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Windows
Analysis Report
Bestellung - 021224 - 901003637.exe
Overview
General Information
Detection
Quasar
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
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected Quasar RAT
.NET source code contains potential unpacker
AI detected suspicious sample
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Abnormal high CPU Usage
Allocates memory with a write watch (potentially for evading sandboxes)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Drops PE files
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
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 check the online IP address of the machine
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
PE / OLE file has an invalid certificate
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive processor information (via WMI, Win32_Processor, 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)
Sample file is different than original file name gathered from version info
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Add Scheduled Task Parent
Sigma detected: Suspicious Schtasks From Env Var Folder
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64
- Bestellung - 021224 - 901003637.exe (PID: 6052 cmdline:
"C:\Users\ user\Deskt op\Bestell ung - 0212 24 - 90100 3637.exe" MD5: 15F259B30EC72A5217144834F7F5B564) - powershell.exe (PID: 5364 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" Add-MpPref erence -Ex clusionPat h "C:\User s\user\Des ktop\Beste llung - 02 1224 - 901 003637.exe " MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 4620 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 1824 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" Add-MpPref erence -Ex clusionPat h "C:\User s\user\App Data\Roami ng\eNuXmIw kixzW.exe" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 1984 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - schtasks.exe (PID: 7128 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\eNuX mIwkixzW" /XML "C:\U sers\user\ AppData\Lo cal\Temp\t mpB9B7.tmp " MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 3116 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - Bestellung - 021224 - 901003637.exe (PID: 2288 cmdline:
"C:\Users\ user\Deskt op\Bestell ung - 0212 24 - 90100 3637.exe" MD5: 15F259B30EC72A5217144834F7F5B564) - schtasks.exe (PID: 4032 cmdline:
"schtasks" /create / tn "Outloo ks" /sc ON LOGON /tr "C:\Users\ user\AppDa ta\Roaming \WindowsUp dates\outl ooks.exe" /rl HIGHES T /f MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 5576 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - outlooks.exe (PID: 3648 cmdline:
"C:\Users\ user\AppDa ta\Roaming \WindowsUp dates\outl ooks.exe" MD5: 15F259B30EC72A5217144834F7F5B564) - powershell.exe (PID: 3116 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" Add-MpPref erence -Ex clusionPat h "C:\User s\user\App Data\Roami ng\Windows Updates\ou tlooks.exe " MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 5288 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 1568 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" Add-MpPref erence -Ex clusionPat h "C:\User s\user\App Data\Roami ng\eNuXmIw kixzW.exe" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 3352 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - schtasks.exe (PID: 1296 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\eNuX mIwkixzW" /XML "C:\U sers\user\ AppData\Lo cal\Temp\t mpD780.tmp " MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 1868 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - outlooks.exe (PID: 6088 cmdline:
"C:\Users\ user\AppDa ta\Roaming \WindowsUp dates\outl ooks.exe" MD5: 15F259B30EC72A5217144834F7F5B564) - schtasks.exe (PID: 2056 cmdline:
"schtasks" /create / tn "Outloo ks" /sc ON LOGON /tr "C:\Users\ user\AppDa ta\Roaming \WindowsUp dates\outl ooks.exe" /rl HIGHES T /f MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 3848 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- eNuXmIwkixzW.exe (PID: 3020 cmdline:
C:\Users\u ser\AppDat a\Roaming\ eNuXmIwkix zW.exe MD5: 15F259B30EC72A5217144834F7F5B564) - schtasks.exe (PID: 3392 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\eNuX mIwkixzW" /XML "C:\U sers\user\ AppData\Lo cal\Temp\t mp314.tmp" MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 4480 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - eNuXmIwkixzW.exe (PID: 4820 cmdline:
"C:\Users\ user\AppDa ta\Roaming \eNuXmIwki xzW.exe" MD5: 15F259B30EC72A5217144834F7F5B564)
- outlooks.exe (PID: 4936 cmdline:
C:\Users\u ser\AppDat a\Roaming\ WindowsUpd ates\outlo oks.exe MD5: 15F259B30EC72A5217144834F7F5B564) - powershell.exe (PID: 792 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" Add-MpPref erence -Ex clusionPat h "C:\User s\user\App Data\Roami ng\Windows Updates\ou tlooks.exe " MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 3872 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 4628 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" Add-MpPref erence -Ex clusionPat h "C:\User s\user\App Data\Roami ng\eNuXmIw kixzW.exe" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 5364 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - schtasks.exe (PID: 3456 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\eNuX mIwkixzW" /XML "C:\U sers\user\ AppData\Lo cal\Temp\t mp537.tmp" MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 1012 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - outlooks.exe (PID: 6064 cmdline:
"C:\Users\ user\AppDa ta\Roaming \WindowsUp dates\outl ooks.exe" MD5: 15F259B30EC72A5217144834F7F5B564)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Quasar RAT, QuasarRAT | Quasar RAT is a malware family written in .NET which is used by a variety of attackers. The malware is fully functional and open source, and is often packed to make analysis of the source more difficult. |
{"Version": "1.4.1", "Host:Port": "hoffmann3.ydns.eu:5829;", "SubDirectory": "WindowsUpdates", "InstallName": "outlooks.exe", "MutexName": "532aca2b-96ff-44aa-9213-031e975919ac", "StartupKey": "Outlooks", "Tag": "DAVID", "LogDirectoryName": "Logs", "ServerSignature": "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", "ServerCertificate": "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"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
Click to see the 14 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_GenericDownloader_1 | Yara detected Generic Downloader | Joe Security | ||
MAL_QuasarRAT_May19_1 | Detects QuasarRAT malware | Florian Roth |
| |
INDICATOR_SUSPICIOUS_GENInfoStealer | Detects executables containing common artifcats observed in infostealers | ditekSHen |
| |
MALWARE_Win_QuasarStealer | Detects Quasar infostealer | ditekshen |
| |
Click to see the 18 entries |
System Summary |
---|
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Persistence and Installation Behavior |
---|
Source: | Author: Joe Security: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-03T14:53:52.621028+0100 | 2035595 | 1 | Domain Observed Used for C2 Detected | 193.34.212.17 | 5829 | 192.168.2.8 | 49713 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-03T14:53:52.621028+0100 | 2027619 | 1 | Domain Observed Used for C2 Detected | 193.34.212.17 | 5829 | 192.168.2.8 | 49713 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira: |
Source: | Avira URL Cloud: |
Source: | Avira: | ||
Source: | Avira: |
Source: | Malware Configuration Extractor: |