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Windows
Analysis Report
Xp7zCcGiGj.exe
Overview
General Information
Sample name: | Xp7zCcGiGj.exerenamed because original name is a hash value |
Original sample name: | dc17a1ec3a9bb84d21a7f6a7e77133f6.exe |
Analysis ID: | 1546536 |
MD5: | dc17a1ec3a9bb84d21a7f6a7e77133f6 |
SHA1: | 2a6c10ea20bff9e297770bca2477a8bb82378c45 |
SHA256: | 82687bbf89460d44b3cef2d06f5d09288c45d787323254026f39cb3421cc3954 |
Tags: | 32exetrojan |
Infos: | |
Detection
Quasar
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Yara detected AntiVM3
Yara detected Quasar RAT
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Drops VBS files to the startup folder
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Performs DNS queries to domains with low reputation
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Allocates memory with a write watch (potentially for evading sandboxes)
Contains functionality to call native functions
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates a start menu entry (Start Menu\Programs\Startup)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Drops PE files
Enables debug privileges
Found WSH timer for Javascript or VBS script (likely evasive script)
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)
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
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: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Stores files to the Windows start menu directory
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64
- Xp7zCcGiGj.exe (PID: 7164 cmdline:
"C:\Users\ user\Deskt op\Xp7zCcG iGj.exe" MD5: DC17A1EC3A9BB84D21A7F6A7E77133F6) - InstallUtil.exe (PID: 6536 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\Ins tallUtil.e xe" MD5: 5D4073B2EB6D217C19F2B22F21BF8D57) - cmd.exe (PID: 6532 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\User s\user\App Data\Local \Temp\NexS ZleDljOR.b at" " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 5376 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - chcp.com (PID: 2128 cmdline:
chcp 65001 MD5: 20A59FB950D8A191F7D35C4CA7DA9CAF) - PING.EXE (PID: 3572 cmdline:
ping -n 10 localhost MD5: B3624DD758CCECF93A1226CEF252CA12) - InstallUtil.exe (PID: 6768 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\Ins tallUtil.e xe" MD5: 5D4073B2EB6D217C19F2B22F21BF8D57) - conhost.exe (PID: 6488 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- wscript.exe (PID: 7032 cmdline:
"C:\Window s\System32 \WScript.e xe" "C:\Us ers\user\A ppData\Roa ming\Micro soft\Windo ws\Start M enu\Progra ms\Startup \Value.vbs " MD5: A47CBE969EA935BDD3AB568BB126BC80) - Value.exe (PID: 1272 cmdline:
"C:\Users\ user\AppDa ta\Roaming \Value.exe " MD5: DC17A1EC3A9BB84D21A7F6A7E77133F6) - InstallUtil.exe (PID: 1896 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\Ins tallUtil.e xe" MD5: 5D4073B2EB6D217C19F2B22F21BF8D57) - cmd.exe (PID: 2408 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\User s\user\App Data\Local \Temp\E6ik BcGmgYAV.b at" " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 2460 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - chcp.com (PID: 4708 cmdline:
chcp 65001 MD5: 20A59FB950D8A191F7D35C4CA7DA9CAF) - PING.EXE (PID: 5340 cmdline:
ping -n 10 localhost MD5: B3624DD758CCECF93A1226CEF252CA12) - InstallUtil.exe (PID: 6004 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\Ins tallUtil.e xe" MD5: 5D4073B2EB6D217C19F2B22F21BF8D57) - conhost.exe (PID: 1440 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- 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": "panel.o7lab.me:4782;service.o7lab.xyz:4782;underground-cheat.xyz:4782;service.o7lab.com.tr:4782;", "SubDirectory": "SubDir", "InstallName": "Client.exe", "MutexName": "84f88b7e-fbb8-40b1-829a-206ff17d9f29", "StartupKey": "Quasar Client Startup", "Tag": "panel.o7lab.me", "LogDirectoryName": "WinLog", "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_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
Click to see the 18 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
JoeSecurity_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
MAL_QuasarRAT_May19_1 | Detects QuasarRAT malware | Florian Roth |
| |
INDICATOR_SUSPICIOUS_GENInfoStealer | Detects executables containing common artifcats observed in infostealers | ditekSHen |
| |
Click to see the 20 entries |
System Summary |
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Source: | Author: Margaritis Dimitrios (idea), Florian Roth (Nextron Systems), oscd.community: |
Source: | Author: Michael Haag: |
Data Obfuscation |
---|
Source: | Author: Joe Security: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-11-01T04:49:18.762810+0100 | 2022930 | 1 | A Network Trojan was detected | 52.149.20.212 | 443 | 192.168.2.5 | 49705 | TCP |
2024-11-01T04:49:57.901706+0100 | 2022930 | 1 | A Network Trojan was detected | 52.149.20.212 | 443 | 192.168.2.5 | 49907 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira: |
Source: | Avira: | ||
Source: | Avira: | ||
Source: | Avira: |
Source: | Malware Configuration Extractor: |