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Windows
Analysis Report
New PO-RJ-IN-003 - Knauf Queimados.exe
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Multi AV Scanner detection for submitted file
Yara detected FormBook
Malicious sample detected (through community Yara rule)
System process connects to network (likely due to code injection or exploit)
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic
Sample uses process hollowing technique
Tries to steal Mail credentials (via file / registry access)
Maps a DLL or memory area into another process
Machine Learning detection for sample
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Machine Learning detection for dropped file
Modifies the context of a thread in another process (thread injection)
C2 URLs / IPs found in malware configuration
Tries to harvest and steal browser information (history, passwords, etc)
Uses 32bit PE files
Yara signature match
One or more processes crash
Contains functionality to check if a debugger is running (IsDebuggerPresent)
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to call native functions
Contains functionality to read the clipboard data
HTTP GET or POST without a user agent
Contains functionality which may be used to detect a debugger (GetProcessHeap)
IP address seen in connection with other malware
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Contains functionality to retrieve information about pressed keystrokes
Found large amount of non-executed APIs
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality for read data from the clipboard
Classification
- System is w10x64
- New PO-RJ-IN-003 - Knauf Queimados.exe (PID: 748 cmdline:
C:\Users\u ser\Deskto p\New PO-R J-IN-003 - Knauf Que imados.exe MD5: 244FC9610F75225AA3DC09958195BEB1) - jaxdij.exe (PID: 1572 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\jaxdij .exe" C:\U sers\user\ AppData\Lo cal\Temp\u qnwrddys.k MD5: 2DD6C8B13AE7D028B0047435FF0DCB8A) - jaxdij.exe (PID: 5360 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\jaxdij .exe" C:\U sers\user\ AppData\Lo cal\Temp\u qnwrddys.k MD5: 2DD6C8B13AE7D028B0047435FF0DCB8A) - explorer.exe (PID: 3324 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) - rubthqnwyfue.exe (PID: 5040 cmdline:
"C:\Users\ user\AppDa ta\Roaming \fqkyib\ru bthqnwyfue .exe" "C:\ Users\user \AppData\L ocal\Temp\ jaxdij.exe " C:\Users \user\AppD ata\L MD5: 2DD6C8B13AE7D028B0047435FF0DCB8A) - WerFault.exe (PID: 2912 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 5 040 -s 476 MD5: 9E2B8ACAD48ECCA55C0230D63623661B) - rubthqnwyfue.exe (PID: 6040 cmdline:
"C:\Users\ user\AppDa ta\Roaming \fqkyib\ru bthqnwyfue .exe" "C:\ Users\user \AppData\L ocal\Temp\ jaxdij.exe " C:\Users \user\AppD ata\L MD5: 2DD6C8B13AE7D028B0047435FF0DCB8A) - WerFault.exe (PID: 5420 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 6 040 -s 444 MD5: 9E2B8ACAD48ECCA55C0230D63623661B) - rundll32.exe (PID: 5412 cmdline:
C:\Windows \SysWOW64\ rundll32.e xe MD5: D7CA562B0DB4F4DD0F03A89A1FDAD63D)
- cleanup
{"C2 list": ["www.spirituallyzen.com/m9ae/"]}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
| |
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Click to see the 25 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
| |
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Click to see the 3 entries |
⊘No Sigma rule has matched
Timestamp: | 192.168.2.593.179.127.2749736802031449 11/29/22-10:35:37.226497 |
SID: | 2031449 |
Source Port: | 49736 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.5107.148.15.8149749802031453 11/29/22-10:36:16.701501 |
SID: | 2031453 |
Source Port: | 49749 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.5107.148.15.8149749802031412 11/29/22-10:36:16.701501 |
SID: | 2031412 |
Source Port: | 49749 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.593.179.127.2749736802031453 11/29/22-10:35:37.226497 |
SID: | 2031453 |
Source Port: | 49736 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.5107.148.15.8149749802031449 11/29/22-10:36:16.701501 |
SID: | 2031449 |
Source Port: | 49749 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.593.179.127.2749736802031412 11/29/22-10:35:37.226497 |
SID: | 2031412 |
Source Port: | 49736 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Code function: | 0_2_00405620 | |
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Source: | Code function: | 1_2_00255387 | |
Source: | Code function: | 2_2_002552D3 | |
Source: | Code function: | 2_2_00255387 |
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