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Windows
Analysis Report
file.exe
Overview
General Information
Detection
FormBook, PureLog Stealer
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Found direct / indirect Syscall (likely to bypass EDR)
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Allocates memory with a write watch (potentially for evading sandboxes)
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Enables debug privileges
Found inlined nop instructions (likely shell or obfuscated code)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE / OLE file has an invalid certificate
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
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64
- file.exe (PID: 3660 cmdline:
"C:\Users\ user\Deskt op\file.ex e" MD5: 4965833A4964D98F4DFAF8F9986199E7) - file.exe (PID: 4280 cmdline:
"C:\Users\ user\Deskt op\file.ex e" MD5: 4965833A4964D98F4DFAF8F9986199E7) - SIsaiIITJVPvUAG.exe (PID: 5284 cmdline:
"C:\Progra m Files (x 86)\LKVbfv iIbyWIajZx IWpzywuiob TbckkYAurO VHOOlucIsl pavLXAFuOI DsRwGHO\SI saiIITJVPv UAG.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - unlodctr.exe (PID: 1412 cmdline:
"C:\Window s\SysWOW64 \unlodctr. exe" MD5: EAF86537E26CC81C0767E58F66E01F52) - SIsaiIITJVPvUAG.exe (PID: 5348 cmdline:
"C:\Progra m Files (x 86)\LKVbfv iIbyWIajZx IWpzywuiob TbckkYAurO VHOOlucIsl pavLXAFuOI DsRwGHO\SI saiIITJVPv UAG.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - firefox.exe (PID: 6208 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\Firefo x.exe" MD5: C86B1BE9ED6496FE0E0CBE73F81D8045)
- 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 |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
Click to see the 15 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
Click to see the 9 entries |
⊘No Sigma rule has matched
Timestamp: | 05/04/24-10:08:16.689029 |
SID: | 2856318 |
Source Port: | 49715 |
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: | Avira: |
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: |
Source: | Virustotal: | Perma Link | ||
Source: | Virustotal: | Perma Link | ||
Source: | Virustotal: | Perma Link |
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: | File source: | ||
Source: | File source: | ||
Source: | File source: |
Source: | Joe Sandbox ML: |
Compliance |
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Source: | Unpacked PE file: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 6_2_0083B7C0 |
Source: | Code function: | 6_2_00829470 |
Networking |
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Source: | Snort IDS: |
Source: | DNS query: |
Source: | IP Address: | ||
Source: | IP Address: | ||
Source: | IP Address: |
Source: | ASN Name: | ||
Source: | ASN Name: |
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: |
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: |
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: |
Source: | HTTP traffic detected: |
Source: | HTTP traffic detected: |