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Windows
Analysis Report
file.exe
Overview
General Information
Detection
Credential Flusher
Score: | 64 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Yara detected Credential Flusher
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Machine Learning detection for sample
Connects to many different domains
Contains functionality for execution timing, often used to detect debuggers
Contains functionality for read data from the clipboard
Contains functionality to block mouse and keyboard input (often used to hinder debugging)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to communicate with device drivers
Contains functionality to dynamically determine API calls
Contains functionality to execute programs as a different user
Contains functionality to launch a process as a different user
Contains functionality to launch a program with higher privileges
Contains functionality to modify clipboard data
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate keystroke presses
Contains functionality to simulate mouse events
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Detected potential crypto function
Drops PE files
Enables debug privileges
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
OS version to string mapping found (often used in BOTs)
PE file contains sections with non-standard names
Potential key logger detected (key state polling based)
Sample execution stops while process was sleeping (likely an evasion)
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Uses taskkill to terminate processes
Classification
- System is w10x64
- file.exe (PID: 6948 cmdline:
"C:\Users\ user\Deskt op\file.ex e" MD5: 89DD8A448515DCC941C852EA2F54D652) - taskkill.exe (PID: 4844 cmdline:
taskkill / F /IM fire fox.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) - conhost.exe (PID: 1516 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - taskkill.exe (PID: 984 cmdline:
taskkill / F /IM chro me.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) - conhost.exe (PID: 4592 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - taskkill.exe (PID: 1440 cmdline:
taskkill / F /IM msed ge.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) - conhost.exe (PID: 432 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - taskkill.exe (PID: 6632 cmdline:
taskkill / F /IM oper a.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) - conhost.exe (PID: 7088 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - taskkill.exe (PID: 6548 cmdline:
taskkill / F /IM brav e.exe /T MD5: CA313FD7E6C2A778FFD21CFB5C1C56CD) - conhost.exe (PID: 6688 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - firefox.exe (PID: 6728 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)
- firefox.exe (PID: 5036 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: 3920 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: 3176 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\firefo x.exe" -co ntentproc --channel= 2184 -pare ntBuildID 2023092723 2528 -pref sHandle 21 28 -prefMa pHandle 21 20 -prefsL en 25308 - prefMapSiz e 237879 - win32kLock edDown -ap pDir "C:\P rogram Fil es\Mozilla Firefox\b rowser" - {ed1a580a- f66e-4919- 9609-aeed2 be66e0b} 3 920 "\\.\p ipe\gecko- crash-serv er-pipe.39 20" 20c58b 6f710 sock et MD5: C86B1BE9ED6496FE0E0CBE73F81D8045) - firefox.exe (PID: 7656 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\firefo x.exe" -co ntentproc --channel= 3728 -pare ntBuildID 2023092723 2528 -pref sHandle 40 12 -prefMa pHandle 37 00 -prefsL en 26395 - prefMapSiz e 237879 - appDir "C: \Program F iles\Mozil la Firefox \browser" - {dd08fa8 1-ebde-40a b-88fb-74e 4bf2085ce} 3920 "\\. \pipe\geck o-crash-se rver-pipe. 3920" 20c7 04da910 rd d MD5: C86B1BE9ED6496FE0E0CBE73F81D8045) - firefox.exe (PID: 8124 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\firefo x.exe" -co ntentproc --channel= 4948 -pare ntBuildID 2023092723 2528 -sand boxingKind 0 -prefsH andle 5032 -prefMapH andle 5028 -prefsLen 33119 -pr efMapSize 237879 -wi n32kLocked Down -appD ir "C:\Pro gram Files \Mozilla F irefox\bro wser" - {5 59a0b05-97 a8-4031-b5 ef-464ac3f 9e4d4} 392 0 "\\.\pip e\gecko-cr ash-server -pipe.3920 " 20c69f72 f10 utilit y MD5: C86B1BE9ED6496FE0E0CBE73F81D8045)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CredentialFlusher | Yara detected Credential Flusher | Joe Security |
⊘No Sigma rule has matched
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: |
Source: | Static PE information: |
Source: | HTTPS traffic detected: | ||
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Source: | Code function: | 0_2_003FDBBE | |
Source: | Code function: | 0_2_003CC2A2 | |
Source: | Code function: | 0_2_004068EE | |
Source: | Code function: | 0_2_0040698F | |
Source: | Code function: | 0_2_003FD076 | |
Source: | Code function: | 0_2_003FD3A9 | |
Source: | Code function: | 0_2_00409642 | |
Source: | Code function: | 0_2_0040979D | |
Source: | Code function: | 0_2_00409B2B | |
Source: | Code function: | 0_2_00405C97 |
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Source: | Code function: | 0_2_0040CE44 |
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