0x401060 EnumDateFormatsExW
 0x401064 SetStdHandle
 0x401068 LoadLibraryW
 0x40106c IsDebuggerPresent
 0x401070 FindFirstVolumeW
 0x401074 WriteFile
 0x401078 BuildCommDCBW
 0x40107c FindActCtxSectionStringW
 0x401080 VerLanguageNameW
 0x401084 AreFileApisANSI
 0x401088 WriteProcessMemory
 0x40108c RequestWakeupLatency
 0x401090 PeekConsoleInputA
 0x401094 SetEvent
 0x401098 IsBadReadPtr
 0x40109c Sleep
 0x4010a0 WaitForSingleObject
 0x4010a4 LoadResource
 0x4010a8 GetCPInfo
 0x4010ac FreeConsole
 0x4010b0 SetConsoleCtrlHandler
 0x4010b4 SetConsoleTitleW
 0x4010b8 GetCurrentConsoleFont
 0x4010bc SetConsoleTextAttribute
 0x4010c0 AttachConsole
 0x4010c4 GetConsoleAliasesLengthW
 0x4010c8 ReadConsoleA
 0x4010cc ReadConsoleOutputW
 0x4010d0 GetSystemWindowsDirectoryW
 0x4010d4 GetStringTypeW
 0x4010d8 BuildCommDCBAndTimeoutsW
 0x4010dc HeapUnlock
 0x4010e0 HeapLock
 0x4010e4 GetAtomNameW
 0x4010e8 HeapReAlloc
 0x4010ec HeapCompact
 0x4010f0 GetGeoInfoW
 0x4010f4 GetCurrentProcess
 0x4010f8 GetProcAddress
 0x4010fc GetModuleHandleA
 0x401100 CreateThread
 0x401104 GetVersionExW
 0x401108 GetOEMCP
 0x40110c WaitForMultipleObjects
 0x401110 VerifyVersionInfoW
 0x401114 WriteConsoleOutputCharacterA
 0x401118 LocalAlloc
 0x40111c SetMailslotInfo
 0x401120 GetCPInfoExW
 0x401124 SetEnvironmentVariableW
 0x401128 SetCalendarInfoA
 0x40112c GetComputerNameW
 0x401130 GetConsoleWindow
 0x401134 PostQueuedCompletionStatus
 0x401138 SetFileApisToOEM
 0x40113c GetStringTypeA
 0x401140 HeapSize
 0x401144 GetDiskFreeSpaceA
 0x401148 GetModuleHandleW
 0x40114c ExitProcess
 0x401150 UnhandledExceptionFilter
 0x401154 SetUnhandledExceptionFilter
 0x401158 GetCommandLineA
 0x40115c GetStartupInfoA
 0x401160 HeapAlloc
 0x401164 TlsGetValue
 0x401168 TlsAlloc
 0x40116c TlsSetValue
 0x401170 TlsFree
 0x401174 InterlockedIncrement
 0x401178 SetLastError
 0x40117c GetCurrentThreadId
 0x401180 InterlockedDecrement
 0x401184 GetStdHandle
 0x401188 GetModuleFileNameA
 0x40118c DeleteCriticalSection
 0x401190 EnterCriticalSection
 0x401194 TerminateProcess
 0x401198 LoadLibraryA
 0x40119c InitializeCriticalSectionAndSpinCount
 0x4011a0 SetFilePointer
 0x4011a4 SetHandleCount
 0x4011a8 GetFileType
 0x4011ac FreeEnvironmentStringsA
 0x4011b0 GetEnvironmentStrings
 0x4011b4 FreeEnvironmentStringsW
 0x4011b8 WideCharToMultiByte
 0x4011bc GetEnvironmentStringsW
 0x4011c0 HeapCreate
 0x4011c4 VirtualFree
 0x4011c8 HeapFree
 0x4011cc QueryPerformanceCounter
 0x4011d0 GetTickCount
 0x4011d4 GetCurrentProcessId
 0x4011d8 GetSystemTimeAsFileTime
 0x4011dc VirtualAlloc
 0x4011e0 GetACP
 0x4011e4 IsValidCodePage
 0x4011e8 RtlUnwind
 0x4011ec GetLocaleInfoA
 0x4011f0 GetConsoleMode
 0x4011f4 FlushFileBuffers
 0x4011f8 MultiByteToWideChar
 0x4011fc LCMapStringA
 0x401200 LCMapStringW
 0x401204 WriteConsoleA
 0x401208 GetConsoleOutputCP
 0x40120c CloseHandle

EAT(Export Address Table) Library

0x493800 @GetSecondVice@0

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