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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28e18f02bd5bf443cfd3e0d236ee71b5164fefdbf867865d3743171f58cc576d. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28e18f02bd5bf443cfd3e0d236ee71b5164fefdbf867865d3743171f58cc576d
SHA3-384 hash: 9b3ed7f9e23dd0c4694694ab8b45772a35127534ec00fafeb182f6dab35dbb616248293ad3f1704d0ce2b89f8bc22209
SHA1 hash: af92b9917452a440191a8ea40b296d87299d2465
MD5 hash: 3d896dbfca0870471c70b15a5b683e7e
humanhash: beryllium-delta-cold-spring
File name:Teklif Talebi Bildirimi - 1540-0092RFQ26_202606100623256209 .wsf
Download: download sample
Signature Formbook
Create hunting rule
File size:29'263 bytes
First seen:2026-09-29 06:13:05 UTC
Last seen:Never
File type:
MIME type:text/xml
ssdeep 768:lIg19C3deEN1ZbVVfgvxrNzVx8lSIHnvvHx1ceod0Hi1DAq5+Iosx84T0N0l6O:i9kEIFosdDD
TLSH T1B0D21C445981648413736B7BA72AACE0F77B1B6B01844A07B93C7860EFF1D19EEE4DB1
Magika html
Reporter lowmal3
Tags:FormBook wsf

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2681.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac0bb0f59bf6e2f9e92daa8
Tags:
virus agent
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aspnet_compiler base64 downloader encrypted evasive evasive lolbin obfuscated obfuscated packed powershell reconnaissance
Link:
https://www.filescan.io/uploads/6abb56fcc34b0e6c2b1fa2c4/reports/17b54e75-df8d-4e91-bd06-ce0bc05e0e63/overview
Verdict:
Malicious
Labled as:
GT:JS.Acsogenixx.6479
Link:
https://www.hybrid-analysis.com/sample/28e18f02bd5bf443cfd3e0d236ee71b5164fefdbf867865d3743171f58cc576d
Verdict:
Malicious
File Type:
wsf
First seen:
2026-09-29T02:43:00Z UTC
Last seen:
2026-10-01T04:39:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/28e18f02bd5bf443cfd3e0d236ee71b5164fefdbf867865d3743171f58cc576d/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/1979253
Signature
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
Queues an APC in another process (thread injection)
Sigma detected: Script Initiated Connection to Non-Local Network
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: 1979253 Sample: Teklif Talebi Bildirimi - 1... Startdate: 29/09/2026 Architecture: WINDOWS Score: 100 44 www.memogame.com 2->44 46 www.janji33xxjp.site 2->46 48 19 other IPs or domains 2->48 60 Suricata IDS alerts for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 6 other signatures 2->66 8 wscript.exe 21 2->8         started        13 OotxRfRS6Mgt.exe 2->13 injected 15 12vA7Vdu.exe 2->15 injected 17 2 other processes 2->17 signatures3 process4 dnsIp5 52 reinigung-kosanke.de 202.61.233.234, 443, 49721 NETCUP-ASnetcupGmbHDE Germany 8->52 42 C:\Temp42O8VCYZQ.ps1, ASCII 8->42 dropped 82 System process connects to network (likely due to code injection or exploit) 8->82 84 Wscript starts Powershell (via cmd or directly) 8->84 86 Bypasses PowerShell execution policy 8->86 92 3 other signatures 8->92 19 powershell.exe 16 8->19         started        88 Maps a DLL or memory area into another process 13->88 90 Found direct / indirect Syscall (likely to bypass EDR) 13->90 22 msiexec.exe 13 13->22         started        24 msiexec.exe 13->24         started        26 msiexec.exe 15->26         started        54 www.memogame.com 121.254.178.253, 49752, 49753, 49754 LGDACOMLGDACOMCorporationKR South Korea 17->54 56 bili13xin12jiqun.cdn.dun555.com 149.104.32.140, 49771, 49772, 49773 CNSERVERS-CNSERVERSLLCUS United States 17->56 58 8 other IPs or domains 17->58 file6 signatures7 process8 signatures9 68 Writes to foreign memory regions 19->68 70 Injects a PE file into a foreign processes 19->70 28 aspnet_compiler.exe 19->28         started        31 aspnet_compiler.exe 19->31         started        33 aspnet_compiler.exe 19->33         started        39 27 other processes 19->39 72 Tries to steal Mail credentials (via file / registry access) 22->72 74 Modifies the context of a thread in another process (thread injection) 22->74 76 Maps a DLL or memory area into another process 22->76 80 2 other signatures 22->80 35 firefox.exe 22->35         started        78 Tries to harvest and steal browser information (history, passwords, etc) 26->78 37 firefox.exe 26->37         started        process10 dnsIp11 94 Modifies the context of a thread in another process (thread injection) 28->94 96 Maps a DLL or memory area into another process 28->96 98 Queues an APC in another process (thread injection) 28->98 100 Found direct / indirect Syscall (likely to bypass EDR) 31->100 50 mr-b01.tm-azurefd.net 150.171.109.71, 443, 49724 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS South Africa 39->50 102 Unusual module load detection (module proxying) 39->102 104 Switches to a custom stack to bypass stack traces 39->104 signatures12
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/28e18f02bd5bf443cfd3e0d236ee71b5164fefdbf867865d3743171f58cc576d
Verdict:
Malware
YARA:
3 match(es)
Tags:
Html Javascript T1059.007 WSF File
Link:
https://app.malva.re/file/3d896dbfca0870471c70b15a5b683e7e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28e18f02bd5bf443cfd3e0d236ee71b5164fefdbf867865d3743171f58cc576d/
Threat name:
Script-JS.Trojan.Acsogenixx
Create hunting rule
Status:
Malicious
First seen:
2026-09-29 06:02:32 UTC
File Type:
Text (XML)
Extracted files:
1
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdqy6av5lp2eht6t4djdn3trwule73637btymxjximlr6wgmk5wq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/36cfb24a-4b68-46b5-8779-05292efa7e99
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/260929-gywazsttgv/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
ConfuserEx .NET packer
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Enumerates connected drives
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/28e18f02bd5bf443cfd3e0d236ee71b5164fefdbf867865d3743171f58cc576d

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_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.

Comments