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Windows
Analysis Report
Aviso de transferencia.exe
Overview
General Information
Detection
AsyncRAT, PureLog Stealer
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected PureLog Stealer
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
AV process strings found (often used to terminate AV products)
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
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)
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
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
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: Suspicious Schtasks From Env Var Folder
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64
- Aviso de transferencia.exe (PID: 6756 cmdline:
"C:\Users\ user\Deskt op\Aviso d e transfer encia.exe" MD5: 8D664129AF173ED945236EFB82D4AD67) - Aviso de transferencia.exe (PID: 7212 cmdline:
"C:\Users\ user\Deskt op\Aviso d e transfer encia.exe" MD5: 8D664129AF173ED945236EFB82D4AD67) - cmd.exe (PID: 7588 cmdline:
"C:\Window s\System32 \cmd.exe" /c schtask s /create /f /sc onl ogon /rl h ighest /tn "windowsB ook" /tr ' "C:\Users\ user\AppDa ta\Local\T emp\window sBook.exe" ' & exit MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 7600 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - schtasks.exe (PID: 7684 cmdline:
schtasks / create /f /sc onlogo n /rl high est /tn "w indowsBook " /tr '"C: \Users\use r\AppData\ Local\Temp \windowsBo ok.exe"' MD5: 48C2FE20575769DE916F48EF0676A965) - cmd.exe (PID: 7608 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\User s\user\App Data\Local \Temp\tmpC D5C.tmp.ba t"" MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 7632 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - timeout.exe (PID: 7740 cmdline:
timeout 3 MD5: 976566BEEFCCA4A159ECBDB2D4B1A3E3) - windowsBook.exe (PID: 7800 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\window sBook.exe" MD5: 8D664129AF173ED945236EFB82D4AD67) - windowsBook.exe (PID: 7928 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\window sBook.exe" MD5: 8D664129AF173ED945236EFB82D4AD67)
- windowsBook.exe (PID: 7760 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\windows Book.exe MD5: 8D664129AF173ED945236EFB82D4AD67) - windowsBook.exe (PID: 7840 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\window sBook.exe" MD5: 8D664129AF173ED945236EFB82D4AD67) - windowsBook.exe (PID: 7848 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\window sBook.exe" MD5: 8D664129AF173ED945236EFB82D4AD67)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
AsyncRAT | AsyncRAT is a Remote Access Tool (RAT) designed to remotely monitor and control other computers through a secure encrypted connection. It is an open source remote administration tool, however, it could also be used maliciously because it provides functionality such as keylogger, remote desktop control, and many other functions that may cause harm to the victims computer. In addition, AsyncRAT can be delivered via various methods such as spear-phishing, malvertising, exploit kit and other techniques. | No Attribution |
{"Server": "quin.ydns.eu", "Port": "1962", "Version": "0.5.8", "MutexName": "8xLI57IVXCDFxeWa@", "Autorun": "true", "Group": "null"}
Source | Rule | Description | Author | Strings |
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MALWARE_Win_AsyncRAT | Detects AsyncRAT | ditekSHen |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
MALWARE_Win_AsyncRAT | Detects AsyncRAT | ditekSHen |
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MALWARE_Win_AsyncRAT | Detects AsyncRAT | ditekSHen |
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JoeSecurity_AsyncRAT | Yara detected AsyncRAT | Joe Security | ||
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse | Detects file containing reversed ASEP Autorun registry keys | ditekSHen |
| |
Click to see the 29 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_AsyncRAT | Yara detected AsyncRAT | Joe Security | ||
Windows_Trojan_Asyncrat_11a11ba1 | unknown | unknown |
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INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse | Detects file containing reversed ASEP Autorun registry keys | ditekSHen |
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JoeSecurity_AsyncRAT | Yara detected AsyncRAT | Joe Security | ||
Windows_Trojan_Asyncrat_11a11ba1 | unknown | unknown |
| |
Click to see the 30 entries |
System Summary |
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Source: | Author: Jonathan Cheong, oscd.community: |
Source: | Author: Jonathan Cheong, oscd.community: |
Source: | Author: Florian Roth (Nextron Systems): |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-21T14:18:28.281688+0200 | 2035595 | 1 | Domain Observed Used for C2 Detected | 185.38.142.240 | 1962 | 192.168.2.7 | 49775 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-21T14:18:28.281688+0200 | 2035607 | 1 | Domain Observed Used for C2 Detected | 185.38.142.240 | 1962 | 192.168.2.7 | 49775 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-21T14:18:28.281688+0200 | 2842478 | 1 | Malware Command and Control Activity Detected | 185.38.142.240 | 1962 | 192.168.2.7 | 49775 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Malware Configuration Extractor: |
Source: | ReversingLabs: |
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Source: | Static PE information: |
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Source: | Code function: | 0_2_0BF60457 | |
Source: | Code function: | 17_2_09C70457 | |
Source: | Code function: | 18_2_09850457 |
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Key, Mouse, Clipboard, Microphone and Screen Capturing |
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System Summary |
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Source: | Code function: | 0_2_0111D324 | |
Source: | Code function: | 0_2_094D0040 | |
Source: | Code function: | 0_2_094D3980 | |
Source: | Code function: | 0_2_094DC820 | |
Source: | Code function: | 0_2_094D4B58 | |
Source: | Code function: | 0_2_094DCC58 | |
Source: | Code function: | 0_2_094D0016 | |
Source: | Code function: | 0_2_094DD090 | |
Source: | Code function: | 0_2_094DC3E8 | |
Source: | Code function: | 0_2_094DC3B4 | |
Source: | Code function: | 0_2_094DE738 | |
Source: | Code function: | 0_2_0BF62A99 | |
Source: | Code function: | 17_2_02CED324 | |
Source: | Code function: | 17_2_073F0040 | |
Source: | Code function: | 17_2_073FE738 | |
Source: | Code function: | 17_2_073FC3E8 | |
Source: | Code function: | 17_2_073FC3D2 | |
Source: | Code function: | 17_2_073F0006 | |
Source: | Code function: | 17_2_073FD090 | |
Source: | Code function: | 17_2_073FCC58 | |
Source: | Code function: | 17_2_073F4B58 | |
Source: | Code function: | 17_2_073F4B48 | |
Source: | Code function: | 17_2_073F396F | |
Source: | Code function: | 17_2_073F3980 | |
Source: | Code function: | 17_2_073FC820 | |
Source: | Code function: | 17_2_09C72BD8 | |
Source: | Code function: | 18_2_00FCD324 | |
Source: | Code function: | 18_2_06FE0040 | |
Source: | Code function: | 18_2_06FEE738 | |
Source: | Code function: | 18_2_06FEC3E8 | |
Source: | Code function: | 18_2_06FEC3D1 | |
Source: | Code function: | 18_2_06FED090 | |
Source: | Code function: | 18_2_06FE0007 | |
Source: | Code function: | 18_2_06FECC58 | |
Source: | Code function: | 18_2_06FE4B58 | |
Source: | Code function: | 18_2_06FE4B48 | |
Source: | Code function: | 18_2_06FEC820 | |
Source: | Code function: | 18_2_06FE3980 | |
Source: | Code function: | 18_2_06FE396F | |
Source: | Code function: | 18_2_09852A7F | |
Source: | Code function: | 22_2_02CD63D8 | |
Source: | Code function: | 22_2_02CD6CA8 | |
Source: | Code function: | 22_2_02CD6090 | |
Source: | Code function: | 22_2_02CD75A8 | |
Source: | Code function: | 22_2_02CDAE88 |
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