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Windows
Analysis Report
file.exe
Overview
General Information
| Sample name: | file.exe |
| Analysis ID: | 1565518 |
| MD5: | 27a3277f6daec8e2369a88cea407fb46 |
| SHA1: | c7da43b9bc1a51aa28cda592d8266e17057ab6b7 |
| SHA256: | ba82209b941924aeb6196fac31a5e2d13193f49be26163683bf29a293b3fcec0 |
| Tags: | exeuser-Bitsight |
| Infos: |   |
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Detection
Amadey, Credential Flusher, LummaC Stealer, Stealc
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Found malware configuration
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Amadeys stealer DLL
Yara detected AntiVM3
Yara detected Credential Flusher
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies windows update settings
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Costura Assembly Loader
AV process strings found (often used to terminate AV products)
Allocates memory with a write watch (potentially for evading sandboxes)
Checks for debuggers (devices)
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Checks if the current process is being debugged
Connects to many different domains
Contains capabilities to detect virtual machines
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to call native functions
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Creates job files (autostart)
Detected potential crypto function
Downloads executable code via HTTP
Drops PE files
Enables debug privileges
Entry point lies outside standard sections
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found inlined nop instructions (likely shell or obfuscated code)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
One or more processes crash
PE file contains an invalid checksum
PE file contains sections with non-standard names
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Searches for user specific document files
Sigma detected: CurrentVersion Autorun Keys Modification
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Uses taskkill to terminate processes
Yara detected Credential Stealer
Classification
- System is w10x64
file.exe (PID: 7412 cmdline: "C:\Users\ user\Deskt op\file.ex e" MD5: 27A3277F6DAEC8E2369A88CEA407FB46) - skotes.exe (PID: 7572 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\abc3bc 1985\skote s.exe" MD5: 27A3277F6DAEC8E2369A88CEA407FB46)
- skotes.exe (PID: 7696 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\abc3bc1 985\skotes .exe MD5: 27A3277F6DAEC8E2369A88CEA407FB46)
- skotes.exe (PID: 2312 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\abc3bc1 985\skotes .exe MD5: 27A3277F6DAEC8E2369A88CEA407FB46) SxQyhJr.exe (PID: 7396 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\101048 0001\SxQyh Jr.exe" MD5: 0F325C99B7B2585A266CF50D88F134C8) - AppLaunch.exe (PID: 2720 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\App Launch.exe " MD5: 89D41E1CF478A3D3C2C701A27A5692B2) 
WerFault.exe (PID: 7516 cmdline: C:\Windows \SysWOW64\ WerFault.e xe -u -p 2 720 -s 114 8 MD5: C31336C1EFC2CCB44B4326EA793040F2) - a6f0d09f38.exe (PID: 7620 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\101048 1001\a6f0d 09f38.exe" MD5: A9A9F7A7B9ED25C8DF3E4676A11593F3) - b5da647ae3.exe (PID: 5500 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\101048 2001\b5da6 47ae3.exe" MD5: BB0C42D0421512D8F7796F5253543456) 
6e1fbaaba5.exe (PID: 7984 cmdline: "C:\Users\ user\AppDa ta\Local\T emp\101048 3001\6e1fb aaba5.exe" MD5: 0D9D9AC3AED513438004818F468DE528) - taskkill.exe (PID: 7992 cmdline:
taskkill / F /IM fire fox.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) 
conhost.exe (PID: 8024 cmdline: C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - taskkill.exe (PID: 1028 cmdline:
taskkill / F /IM chro me.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) - conhost.exe (PID: 8060 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - taskkill.exe (PID: 8080 cmdline:
taskkill / F /IM msed ge.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) - conhost.exe (PID: 8052 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - taskkill.exe (PID: 4960 cmdline:
taskkill / F /IM oper a.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) - conhost.exe (PID: 6020 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - taskkill.exe (PID: 6840 cmdline:
taskkill / F /IM brav e.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) - conhost.exe (PID: 8124 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) 
firefox.exe (PID: 6984 cmdline: "C:\Progra m Files\Mo zilla Fire fox\firefo x.exe" --k iosk "http s://youtub e.com/acco unt?=https ://account s.google.c om/v3/sign in/challen ge/pwd" -- no-default -browser-c heck --dis able-popup -blocking MD5: C86B1BE9ED6496FE0E0CBE73F81D8045) - 8b82d73f70.exe (PID: 6920 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\101048 4001\8b82d 73f70.exe" MD5: 47AA764406BA64383AC50E4101F34474) - 98a7b9f337.exe (PID: 3520 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\101048 5001\98a7b 9f337.exe" MD5: 52FCB84B6A36A8E28A1B56F2603EDF23)
- firefox.exe (PID: 6752 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\firefo x.exe" --k iosk https ://youtube .com/accou nt?=https: //accounts .google.co m/v3/signi n/challeng e/pwd --no -default-b rowser-che ck --disab le-popup-b locking -- attempting -deelevati on MD5: C86B1BE9ED6496FE0E0CBE73F81D8045) - firefox.exe (PID: 8136 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\firefo x.exe" --k iosk https ://youtube .com/accou nt?=https: //accounts .google.co m/v3/signi n/challeng e/pwd --no -default-b rowser-che ck --disab le-popup-b locking MD5: C86B1BE9ED6496FE0E0CBE73F81D8045) - firefox.exe (PID: 2324 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\firefo x.exe" -co ntentproc --channel= 2296 -pare ntBuildID 2023092723 2528 -pref sHandle 22 44 -prefMa pHandle 22 36 -prefsL en 25359 - prefMapSiz e 237879 - win32kLock edDown -ap pDir "C:\P rogram Fil es\Mozilla Firefox\b rowser" - {91716696- 7f11-4900- 9d33-9e5d0 96728d3} 8 136 "\\.\p ipe\gecko- crash-serv er-pipe.81 36" 1dedeb 6d310 sock et MD5: C86B1BE9ED6496FE0E0CBE73F81D8045) - firefox.exe (PID: 1852 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\firefo x.exe" -co ntentproc --channel= 4160 -pare ntBuildID 2023092723 2528 -pref sHandle 39 08 -prefMa pHandle 39 12 -prefsL en 26208 - prefMapSiz e 237879 - appDir "C: \Program F iles\Mozil la Firefox \browser" - {3dd5034 5-4e1a-4a0 d-ac3a-34b dbd555491} 8136 "\\. \pipe\geck o-crash-se rver-pipe. 8136" 1ded eb43510 rd d MD5: C86B1BE9ED6496FE0E0CBE73F81D8045)