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Windows
Analysis Report
Purchase Order.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)
Antivirus detection for URL or domain
Antivirus detection for dropped file
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
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Performs DNS queries to domains with low reputation
Found hidden mapped module (file has been removed from disk)
Queues an APC in another process (thread injection)
Modifies the context of a thread in another process (thread injection)
Executable has a suspicious name (potential lure to open the executable)
C2 URLs / IPs found in malware configuration
Tries to harvest and steal browser information (history, passwords, etc)
Uses 32bit PE files
Yara signature match
Antivirus or Machine Learning detection for unpacked file
One or more processes crash
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to call native functions
Found dropped PE file which has not been started or loaded
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Contains functionality for execution timing, often used to detect debuggers
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Found inlined nop instructions (likely shell or obfuscated code)
PE file does not import any functions
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
Connects to several IPs in different countries
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
- Purchase Order.exe (PID: 1380 cmdline:
C:\Users\u ser\Deskto p\Purchase Order.exe MD5: B0FCEC089AD6578E526554A0865B5BFF) - sphybwtjm.exe (PID: 4444 cmdline:
C:\Users\u ser~1\AppD ata\Local\ Temp\sphyb wtjm.exe MD5: E9A4818AC7164F4FF1B2ABFD99B75F6C) - sphybwtjm.exe (PID: 3760 cmdline:
C:\Users\u ser~1\AppD ata\Local\ Temp\sphyb wtjm.exe MD5: E9A4818AC7164F4FF1B2ABFD99B75F6C) - explorer.exe (PID: 3320 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) - rundll32.exe (PID: 5008 cmdline:
C:\Windows \SysWOW64\ rundll32.e xe MD5: D7CA562B0DB4F4DD0F03A89A1FDAD63D) - WerFault.exe (PID: 5656 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 4 444 -s 492 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
- cleanup
{"C2 list": ["www.majordaiyanoace.com/hcfu/"], "decoy": ["MxvCqbTgB2s=", "nVcWxUAuQKS44zlwgbwM", "Sc1g9Ub8P6aHq9xfc4A=", "21HdeQwZYqV/nY+v8mZIkA==", "Leo3X7Ti2i+IEePVKHI9Pu+JBqU=", "7Z+FJnElTX8GryxwgbwM", "blflEmGYyy2KHYWeGGDvPNyx", "0ru3RmfB8lxwmRtaaZfIi3HHJ60=", "ZyPeb+H2L42hef8P", "4Y3Y3ixXgZv/k9I=", "WNXMabxuj/TRydYfneWm+4LFmA==", "kVGfyBhGhOBE89NwgbwM", "LuIjJTOcxSl+CawnN4NWlg==", "blfe/Tp0f6wEmR9wgbwM", "4JNyGmcUf7JI7w==", "Me7NarNljMAXwbTIDVmecF4=", "bhVd22trtq2Gi835BzVk4e0vG68ConxJ", "m0yRoKbvn3fVw6bQVQ==", "1HvDwdXOGH9QEJSPQA==", "kQ2jKmkbMEdYVcU=", "Rw1NZN9LeNMw37jq6OR8lQ==", "kleSp/P6o4gymLfZVw==", "y7OuRFvOE4EQwp5CR0FIjQ==", "LKonriYrYsDtOk0+hMSJmA==", "93PvZ65uxTIWKx/zaLkEikXn6ERbTA==", "q64gS0PRf7JI7w==", "vjvLYePfDH+hbT6i590E", "M/AoQZDGCmqRjXzBSg==", "xIXK3RFhedeyxSlohYkyPu+JBqU=", "OyQ1OshVo75N8Q==", "Cthlh4oSkLLJw3nBAXHZRp8iSRhrUw==", "u0RL8Dfv/ysGKS96fYY=", "qrIhRkjTf7JI7w==", "763k+34Nf7JI7w==", "Cbv9EF1Zuu5O", "NewnMFMyS35ONSFPkkJVmg==", "G88OJqEvm81a9A==", "yX9M8DPj+mmEprhiqZk=", "mUeSsvUzVIDymLfZVw==", "mJElukExbq+Kr9xfc4A=", "qVaXoOMLDGzPa2+28mZIkA==", "UzTHX796vy67dG+p8mZIkA==", "vW82cb7k9BZslebNHmiuTCNKlGZNK9c=", "hEyKjaZRofpT", "VwTYZ3XZBXT6dtT/m1mecF4=", "Qu+6UZhaow7imLfZVw==", "WQDLfQ//Kph+o/sWnPyFVO+JBqU=", "UwnUXHMDU25KVs0=", "hzXja/H4IZCbuiNwgbwM", "c1voZ+XmY4VaXM0=", "77SAFGUjQqKFsSNwgbwM", "Ewr8k+uau+E0mLfZVw==", "yku/x8gRmwRX", "WBniaXoEJ2L3q53tPsZxeSQEkA==", "z8Db8nLwNKL7f3O38mZIkA==", "nTt2lB9Zuu5O", "tWk97HNzujJMdscfdZuA3MMfEh0ConxJ", "OuiBa+10qAmh//f/Ww==", "kksg0FE0Vopul+4en1mecF4=", "p5MeqT84VaxLkaGZ/GBGhA==", "hDmQsS+uwB/4/fYPYY1OmwreKrg=", "rEeOktkON56y1v5Ch7UE", "FYV8BRWU1zxXMwsip+SPmA==", "44/AWZlQSXBVj/BTnKM+QrS8tNQ//bqVFA=="]}
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 |
|
⊘No Sigma rule has matched
Timestamp: | 192.168.2.73.13.90.7649734802031449 10/24/22-11:09:04.619981 |
SID: | 2031449 |
Source Port: | 49734 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.73.13.90.7649734802031412 10/24/22-11:09:04.619981 |
SID: | 2031412 |
Source Port: | 49734 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.751.79.230.14749714802031453 10/24/22-11:07:25.079506 |
SID: | 2031453 |
Source Port: | 49714 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.751.79.230.14749714802031412 10/24/22-11:07:25.079506 |
SID: | 2031412 |
Source Port: | 49714 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.73.13.90.7649734802031453 10/24/22-11:09:04.619981 |
SID: | 2031453 |
Source Port: | 49734 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.78.8.8.853336532023883 10/24/22-11:07:30.440332 |
SID: | 2023883 |
Source Port: | 53336 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 192.168.2.751.79.230.14749714802031449 10/24/22-11:07:25.079506 |
SID: | 2031449 |
Source Port: | 49714 |
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_00405C49 | |
Source: | Code function: | 0_2_00406873 | |
Source: | Code function: | 0_2_0040290B | |
Source: | Code function: | 16_2_003E2C80 | |
Source: | Code function: | 16_2_003E2C7A |
Source: | Code function: | 16_2_003D8880 | |
Source: | Code function: | 16_2_003D887F | |
Source: | Code function: | 16_2_003D4378 |
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