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Report - f2e7fcb20146.exe#sp_sl

Stealc Client SW User Data Stealer Gen1 ftp Client info stealer Generic Malware Malicious Library UPX Http API PWS HTTP Internet API AntiDebug AntiVM PE File PE32 OS Processor Check
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  2. Detailed report
ScreenShot
Created 2024.10.05 11:35 Machine s1_win7_x6401
Filename f2e7fcb20146.exe#sp_sl
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
6
 Behavior Score
12.6
ZERO API file : malware
VT API (file)
md5 6960d771032d4682cbdbd83b35772731
sha256 b27749d4e96cd9233f5c8ec3672ef6497df73ccd5950b69a50f41647ec7c698b
ssdeep 12288:p2eflg/ev2ju094PfhyFZVIxId52dRvVQEwqxD4sP:pHc4U9yh4VIvD7VR
imphash 76c28592e04b2b2bb1f52b3aac6a5c55
impfuzzy 24:jkcpVWZttlS1wGhlJBl3eDoLouDZVv5GMAkpOovbOPZG:AcpVettlS1wGnpXlZdk3w
  Network IP location

Signature (27cnts)

Level Description
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Checks the CPU name from registry
watch Code injection by writing an executable or DLL to the memory of another process
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 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 An executable file was downloaded by the process msbuild.exe
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 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 Yara rule detected in process memory
info Checks amount of memory in system
info One or more processes crashed
info Queries for the computername
info Tries to locate where the browsers are installed

Rules (21cnts)

Level Name Description Collection
danger Client_SW_User_Data_Stealer Client_SW_User_Data_Stealer memory
danger Win32_Trojan_Gen_1_0904B0_Zero Win32 Trojan Emotet binaries (upload)
warning Generic_Malware_Zero Generic Malware binaries (upload)
warning infoStealer_ftpClients_Zero ftp clients info stealer memory
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory memory
notice Network_HTTP Communications over HTTP 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 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 (10cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://46.8.231.109/1309cdeb8f4c8736/nss3.dll
whois
RU LLC trc Fiord 46.8.231.109 clean
http://46.8.231.109/1309cdeb8f4c8736/msvcp140.dll
whois
RU LLC trc Fiord 46.8.231.109 clean
http://46.8.231.109/1309cdeb8f4c8736/sqlite3.dll
whois
RU LLC trc Fiord 46.8.231.109 clean
http://46.8.231.109/c4754d4f680ead72.php
whois
RU LLC trc Fiord 46.8.231.109 42211 mailcious
http://46.8.231.109/1309cdeb8f4c8736/vcruntime140.dll
whois
RU LLC trc Fiord 46.8.231.109 clean
http://46.8.231.109/1309cdeb8f4c8736/softokn3.dll
whois
RU LLC trc Fiord 46.8.231.109 clean
http://46.8.231.109/1309cdeb8f4c8736/mozglue.dll
whois
RU LLC trc Fiord 46.8.231.109 clean
http://46.8.231.109/
whois
RU LLC trc Fiord 46.8.231.109 42142 mailcious
http://46.8.231.109/1309cdeb8f4c8736/freebl3.dll
whois
RU LLC trc Fiord 46.8.231.109 clean
46.8.231.109
whois
RU LLC trc Fiord 46.8.231.109 mailcious

Suricata ids

ET MALWARE [SEKOIA.IO] Win32/Stealc C2 Check-in
ET MALWARE Win32/Stealc Requesting browsers Config from C2
ET MALWARE Win32/Stealc Active C2 Responding with browsers Config M1
ET MALWARE Win32/Stealc Requesting plugins Config from C2
ET MALWARE Win32/Stealc/Vidar Stealer Active C2 Responding with plugins Config M1
ET INFO Dotted Quad Host DLL Request
ET HUNTING HTTP GET Request for freebl3.dll - Possible Infostealer Activity
ET MALWARE Win32/Stealc Submitting System Information to C2
ET HUNTING HTTP GET Request for sqlite3.dll - Possible Infostealer Activity
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING HTTP GET Request for mozglue.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for nss3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for softokn3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for vcruntime140.dll - Possible Infostealer Activity

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x41e000 GetConsoleWindow
 0x41e004 MultiByteToWideChar
 0x41e008 GetStringTypeW
 0x41e00c WideCharToMultiByte
 0x41e010 EnterCriticalSection
 0x41e014 LeaveCriticalSection
 0x41e018 InitializeCriticalSectionEx
 0x41e01c DeleteCriticalSection
 0x41e020 EncodePointer
 0x41e024 DecodePointer
 0x41e028 LCMapStringEx
 0x41e02c GetCPInfo
 0x41e030 IsProcessorFeaturePresent
 0x41e034 UnhandledExceptionFilter
 0x41e038 SetUnhandledExceptionFilter
 0x41e03c GetCurrentProcess
 0x41e040 TerminateProcess
 0x41e044 QueryPerformanceCounter
 0x41e048 GetCurrentProcessId
 0x41e04c GetCurrentThreadId
 0x41e050 GetSystemTimeAsFileTime
 0x41e054 InitializeSListHead
 0x41e058 IsDebuggerPresent
 0x41e05c GetStartupInfoW
 0x41e060 GetModuleHandleW
 0x41e064 CreateFileW
 0x41e068 RaiseException
 0x41e06c RtlUnwind
 0x41e070 GetLastError
 0x41e074 SetLastError
 0x41e078 InitializeCriticalSectionAndSpinCount
 0x41e07c TlsAlloc
 0x41e080 TlsGetValue
 0x41e084 TlsSetValue
 0x41e088 TlsFree
 0x41e08c FreeLibrary
 0x41e090 GetProcAddress
 0x41e094 LoadLibraryExW
 0x41e098 GetStdHandle
 0x41e09c WriteFile
 0x41e0a0 GetModuleFileNameW
 0x41e0a4 ExitProcess
 0x41e0a8 GetModuleHandleExW
 0x41e0ac HeapFree
 0x41e0b0 LCMapStringW
 0x41e0b4 GetLocaleInfoW
 0x41e0b8 IsValidLocale
 0x41e0bc GetUserDefaultLCID
 0x41e0c0 EnumSystemLocalesW
 0x41e0c4 HeapAlloc
 0x41e0c8 GetFileType
 0x41e0cc CloseHandle
 0x41e0d0 FlushFileBuffers
 0x41e0d4 GetConsoleOutputCP
 0x41e0d8 GetConsoleMode
 0x41e0dc ReadFile
 0x41e0e0 GetFileSizeEx
 0x41e0e4 SetFilePointerEx
 0x41e0e8 ReadConsoleW
 0x41e0ec HeapReAlloc
 0x41e0f0 FindClose
 0x41e0f4 FindFirstFileExW
 0x41e0f8 FindNextFileW
 0x41e0fc IsValidCodePage
 0x41e100 GetACP
 0x41e104 GetOEMCP
 0x41e108 GetCommandLineA
 0x41e10c GetCommandLineW
 0x41e110 GetEnvironmentStringsW
 0x41e114 FreeEnvironmentStringsW
 0x41e118 SetStdHandle
 0x41e11c GetProcessHeap
 0x41e120 HeapSize
 0x41e124 WriteConsoleW

EAT(Export Address Table) is none


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