Windows
Analysis Report
LETTERA DI CONFERMA DEL PAGAMENTO.exe
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected FormBook
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious 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)
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
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Checks if the current process is being debugged
Creates a process in suspended mode (likely to inject code)
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
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 file contains more sections than normal
PE file contains sections with non-standard names
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
Searches the installation path of Mozilla Firefox
Sigma detected: Uncommon Svchost Parent Process
Uses 32bit PE files
Classification
- System is w7x64
LETTERA DI CONFERMA DEL PAGAMENTO.exe (PID: 3460 cmdline:
"C:\Users\ user\Deskt op\LETTERA DI CONFER MA DEL PAG AMENTO.exe " MD5: A5550246C73F30ED5FD68BB236675D46) svchost.exe (PID: 3500 cmdline:
"C:\Users\ user\Deskt op\LETTERA DI CONFER MA DEL PAG AMENTO.exe " MD5: 54A47F6B5E09A77E61649109C6A08866) rGdWid9z.exe (PID: 1376 cmdline:
"C:\Progra m Files (x 86)\EMNJeT TlkQkIIjjK IvaMmQrOem PJNTPsEGuu ejKdptDmhg jWVyz\rGdW id9z.exe" MD5: 9C98D1A23EFAF1B156A130CEA7D2EE3A) net1.exe (PID: 3596 cmdline:
"C:\Window s\SysWOW64 \net1.exe" MD5: 2041012726EF7C95ED51C15C56545A7F) BupJjuMCJB.exe (PID: 1224 cmdline:
"C:\Progra m Files (x 86)\EMNJeT TlkQkIIjjK IvaMmQrOem PJNTPsEGuu ejKdptDmhg jWVyz\BupJ juMCJB.exe " MD5: 9C98D1A23EFAF1B156A130CEA7D2EE3A) firefox.exe (PID: 3796 cmdline:
"C:\Progra m Files (x 86)\Mozill a Firefox\ Firefox.ex e" MD5: C2D924CE9EA2EE3E7B7E6A7C476619CA)
- 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 | ||
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: frack113: |
Source: | Author: vburov: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-28T14:34:29.143161+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.22 | 49161 | 76.223.54.146 | 80 | TCP |
2025-03-28T14:34:52.415151+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.22 | 49166 | 199.59.243.228 | 80 | TCP |
2025-03-28T14:35:06.169577+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.22 | 49170 | 104.21.94.162 | 80 | TCP |
2025-03-28T14:35:28.552724+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.22 | 49174 | 76.223.54.146 | 80 | TCP |
2025-03-28T14:35:42.174753+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.22 | 49178 | 104.26.0.177 | 80 | TCP |
2025-03-28T14:35:55.898526+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.22 | 49182 | 162.254.38.217 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-28T14:34:44.481409+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49163 | 199.59.243.228 | 80 | TCP |
2025-03-28T14:34:47.134993+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49164 | 199.59.243.228 | 80 | TCP |
2025-03-28T14:34:49.779989+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49165 | 199.59.243.228 | 80 | TCP |
2025-03-28T14:34:57.748698+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49167 | 104.21.94.162 | 80 | TCP |
2025-03-28T14:35:00.698441+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49168 | 104.21.94.162 | 80 | TCP |
2025-03-28T14:35:03.163808+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49169 | 104.21.94.162 | 80 | TCP |
2025-03-28T14:35:11.531265+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49171 | 76.223.54.146 | 80 | TCP |
2025-03-28T14:35:14.210408+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49172 | 76.223.54.146 | 80 | TCP |
2025-03-28T14:35:16.849195+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49173 | 76.223.54.146 | 80 | TCP |
2025-03-28T14:35:33.908477+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49175 | 104.26.0.177 | 80 | TCP |
2025-03-28T14:35:36.802944+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49176 | 104.26.0.177 | 80 | TCP |
2025-03-28T14:35:39.541370+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49177 | 104.26.0.177 | 80 | TCP |
2025-03-28T14:35:47.669116+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49179 | 162.254.38.217 | 80 | TCP |
2025-03-28T14:35:50.483604+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49180 | 162.254.38.217 | 80 | TCP |
2025-03-28T14:35:53.178570+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.22 | 49181 | 162.254.38.217 | 80 | TCP |
- • AV Detection
- • Compliance
- • Networking
- • E-Banking Fraud
- • System Summary
- • Data Obfuscation
- • Persistence and Installation Behavior
- • Hooking and other Techniques for Hiding and Protection
- • Malware Analysis System Evasion
- • Anti Debugging
- • HIPS / PFW / Operating System Protection Evasion
- • Language, Device and Operating System Detection
- • Stealing of Sensitive Information
- • Remote Access Functionality
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Show All Signature Results
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Networking |
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