MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20e04e2ac69c737284c01415435aa5c0c0131406848c1adfc1cc4fa7e6bafae0. 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 4 File information Comments
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SHA256 hash: 20e04e2ac69c737284c01415435aa5c0c0131406848c1adfc1cc4fa7e6bafae0
SHA3-384 hash: 89e75e166f0e56b50d864741c78fa6b16635f7f7b2f4984b3733e3fa462324b1208595aeecf4569cd009229d78ca6e18
SHA1 hash: 4b86797f7ba9774e6b2300e2cd9a0c93eccdacb0
MD5 hash: cbe5a8b6f23dbb55c8e4b64f507da2e1
humanhash: zulu-echo-aspen-oklahoma
File name:xxx.ps1
Download: download sample
Signature Formbook
Create hunting rule
File size:450'000 bytes
First seen:2025-01-30 12:38:31 UTC
Last seen:2025-02-14 10:58:16 UTC
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 12288:B5vCikO9nOBLa2Bfzo5rGDiePfNHb95c2y:B5lkbzo5mhbjc2y
TLSH T1FAA4E0308814B82FCEEF1F43A5152FD77C79167BDE911408E14F86B85A6863929BBF24
Magika powershell
Reporter TeamDreier
Tags:196-251-92-64 FormBook ps1

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
DK DK
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
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SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
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Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679b73d239cd5095f12c4fd5
Tags:
virus shell spawn
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuserex dropper obfuscated obfuscated packed packed
Link:
https://www.filescan.io/uploads/679b72f5414c56eb9502b829/reports/1265c03c-a6bf-48cb-b2e1-c3acf9c2c706/overview
Verdict:
Malicious
Labled as:
PowerShell/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/20e04e2ac69c737284c01415435aa5c0c0131406848c1adfc1cc4fa7e6bafae0
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1603025
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
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
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Powershell drops PE file
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Suspicious execution chain 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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1603025 Sample: xxx.ps1 Startdate: 30/01/2025 Architecture: WINDOWS Score: 100 37 www.hotethereum.xyz 2->37 39 www.satoshichecker.xyz 2->39 41 10 other IPs or domains 2->41 49 Suricata IDS alerts for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 57 4 other signatures 2->57 11 powershell.exe 16 2->11         started        signatures3 55 Performs DNS queries to domains with low reputation 39->55 process4 file5 35 C:\Users\user\AppData\Local\Temp\x.exe, PE32 11->35 dropped 71 Suspicious execution chain found 11->71 73 Found suspicious powershell code related to unpacking or dynamic code loading 11->73 75 Powershell drops PE file 11->75 15 x.exe 2 11->15         started        18 conhost.exe 11->18         started        signatures6 process7 signatures8 79 Antivirus detection for dropped file 15->79 81 Multi AV Scanner detection for dropped file 15->81 83 Machine Learning detection for dropped file 15->83 85 3 other signatures 15->85 20 RegAsm.exe 15->20         started        process9 signatures10 59 Maps a DLL or memory area into another process 20->59 23 7kJphhlah.exe 20->23 injected process11 signatures12 61 Found direct / indirect Syscall (likely to bypass EDR) 23->61 26 svchost.exe 13 23->26         started        process13 signatures14 63 Tries to steal Mail credentials (via file / registry access) 26->63 65 Tries to harvest and steal browser information (history, passwords, etc) 26->65 67 Modifies the context of a thread in another process (thread injection) 26->67 69 3 other signatures 26->69 29 7kJphhlah.exe 26->29 injected 33 firefox.exe 26->33         started        process15 dnsIp16 43 birbacher.online 217.160.0.24, 49731, 49732, 49733 ONEANDONE-ASBrauerstrasse48DE Germany 29->43 45 bellysweep.net 84.32.84.32, 49722, 49723, 49724 NTT-LT-ASLT Lithuania 29->45 47 4 other IPs or domains 29->47 77 Found direct / indirect Syscall (likely to bypass EDR) 29->77 signatures17
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/20e04e2ac69c737284c01415435aa5c0c0131406848c1adfc1cc4fa7e6bafae0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/20e04e2ac69c737284c01415435aa5c0c0131406848c1adfc1cc4fa7e6bafae0/
Threat name:
Script-PowerShell.Backdoor.FormBook
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Status:
Malicious
First seen:
2025-01-29 19:45:20 UTC
File Type:
Text
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=edqe4kwgtrzxfbgacqkugwvfydabgfagqsgbvx6bzrh2pzv27lqa._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250130-pvl7xatjhj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

PowerShell (PS) ps1 20e04e2ac69c737284c01415435aa5c0c0131406848c1adfc1cc4fa7e6bafae0

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
URLhaus
https://urlhaus.abuse.ch/url/3418684/

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