Edit tour
Windows
Analysis Report
UnmxRI.exe
Overview
General Information
Detection
FormBook, PureLog Stealer
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts 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
.NET source code contains very large strings
AI detected suspicious sample
Adds a directory exclusion to Windows Defender
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
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
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)
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
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: Powershell Defender Exclusion
Sigma detected: Suspicious Add Scheduled Task Parent
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
- UnmxRI.exe (PID: 6972 cmdline:
"C:\Users\ user\Deskt op\UnmxRI. exe" MD5: E34C33903020A81F3A09A69C29ADE426) - powershell.exe (PID: 5416 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" Add-MpPref erence -Ex clusionPat h "C:\User s\user\Des ktop\UnmxR I.exe" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 5440 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 3576 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" Add-MpPref erence -Ex clusionPat h "C:\User s\user\App Data\Roami ng\tehuvFg ZlLZK.exe" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 5788 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - WmiPrvSE.exe (PID: 6556 cmdline:
C:\Windows \system32\ wbem\wmipr vse.exe -s ecured -Em bedding MD5: 60FF40CFD7FB8FE41EE4FE9AE5FE1C51) - schtasks.exe (PID: 1408 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\tehu vFgZlLZK" /XML "C:\U sers\user\ AppData\Lo cal\Temp\t mpB814.tmp " MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 4052 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - UnmxRI.exe (PID: 5452 cmdline:
"C:\Users\ user\Deskt op\UnmxRI. exe" MD5: E34C33903020A81F3A09A69C29ADE426) - NUJqNHNKrrpXWLOEvky.exe (PID: 6608 cmdline:
"C:\Progra m Files (x 86)\CtkKkq RCKTeLWorQ MANFOxEffN dIrCJxUciu GWmfIeGBgU xWfyrOBLfj yucmmacESE siL\NUJqNH NKrrpXWLOE vky.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - print.exe (PID: 3092 cmdline:
"C:\Window s\SysWOW64 \print.exe " MD5: B6B0D7357995EFA5F07CEBD4593C7A9C) - NUJqNHNKrrpXWLOEvky.exe (PID: 5264 cmdline:
"C:\Progra m Files (x 86)\CtkKkq RCKTeLWorQ MANFOxEffN dIrCJxUciu GWmfIeGBgU xWfyrOBLfj yucmmacESE siL\NUJqNH NKrrpXWLOE vky.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - firefox.exe (PID: 428 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\Firefo x.exe" MD5: C86B1BE9ED6496FE0E0CBE73F81D8045)
- tehuvFgZlLZK.exe (PID: 6844 cmdline:
C:\Users\u ser\AppDat a\Roaming\ tehuvFgZlL ZK.exe MD5: E34C33903020A81F3A09A69C29ADE426) - schtasks.exe (PID: 4112 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\tehu vFgZlLZK" /XML "C:\U sers\user\ AppData\Lo cal\Temp\t mpD59E.tmp " MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 5756 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - tehuvFgZlLZK.exe (PID: 5016 cmdline:
"C:\Users\ user\AppDa ta\Roaming \tehuvFgZl LZK.exe" MD5: E34C33903020A81F3A09A69C29ADE426)
- 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_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 22 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
Click to see the 21 entries |
System Summary |
---|
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Persistence and Installation Behavior |
---|
Source: | Author: Joe Security: |
Timestamp: | 2024-08-30T07:19:13.142223+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49726 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:18:35.434943+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49717 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:21:13.661153+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49750 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:20:51.661641+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49746 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:21:52.389719+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49758 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:19:49.860329+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49734 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:20:24.305204+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49738 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:21:35.712132+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49754 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:20:37.687030+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49742 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:19:35.231734+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49730 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:18:59.865503+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49722 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-08-30T07:22:07.118884+0200 |
SID: | 2050745 |
Severity: | 1 |
Source Port: | 49762 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: | ||
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: | Virustotal: | Perma Link | ||
Source: | Virustotal: | Perma Link | ||
Source: | Virustotal: | Perma Link | ||
Source: | Virustotal: | Perma Link | ||
Source: | Virustotal: | Perma Link | ||
Source: | Virustotal: | Perma Link |
Source: | ReversingLabs: |
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: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: |
Source: | Joe Sandbox ML: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 16_2_004BC0B0 |
Source: | Code function: | 16_2_004B1870 | |
Source: | Code function: | 16_2_004A98C0 | |
Source: | Code function: | 16_2_004AE137 | |
Source: | Code function: | 16_2_00BB0531 |
Networking |
---|
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: |
Source: | DNS query: |
Source: | IP Address: | ||
Source: | IP Address: |
Source: | ASN Name: | ||
Source: | ASN Name: | ||
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: | 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: | 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: | 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: | 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: | String found in binary or memory: | ||
Source: | String found in binary or memory: |
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS 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: | ||
Source: | HTTP traffic detected: |