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Windows
Analysis Report
Salmebogs(1).exe
Overview
General Information
Detection
FormBook, GuLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Early bird code injection technique detected
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected FormBook
Yara detected GuLoader
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Suspicious powershell command line found
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)
Writes to foreign memory regions
Abnormal high CPU Usage
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 read the PEB
Contains functionality to shutdown / reboot the system
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: Uncommon Svchost Parent Process
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Classification
- System is w10x64
- Salmebogs(1).exe (PID: 1016 cmdline:
"C:\Users\ user\Deskt op\Salmebo gs(1).exe" MD5: B5948D19A341BC22C750D129F41A55AE) - powershell.exe (PID: 5608 cmdline:
powershell .exe -wind owstyle hi dden "$Sko pudsninger nes=Get-Co ntent -raw 'C:\Users \user\AppD ata\Roamin g\aspern\h uslejebelb s\Medkmped e\Neuralgi form.Pre'; $Unclog242 =$Skopudsn ingernes.S ubString(7 2152,3);.$ Unclog242( $Skopudsni ngernes) MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 3664 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - Stemmeurnes.exe (PID: 5860 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\Stemme urnes.exe" MD5: B5948D19A341BC22C750D129F41A55AE) - MLvvJtVcRex.exe (PID: 6620 cmdline:
"C:\Progra m Files (x 86)\epDAKv nIKaQVaCiw LRpQjLEhPb yZgKawcoEe lmvUhzyJvG XLsumZclZW cVBfCwFwBf xu\MLvvJtV cRex.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - svchost.exe (PID: 6428 cmdline:
"C:\Window s\SysWOW64 \svchost.e xe" MD5: 1ED18311E3DA35942DB37D15FA40CC5B) - MLvvJtVcRex.exe (PID: 6404 cmdline:
"C:\Progra m Files (x 86)\epDAKv nIKaQVaCiw LRpQjLEhPb yZgKawcoEe lmvUhzyJvG XLsumZclZW cVBfCwFwBf xu\MLvvJtV cRex.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) - firefox.exe (PID: 1096 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. |
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 | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Click to see the 4 entries |
System Summary |
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Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Source: | Author: vburov: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-11-28T10:06:16.974137+0100 | 2803270 | 2 | Potentially Bad Traffic | 192.168.2.6 | 49724 | 212.162.149.63 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-11-28T10:06:46.269126+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49725 | 165.22.38.185 | 80 | TCP |
2024-11-28T10:07:11.716882+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49729 | 154.88.22.104 | 80 | TCP |
2024-11-28T10:07:26.583828+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49733 | 69.57.163.64 | 80 | TCP |
2024-11-28T10:07:41.784656+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49737 | 104.21.6.17 | 80 | TCP |
2024-11-28T10:07:56.785215+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49741 | 3.75.10.80 | 80 | TCP |
2024-11-28T10:08:12.232707+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49745 | 103.168.172.37 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-11-28T10:07:03.636386+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49726 | 154.88.22.104 | 80 | TCP |
2024-11-28T10:07:06.293028+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49727 | 154.88.22.104 | 80 | TCP |
2024-11-28T10:07:09.013613+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49728 | 154.88.22.104 | 80 | TCP |
2024-11-28T10:07:18.631747+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49730 | 69.57.163.64 | 80 | TCP |
2024-11-28T10:07:21.216527+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49731 | 69.57.163.64 | 80 | TCP |
2024-11-28T10:07:23.880318+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49732 | 69.57.163.64 | 80 | TCP |
2024-11-28T10:07:33.494131+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49734 | 104.21.6.17 | 80 | TCP |
2024-11-28T10:07:36.272383+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49735 | 104.21.6.17 | 80 | TCP |
2024-11-28T10:07:39.044925+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49736 | 104.21.6.17 | 80 | TCP |
2024-11-28T10:07:48.917661+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49738 | 3.75.10.80 | 80 | TCP |
2024-11-28T10:07:51.489229+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49739 | 3.75.10.80 | 80 | TCP |
2024-11-28T10:07:54.136331+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49740 | 3.75.10.80 | 80 | TCP |
2024-11-28T10:08:04.526932+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49742 | 103.168.172.37 | 80 | TCP |
2024-11-28T10:08:06.770860+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49743 | 103.168.172.37 | 80 | TCP |
2024-11-28T10:08:09.553131+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49744 | 103.168.172.37 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Code function: | 0_2_00406370 | |
Source: | Code function: | 0_2_004027FB | |
Source: | Code function: | 0_2_0040581E | |
Source: | Code function: | 8_2_0076C660 |
Source: | Code function: | 8_2_00759EB0 |
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