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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20ef2e404fab9b92936af4ee20cddf5513cfb909fa5a8fb3a0f9c6b32ee2a17d. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20ef2e404fab9b92936af4ee20cddf5513cfb909fa5a8fb3a0f9c6b32ee2a17d
SHA3-384 hash: b87225c674c203402f88e74eb90edd1ffd11753a8c74c3a6b9e6e9a3171af737aa247535f4936fd5a08185f6f38918e0
SHA1 hash: ab1e506182487b823e6e9c0b8632e62bfe1e96da
MD5 hash: 0b52fa366cd4751b66d48a1ba735b579
humanhash: four-mars-virginia-eighteen
File name:RFQ – Supply of Carbon Steel Pipes, Fittings, Flanges & Related Piping Materials (SHESB)_xlsx.wsf
Download: download sample
Signature Formbook
Create hunting rule
File size:30'652 bytes
First seen:2026-10-13 06:01:45 UTC
Last seen:2026-10-13 06:04:11 UTC
File type:
MIME type:text/xml
ssdeep 768:vHfrI66g60sBmvn+UkpT1bJDlgvc1VkUGFoze1Mj8520+P8g2r7xfFvlocCs96xY:PfrtsBmv4OVxfFFt
TLSH T19FD2DC045986B49063726B7BA72AA8E5F7370A6701848907B87C7884EFF1D09DEF4DB1
Magika xml
Reporter lowmal3
Tags:FormBook wsf

Intelligence

File Origin
# of uploads :
3
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2681.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
GT:JS.Acsogenixx.6479
Link:
https://www.hybrid-analysis.com/sample/20ef2e404fab9b92936af4ee20cddf5513cfb909fa5a8fb3a0f9c6b32ee2a17d
Verdict:
Malicious
File Type:
wsf
First seen:
2026-10-13T00:23:00Z UTC
Last seen:
2026-10-14T04:13:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/20ef2e404fab9b92936af4ee20cddf5513cfb909fa5a8fb3a0f9c6b32ee2a17d/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1986299
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected malicious Powershell script
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Generic JS Downloader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1986299 Sample: Q #U2013 Supply of Carbon S... Startdate: 13/10/2026 Architecture: WINDOWS Score: 100 35 www.4526611.xyz 2->35 37 www.travcastx.com 2->37 39 19 other IPs or domains 2->39 63 Suricata IDS alerts for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 71 7 other signatures 2->71 8 wscript.exe 21 2->8         started        13 HmWUJNWbQPt9.exe 2->13 injected 15 KWIyhtOWmuEBb8.exe 2->15 injected signatures3 69 Performs DNS queries to domains with low reputation 35->69 process4 dnsIp5 41 lawcharge-center.net 172.67.223.156, 443, 49720 CLOUDFLARENET-CloudflareIncUS Canada 8->41 33 C:\Temp\F6RSKORY.ps1, ASCII 8->33 dropped 85 System process connects to network (likely due to code injection or exploit) 8->85 87 Wscript starts Powershell (via cmd or directly) 8->87 89 Bypasses PowerShell execution policy 8->89 95 3 other signatures 8->95 17 powershell.exe 16 8->17         started        91 Maps a DLL or memory area into another process 13->91 93 Found direct / indirect Syscall (likely to bypass EDR) 13->93 20 w32tm.exe 13 13->20         started        43 104.219.250.36, 49734, 49735, 49744 NAMECHEAP-NET-NamecheapIncUS United States 15->43 45 4526611.xyz 199.188.201.235, 49756, 49757, 49758 NAMECHEAP-NET-NamecheapIncUS United States 15->45 47 8 other IPs or domains 15->47 file6 signatures7 process8 signatures9 49 Writes to foreign memory regions 17->49 51 Sample uses process hollowing technique 17->51 53 Injects a PE file into a foreign processes 17->53 22 aspnet_compiler.exe 17->22         started        25 aspnet_compiler.exe 17->25         started        27 conhost.exe 17->27         started        31 29 other processes 17->31 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Modifies the context of a thread in another process (thread injection) 20->59 61 3 other signatures 20->61 29 firefox.exe 20->29         started        process10 signatures11 73 Modifies the context of a thread in another process (thread injection) 22->73 75 Maps a DLL or memory area into another process 22->75 77 Queues an APC in another process (thread injection) 22->77 79 Found direct / indirect Syscall (likely to bypass EDR) 22->79 81 Unusual module load detection (module proxying) 25->81 83 Switches to a custom stack to bypass stack traces 25->83
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/20ef2e404fab9b92936af4ee20cddf5513cfb909fa5a8fb3a0f9c6b32ee2a17d
Verdict:
Malware
YARA:
3 match(es)
Tags:
Html Javascript T1059.007 WSF File
Link:
https://app.malva.re/file/0b52fa366cd4751b66d48a1ba735b579
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/20ef2e404fab9b92936af4ee20cddf5513cfb909fa5a8fb3a0f9c6b32ee2a17d/
Threat name:
Script-JS.Trojan.Acsogenixx
Create hunting rule
Status:
Malicious
First seen:
2026-10-13 04:16:26 UTC
File Type:
Text (XML)
Extracted files:
1
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=edxs4qcpvonzfe3k6txcbto7kuj47oij7jni7m5a7hdlglxcuf6q._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/36a70b9f-6c52-4486-bbbc-d49fc649f834
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware collection defense_evasion discovery execution privilege_escalation rat spyware stealer trojan
Link:
https://tria.ge/reports/261013-grkwnsssgy/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Family: Formbook
Formbook payload
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/20ef2e404fab9b92936af4ee20cddf5513cfb909fa5a8fb3a0f9c6b32ee2a17d

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_JS_HexObfuscated_ActiveX_Launcher
Create hunting rule
Author:Marjoriefort
Description:JS obfusque (identifiants _0x) instanciant ActiveX sous WScript - dropper JScript frais
Reference:Veille fraicheur 2026-09-14 / cluster JS _0x
Rule name:SUSP_obfuscated_JS_obfuscatorio
Create hunting rule
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Malspam

Formbook

20ef2e404fab9b92936af4ee20cddf5513cfb909fa5a8fb3a0f9c6b32ee2a17d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments