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Windows
Analysis Report
cuenta para pago1.exe
Overview
General Information
Detection
FormBook, GuLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected FormBook
Yara detected GuLoader
Injects a PE file into a foreign processes
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality for read data from the clipboard
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to dynamically determine API calls
Contains functionality to read the PEB
Contains functionality to shutdown / reboot the system
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Drops PE files
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
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
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE / OLE file has an invalid certificate
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Tries to load missing DLLs
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64native
- cuenta para pago1.exe (PID: 8380 cmdline:
C:\Users\u ser\Deskto p\cuenta p ara pago1. exe MD5: 93D1942C204022E792AF256D0CCBE8E5) - cuenta para pago1.exe (PID: 8924 cmdline:
C:\Users\u ser\Deskto p\cuenta p ara pago1. exe MD5: 93D1942C204022E792AF256D0CCBE8E5) - YRrrNrIQCTKNXVoSiuJzTSdqxJTSo.exe (PID: 7188 cmdline:
"C:\Progra m Files (x 86)\xWRDBj NurNxAHXPm PUzJfASReC WRqOHlLKYY BZzCUvQGol gpFHtbZtyY BPNPuKZHFp MIT\YRrrNr IQCTKNXVoS iuJzTSdqxJ TSo.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - rasautou.exe (PID: 9124 cmdline:
C:\Windows \SysWOW64\ rasautou.e xe MD5: DFDBEDC2ED47CBABC13CCC64E97868F3) - YRrrNrIQCTKNXVoSiuJzTSdqxJTSo.exe (PID: 6944 cmdline:
"C:\Progra m Files (x 86)\xWRDBj NurNxAHXPm PUzJfASReC WRqOHlLKYY BZzCUvQGol gpFHtbZtyY BPNPuKZHFp MIT\YRrrNr IQCTKNXVoS iuJzTSdqxJ TSo.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - firefox.exe (PID: 7172 cmdline:
C:\Program Files\Moz illa Firef ox\Firefox .exe MD5: D1CC73370B9EF7D74E6D9FD9248CD687)
- 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. |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
CloudEyE, GuLoader | CloudEyE (initially named GuLoader) is a small VB5/6 downloader. It typically downloads RATs/Stealers, such as Agent Tesla, Arkei/Vidar, Formbook, Lokibot, Netwire and Remcos, often but not always from Google Drive. The downloaded payload is xored. | No Attribution |
⊘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_FormBook_1 | Yara detected FormBook | Joe Security | ||
Click to see the 11 entries |
⊘No Sigma rule has matched
Timestamp: | 03/18/24-15:09:57.009167 |
SID: | 2855465 |
Source Port: | 49831 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:16.037503 |
SID: | 2855464 |
Source Port: | 49821 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:48.984802 |
SID: | 2855464 |
Source Port: | 49828 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:24.436082 |
SID: | 2855465 |
Source Port: | 49839 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:08:35.249447 |
SID: | 2855465 |
Source Port: | 49810 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:34.275185 |
SID: | 2855464 |
Source Port: | 49840 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:42.848280 |
SID: | 2855465 |
Source Port: | 49843 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:10.841501 |
SID: | 2855465 |
Source Port: | 49835 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:01.994524 |
SID: | 2855464 |
Source Port: | 49817 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:16.329777 |
SID: | 2855464 |
Source Port: | 49836 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:02.687062 |
SID: | 2855464 |
Source Port: | 49832 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:08:59.288155 |
SID: | 2855464 |
Source Port: | 49816 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:07.414070 |
SID: | 2855465 |
Source Port: | 49819 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:56.860553 |
SID: | 2855465 |
Source Port: | 49847 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:48.749151 |
SID: | 2855464 |
Source Port: | 49844 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:14:44.917245 |
SID: | 2855464 |
Source Port: | 49852 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:43.418492 |
SID: | 2855465 |
Source Port: | 49827 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:35.300715 |
SID: | 2855464 |
Source Port: | 49824 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:08:45.740181 |
SID: | 2855464 |
Source Port: | 49811 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:51.666556 |
SID: | 2855464 |
Source Port: | 49829 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:51.453597 |
SID: | 2855464 |
Source Port: | 49845 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:21.447672 |
SID: | 2855465 |
Source Port: | 49823 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:08:53.774164 |
SID: | 2855465 |
Source Port: | 49815 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:05.405243 |
SID: | 2855464 |
Source Port: | 49833 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:37.130935 |
SID: | 2855464 |
Source Port: | 49841 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:08:48.415608 |
SID: | 2855464 |
Source Port: | 49812 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:38.013422 |
SID: | 2855464 |
Source Port: | 49825 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:09:13.346460 |
SID: | 2855464 |
Source Port: | 49820 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 03/18/24-15:10:19.031210 |
SID: | 2855464 |
Source Port: | 49837 |
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_0040635D | |
Source: | Code function: | 0_2_0040580B | |
Source: | Code function: | 0_2_004027FB |
Networking |
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