MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bff4e62694c734a55ffa6ce598b52de6078dfec2f045325da187e72bdf6bd978. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bff4e62694c734a55ffa6ce598b52de6078dfec2f045325da187e72bdf6bd978
SHA3-384 hash: 28166a87f49883afc813f63bdb1adee94c6294d5240316bf8b0582a16360fdc0731e6da94bb0cf07e1709c25692cfad4
SHA1 hash: d5c150675696a0c5cf5ea2c57d2ea8909339560b
MD5 hash: fe3552fc3e6d7ede15f31ef97da2e288
humanhash: floor-skylark-juliet-zulu
File name:Rspot
Download: download sample
Signature Formbook
Create hunting rule
File size:1'589'368 bytes
First seen:2025-02-21 09:53:39 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:sSuaCUcNnCuRI26Yuc+NWPXA+qMXUN83wX9bKzIAZ2EVILNyMipNYh:upzB6jOyowX9kkJy1v0
TLSH T1E775C036C916BCDE371E390C98043D420D581F8B46A65A68FD4D5AB63B89E02DF6F4BC
Magika powershell
Reporter skocherhan
Tags:FormBook ps1


Avatar
skocherhan
https://www.atc-secure.com/Rspot

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
GB GB
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.VBS.EmbeddedEXE-2.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b879cb28ab76d43a5c4754
Tags:
autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit dropper exploit fingerprint keylogger obfuscated obfuscated packed powershell
Link:
https://www.filescan.io/uploads/67b84d485b81efb9a696ba7f/reports/5c0ef710-5f68-443b-9b8b-400eaa8cd69d/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bff4e62694c734a55ffa6ce598b52de6078dfec2f045325da187e72bdf6bd978
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1620956
Signature
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1620956 Sample: Rspot.ps1 Startdate: 21/02/2025 Architecture: WINDOWS Score: 100 39 www.serenepath.life 2->39 41 rtp189z.lat 2->41 43 12 other IPs or domains 2->43 61 Suricata IDS alerts for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 3 other signatures 2->67 11 powershell.exe 16 2->11         started        15 notepad.exe 5 2->15         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\Temp\x.exe, PE32 11->37 dropped 73 Binary is likely a compiled AutoIt script file 11->73 75 Found suspicious powershell code related to unpacking or dynamic code loading 11->75 77 Powershell drops PE file 11->77 17 x.exe 2 11->17         started        20 conhost.exe 11->20         started        signatures6 process7 signatures8 53 Multi AV Scanner detection for dropped file 17->53 55 Binary is likely a compiled AutoIt script file 17->55 57 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->57 59 3 other signatures 17->59 22 svchost.exe 17->22         started        process9 signatures10 69 Maps a DLL or memory area into another process 22->69 25 HozKSBgw2FiAxaUQEbNr.exe 22->25 injected process11 signatures12 71 Found direct / indirect Syscall (likely to bypass EDR) 25->71 28 sxstrace.exe 13 25->28         started        process13 signatures14 79 Tries to steal Mail credentials (via file / registry access) 28->79 81 Tries to harvest and steal browser information (history, passwords, etc) 28->81 83 Modifies the context of a thread in another process (thread injection) 28->83 85 3 other signatures 28->85 31 HozKSBgw2FiAxaUQEbNr.exe 28->31 injected 35 firefox.exe 28->35         started        process15 dnsIp16 45 www.serenepath.life 67.223.117.189, 49977, 49978, 49979 VIMRO-AS15189US United States 31->45 47 expertwriting.biz 54.39.129.84, 49997, 49998, 49999 OVHFR Canada 31->47 49 6 other IPs or domains 31->49 51 Found direct / indirect Syscall (likely to bypass EDR) 31->51 signatures17
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/bff4e62694c734a55ffa6ce598b52de6078dfec2f045325da187e72bdf6bd978
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bff4e62694c734a55ffa6ce598b52de6078dfec2f045325da187e72bdf6bd978/
Threat name:
Script-PowerShell.Trojan.Boxter
Create hunting rule
Status:
Malicious
First seen:
2025-01-21 19:10:45 UTC
File Type:
Text
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x72omjuuy42kkx72ntszrnjn4ydy37wc6bctexnbq7tsxx3l3f4a._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250221-qa1egasndm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bff4e62694c734a55ffa6ce598b52de6078dfec2f045325da187e72bdf6bd978

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:SUSP_PS1_FromBase64String_Content_Indicator_RID3714
Create hunting rule
Author:Florian Roth
Description:Detects suspicious base64 encoded PowerShell expressions
Reference:https://gist.github.com/Neo23x0/6af876ee72b51676c82a2db8d2cd3639

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

PowerShell (PS) ps1 bff4e62694c734a55ffa6ce598b52de6078dfec2f045325da187e72bdf6bd978

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3409030/
  
Delivery method
Distributed via web download

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