Windows
Analysis Report
Payment -Advice-6UoSFOxOntvuu94-PDF.exe
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Antivirus detection for dropped file
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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)
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)
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
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
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)
Classification
- System is w10x64
Payment -Advice-6UoSFOxOntvuu94-PDF.exe (PID: 7652 cmdline:
"C:\Users\ user\Deskt op\Payment -Advice-6 UoSFOxOntv uu94-PDF.e xe" MD5: 1E41C183504E68B1E20AFC635EA4BEF8) powershell.exe (PID: 7944 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\Payme nt -Advice -6UoSFOxOn tvuu94-PDF .exe" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) conhost.exe (PID: 7952 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) powershell.exe (PID: 7976 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\XPNlWEt XW.exe" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) conhost.exe (PID: 7992 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) WmiPrvSE.exe (PID: 7460 cmdline:
C:\Windows \system32\ wbem\wmipr vse.exe -s ecured -Em bedding MD5: 60FF40CFD7FB8FE41EE4FE9AE5FE1C51) schtasks.exe (PID: 8008 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\XPNl WEtXW" /XM L "C:\User s\user\App Data\Local \Temp\tmp4 8AD.tmp" MD5: 48C2FE20575769DE916F48EF0676A965) conhost.exe (PID: 8060 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) RegSvcs.exe (PID: 8188 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\Reg Svcs.exe" MD5: 9D352BC46709F0CB5EC974633A0C3C94) RegSvcs.exe (PID: 7184 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\Reg Svcs.exe" MD5: 9D352BC46709F0CB5EC974633A0C3C94) pxnPNuGwnboybvBniSgRpp.exe (PID: 6640 cmdline:
"C:\Progra m Files (x 86)\fNaOAz MdwwAjpsXs VXWbyMsDaA MkhksKxptY qCcGXDgTDy vxUqrBXGTI lXXFFeSvbA ZvTWGdpO\5 pkwhImFGJa .exe" MD5: 9C98D1A23EFAF1B156A130CEA7D2EE3A) MuiUnattend.exe (PID: 3492 cmdline:
"C:\Window s\SysWOW64 \MuiUnatte nd.exe" MD5: 3D5B670CE8E58D9434946FDD1325553D) pxnPNuGwnboybvBniSgRpp.exe (PID: 6276 cmdline:
"C:\Progra m Files (x 86)\fNaOAz MdwwAjpsXs VXWbyMsDaA MkhksKxptY qCcGXDgTDy vxUqrBXGTI lXXFFeSvbA ZvTWGdpO\L wTOJf5DKgE .exe" MD5: 9C98D1A23EFAF1B156A130CEA7D2EE3A) firefox.exe (PID: 2148 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\Firefo x.exe" MD5: C86B1BE9ED6496FE0E0CBE73F81D8045)
XPNlWEtXW.exe (PID: 2420 cmdline:
C:\Users\u ser\AppDat a\Roaming\ XPNlWEtXW. exe MD5: 1E41C183504E68B1E20AFC635EA4BEF8) schtasks.exe (PID: 1420 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\XPNl WEtXW" /XM L "C:\User s\user\App Data\Local \Temp\tmp7 D1B.tmp" MD5: 48C2FE20575769DE916F48EF0676A965) conhost.exe (PID: 1072 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) RegSvcs.exe (PID: 1616 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\Reg Svcs.exe" MD5: 9D352BC46709F0CB5EC974633A0C3C94) RegSvcs.exe (PID: 3184 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\Reg Svcs.exe" MD5: 9D352BC46709F0CB5EC974633A0C3C94)
- 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 3 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security |
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 |
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Source: | Author: Joe Security: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-02-11T18:51:03.050129+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 49980 | 188.114.97.3 | 80 | TCP |
2025-02-11T18:51:24.653280+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 49985 | 199.59.243.228 | 80 | TCP |
2025-02-11T18:51:38.094063+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 49989 | 67.223.117.189 | 80 | TCP |
2025-02-11T18:51:51.575343+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 49993 | 217.160.0.167 | 80 | TCP |
2025-02-11T18:52:04.994990+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 49997 | 104.21.4.23 | 80 | TCP |
2025-02-11T18:52:36.115793+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 50001 | 103.117.135.13 | 80 | TCP |
2025-02-11T18:52:49.455736+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 50005 | 47.254.140.255 | 80 | TCP |
2025-02-11T18:53:04.726745+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 50009 | 208.91.197.27 | 80 | TCP |
2025-02-11T18:53:38.779620+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 50013 | 18.163.74.139 | 80 | TCP |
2025-02-11T18:53:52.201092+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 50017 | 188.114.97.3 | 80 | TCP |
2025-02-11T18:54:06.848644+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.9 | 50021 | 156.226.63.13 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
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2025-02-11T18:51:17.038955+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49982 | 199.59.243.228 | 80 | TCP |
2025-02-11T18:51:19.585309+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49983 | 199.59.243.228 | 80 | TCP |
2025-02-11T18:51:22.104034+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49984 | 199.59.243.228 | 80 | TCP |
2025-02-11T18:51:30.298406+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49986 | 67.223.117.189 | 80 | TCP |
2025-02-11T18:51:32.981921+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49987 | 67.223.117.189 | 80 | TCP |
2025-02-11T18:51:35.550338+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49988 | 67.223.117.189 | 80 | TCP |
2025-02-11T18:51:43.990926+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49990 | 217.160.0.167 | 80 | TCP |
2025-02-11T18:51:46.469991+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49991 | 217.160.0.167 | 80 | TCP |
2025-02-11T18:51:49.018436+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49992 | 217.160.0.167 | 80 | TCP |
2025-02-11T18:51:57.257990+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49994 | 104.21.4.23 | 80 | TCP |
2025-02-11T18:51:59.851774+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49995 | 104.21.4.23 | 80 | TCP |
2025-02-11T18:52:02.391428+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49996 | 104.21.4.23 | 80 | TCP |
2025-02-11T18:52:28.481405+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49998 | 103.117.135.13 | 80 | TCP |
2025-02-11T18:52:31.066714+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 49999 | 103.117.135.13 | 80 | TCP |
2025-02-11T18:52:33.562723+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50000 | 103.117.135.13 | 80 | TCP |
2025-02-11T18:52:41.793528+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50002 | 47.254.140.255 | 80 | TCP |
2025-02-11T18:52:44.406328+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50003 | 47.254.140.255 | 80 | TCP |
2025-02-11T18:52:46.912489+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50004 | 47.254.140.255 | 80 | TCP |
2025-02-11T18:52:55.275305+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50006 | 208.91.197.27 | 80 | TCP |
2025-02-11T18:52:58.011456+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50007 | 208.91.197.27 | 80 | TCP |
2025-02-11T18:53:00.639171+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50008 | 208.91.197.27 | 80 | TCP |
2025-02-11T18:53:11.294102+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50010 | 18.163.74.139 | 80 | TCP |
2025-02-11T18:53:13.841032+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50011 | 18.163.74.139 | 80 | TCP |
2025-02-11T18:53:16.389385+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50012 | 18.163.74.139 | 80 | TCP |
2025-02-11T18:53:44.501343+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50014 | 188.114.97.3 | 80 | TCP |
2025-02-11T18:53:47.056337+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50015 | 188.114.97.3 | 80 | TCP |
2025-02-11T18:53:49.608440+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50016 | 188.114.97.3 | 80 | TCP |
2025-02-11T18:53:58.676255+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50018 | 156.226.63.13 | 80 | TCP |
2025-02-11T18:54:01.279618+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50019 | 156.226.63.13 | 80 | TCP |
2025-02-11T18:54:04.100618+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.9 | 50020 | 156.226.63.13 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Code function: | 11_2_06D0F68B |
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