Edit tour
Windows
Analysis Report
SC_0017384.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
Encrypted powershell cmdline option found
Machine Learning detection for sample
Injects a PE file into a foreign processes
Yara detected Generic Downloader
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)
Tries to harvest and steal browser information (history, passwords, etc)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
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)
JA3 SSL client fingerprint seen in connection with other malware
Contains functionality to call native functions
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
Contains long sleeps (>= 3 min)
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Sample file is different than original file name gathered from version info
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
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)
Classification
- System is w10x64
- SC_0017384.exe (PID: 5876 cmdline:
C:\Users\u ser\Deskto p\SC_00173 84.exe MD5: F296A60E1568722B060DE70B46357FE6) - powershell.exe (PID: 5040 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -ENC cwB0A GEAcgB0AC0 AcwBsAGUAZ QBwACAALQB zAGUAYwBvA G4AZABzACA AMgAwAA== MD5: DBA3E6449E97D4E3DF64527EF7012A10) - conhost.exe (PID: 472 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - SC_0017384.exe (PID: 5956 cmdline:
C:\Users\u ser\Deskto p\SC_00173 84.exe MD5: F296A60E1568722B060DE70B46357FE6) - explorer.exe (PID: 3324 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) - Lvdnyvcvr.exe (PID: 6136 cmdline:
"C:\Users\ user\AppDa ta\Roaming \Jqtuyob\L vdnyvcvr.e xe" MD5: F296A60E1568722B060DE70B46357FE6) - powershell.exe (PID: 4504 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -ENC cwB0A GEAcgB0AC0 AcwBsAGUAZ QBwACAALQB zAGUAYwBvA G4AZABzACA AMgAwAA== MD5: DBA3E6449E97D4E3DF64527EF7012A10) - conhost.exe (PID: 6048 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - Lvdnyvcvr.exe (PID: 1980 cmdline:
C:\Users\u ser\AppDat a\Roaming\ Jqtuyob\Lv dnyvcvr.ex e MD5: F296A60E1568722B060DE70B46357FE6) - systray.exe (PID: 5568 cmdline:
C:\Windows \SysWOW64\ systray.ex e MD5: 1373D481BE4C8A6E5F5030D2FB0A0C68) - Lvdnyvcvr.exe (PID: 1436 cmdline:
"C:\Users\ user\AppDa ta\Roaming \Jqtuyob\L vdnyvcvr.e xe" MD5: F296A60E1568722B060DE70B46357FE6) - powershell.exe (PID: 6116 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -ENC cwB0A GEAcgB0AC0 AcwBsAGUAZ QBwACAALQB zAGUAYwBvA G4AZABzACA AMgAwAA== MD5: DBA3E6449E97D4E3DF64527EF7012A10) - conhost.exe (PID: 572 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - Lvdnyvcvr.exe (PID: 5300 cmdline:
C:\Users\u ser\AppDat a\Roaming\ Jqtuyob\Lv dnyvcvr.ex e MD5: F296A60E1568722B060DE70B46357FE6)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Formbook, Formbo | FormBook contains a unique crypter RunPE that has unique behavioral patterns subject to detection. It was initially called "Babushka Crypter" by Insidemalware. |
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | 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 |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
Click to see the 11 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | 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 |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
Click to see the 3 entries |
⊘No Sigma rule has matched
Timestamp: | 192.168.2.5172.67.194.22549710802031453 03/21/23-09:12:13.411086 |
SID: | 2031453 |
Source Port: | 49710 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.574.208.236.13149702802031449 03/21/23-09:11:27.575244 |
SID: | 2031449 |
Source Port: | 49702 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.574.208.236.13149702802031412 03/21/23-09:11:27.575244 |
SID: | 2031412 |
Source Port: | 49702 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.574.208.236.13149702802031453 03/21/23-09:11:27.575244 |
SID: | 2031453 |
Source Port: | 49702 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.5172.67.194.22549710802031449 03/21/23-09:12:13.411086 |
SID: | 2031449 |
Source Port: | 49710 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.5172.67.194.22549710802031412 03/21/23-09:12:13.411086 |
SID: | 2031412 |
Source Port: | 49710 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | ReversingLabs: | |||
Source: | Virustotal: | Perma Link |
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
Source: | ReversingLabs: |
Source: | Joe Sandbox ML: |
Source: | Joe Sandbox ML: |
Source: | Avira: |
Source: | Static PE information: |
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: |
Source: | Static PE information: |
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: |
Networking |
---|
Source: | Network Connect: | Jump to behavior | ||
Source: | Domain query: | |||
Source: | Network Connect: | Jump to behavior | ||
Source: | Network Connect: | Jump to behavior | ||
Source: | Network Connect: | Jump to behavior | ||
Source: | Domain query: | |||
Source: | Domain query: | |||
Source: | Domain query: | |||
Source: | Domain query: | |||
Source: | Network Connect: | Jump to behavior | ||
Source: | Domain query: |
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: |
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
Source: | ASN Name: | ||
Source: | ASN Name: |
Source: | JA3 fingerprint: |
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: |
Source: | IP Address: |
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: |
Source: | Network traffic detected: | ||
Source: | Network traffic detected: | ||
Source: | Network traffic detected: | ||
Source: | Network traffic detected: | ||
Source: | Network traffic detected: | ||
Source: | Network traffic detected: |
Source: | HTTP traffic detected: |