Windows
Analysis Report
4TH HIRE SOA REMITTANCE_USD280,000.exe
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Yara detected AntiVM3
Yara detected FormBook
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
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
Sigma detected: Suspicious Process Parents
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
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 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
4TH HIRE SOA REMITTANCE_USD280,000.exe (PID: 7112 cmdline:
"C:\Users\ user\Deskt op\4TH HIR E SOA REMI TTANCE_USD 280,000.ex e" MD5: 7BFC6728400D041F90F6DD5B3F67AA38) powershell.exe (PID: 2172 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\4TH H IRE SOA RE MITTANCE_U SD280,000. exe" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) conhost.exe (PID: 5544 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) powershell.exe (PID: 4428 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\GRogNEH vcL.exe" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) conhost.exe (PID: 4112 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) WmiPrvSE.exe (PID: 7348 cmdline:
C:\Windows \system32\ wbem\wmipr vse.exe -s ecured -Em bedding MD5: 60FF40CFD7FB8FE41EE4FE9AE5FE1C51) schtasks.exe (PID: 4012 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\GRog NEHvcL" /X ML "C:\Use rs\user\Ap pData\Loca l\Temp\tmp 16FF.tmp" MD5: 48C2FE20575769DE916F48EF0676A965) conhost.exe (PID: 1848 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) 4TH HIRE SOA REMITTANCE_USD280,000.exe (PID: 7232 cmdline:
"C:\Users\ user\Deskt op\4TH HIR E SOA REMI TTANCE_USD 280,000.ex e" MD5: 7BFC6728400D041F90F6DD5B3F67AA38) vFRZZQiLgeOQDzGymvZVa.exe (PID: 6380 cmdline:
"C:\Progra m Files (x 86)\SsffkN IowRsReJBY lDZpsAqXDi YZSMDNIfLo WWAcjuRlhi YNTxfcNBJn SqzyGrAHTA T\vFRZZQiL geOQDzGymv ZVa.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) winver.exe (PID: 7780 cmdline:
"C:\Window s\SysWOW64 \winver.ex e" MD5: B5471B0FB5402FC318C82C994C6BF84D) vFRZZQiLgeOQDzGymvZVa.exe (PID: 6408 cmdline:
"C:\Progra m Files (x 86)\SsffkN IowRsReJBY lDZpsAqXDi YZSMDNIfLo WWAcjuRlhi YNTxfcNBJn SqzyGrAHTA T\vFRZZQiL geOQDzGymv ZVa.exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) firefox.exe (PID: 8052 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\Firefo x.exe" MD5: C86B1BE9ED6496FE0E0CBE73F81D8045)
GRogNEHvcL.exe (PID: 7280 cmdline:
C:\Users\u ser\AppDat a\Roaming\ GRogNEHvcL .exe MD5: 7BFC6728400D041F90F6DD5B3F67AA38) schtasks.exe (PID: 7484 cmdline:
"C:\Window s\System32 \schtasks. exe" /Crea te /TN "Up dates\GRog NEHvcL" /X ML "C:\Use rs\user\Ap pData\Loca l\Temp\tmp 30FF.tmp" MD5: 48C2FE20575769DE916F48EF0676A965) conhost.exe (PID: 7492 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) GRogNEHvcL.exe (PID: 7528 cmdline:
"C:\Users\ user\AppDa ta\Roaming \GRogNEHvc L.exe" MD5: 7BFC6728400D041F90F6DD5B3F67AA38)
- 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 | ||
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 13 entries |
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 |
|
System Summary |
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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: 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: | 05/27/24-12:43:42.301762 |
SID: | 2855465 |
Source Port: | 49727 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:44:39.831891 |
SID: | 2855465 |
Source Port: | 49743 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:42:49.943654 |
SID: | 2855465 |
Source Port: | 49714 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:44:53.365787 |
SID: | 2855465 |
Source Port: | 49747 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:44:11.323120 |
SID: | 2855465 |
Source Port: | 49735 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:44:24.871394 |
SID: | 2855465 |
Source Port: | 49739 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:45:49.969014 |
SID: | 2855465 |
Source Port: | 49763 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:43:29.047327 |
SID: | 2855465 |
Source Port: | 49723 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:46:03.256364 |
SID: | 2855465 |
Source Port: | 49767 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:45:07.664711 |
SID: | 2855465 |
Source Port: | 49751 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:43:13.994642 |
SID: | 2855465 |
Source Port: | 49719 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:45:21.505394 |
SID: | 2855465 |
Source Port: | 49755 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:43:57.157571 |
SID: | 2855465 |
Source Port: | 49731 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 05/27/24-12:45:36.194501 |
SID: | 2855465 |
Source Port: | 49759 |
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: | ReversingLabs: |
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Source: | Virustotal: | Perma Link |
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Networking |
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