MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9aec4456156a193af2b3615f547fe796fc98aa7cf1587f6cab95fa92daaca7d. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
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SHA256 hash: b9aec4456156a193af2b3615f547fe796fc98aa7cf1587f6cab95fa92daaca7d
SHA3-384 hash: 074873fafc12b08960211a511a5f0551058f199e1f1ef62814807a6c6f0ea61ba0d9faf139c89077fc737cbb67234810
SHA1 hash: 1d0937062c8a8dd3c20775931799d289aa0081d6
MD5 hash: c2b8ed823c1eede86f501abada732f27
humanhash: moon-montana-cardinal-quebec
File name:New purchase order.jse
Download: download sample
Signature Formbook
Create hunting rule
File size:2'479 bytes
First seen:2025-01-29 08:38:53 UTC
Last seen:Never
File type:JScript (JSE) jse
MIME type:text/plain
ssdeep 48:rbHuxxwntjj1JWgmkDZmrYuS8NHa0zV7TeJ/qKgwobf:eXwRZYgmkN0VHNy5qKgw2
TLSH T1F451FE6E9E4AD3334276675AC15AC404EB57402B9611C201FDDCC985FF34A98CDA8BEE
Magika javascript
Reporter lowmal3
Tags:FormBook jse

Intelligence

File Origin
# of uploads :
1
# of downloads :
187
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6799eb9d29ae628cf42ad7a4
Tags:
virus spawn blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper evasive lolbin obfuscated regasm
Link:
https://www.filescan.io/uploads/6799e92a1dd12f0a59d45185/reports/42168677-996c-4226-8302-357030df1c64/overview
Verdict:
Malicious
Labled as:
JS/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/b9aec4456156a193af2b3615f547fe796fc98aa7cf1587f6cab95fa92daaca7d
Result
Verdict:
UNKNOWN
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1602049
Signature
.NET source code contains very large strings
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
JavaScript source code contains functionality to generate code involving a shell, file or stream
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
Performs DNS queries to domains with low reputation
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1602049 Sample: New purchase order.jse Startdate: 29/01/2025 Architecture: WINDOWS Score: 100 47 www.031233226.xyz 2->47 49 www.inbulkses.shop 2->49 51 8 other IPs or domains 2->51 75 Suricata IDS alerts for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for submitted file 2->79 83 7 other signatures 2->83 12 wscript.exe 1 16 2->12         started        signatures3 81 Performs DNS queries to domains with low reputation 47->81 process4 dnsIp5 59 files.catbox.moe 108.181.20.35, 443, 49705 ASN852CA Canada 12->59 45 C:\Temp\downloaded_script.ps1, ASCII 12->45 dropped 97 System process connects to network (likely due to code injection or exploit) 12->97 99 Wscript starts Powershell (via cmd or directly) 12->99 101 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->101 103 Suspicious execution chain found 12->103 17 powershell.exe 13 12->17         started        file6 signatures7 process8 file9 43 C:\Users\user\AppData\Local\Temp\x.exe, PE32 17->43 dropped 61 Suspicious execution chain found 17->61 63 Found suspicious powershell code related to unpacking or dynamic code loading 17->63 65 Powershell drops PE file 17->65 21 x.exe 3 17->21         started        24 conhost.exe 17->24         started        signatures10 process11 signatures12 85 Antivirus detection for dropped file 21->85 87 Multi AV Scanner detection for dropped file 21->87 89 Machine Learning detection for dropped file 21->89 91 3 other signatures 21->91 26 RegAsm.exe 21->26         started        29 RegAsm.exe 21->29         started        process13 signatures14 95 Maps a DLL or memory area into another process 26->95 31 chVhwKxovhhej3.exe 26->31 injected process15 signatures16 105 Maps a DLL or memory area into another process 31->105 107 Found direct / indirect Syscall (likely to bypass EDR) 31->107 34 wiaacmgr.exe 13 31->34         started        process17 signatures18 67 Tries to steal Mail credentials (via file / registry access) 34->67 69 Tries to harvest and steal browser information (history, passwords, etc) 34->69 71 Modifies the context of a thread in another process (thread injection) 34->71 73 3 other signatures 34->73 37 chVhwKxovhhej3.exe 34->37 injected 41 firefox.exe 34->41         started        process19 dnsIp20 53 031233226.xyz 144.76.229.203, 49726, 49727, 49728 HETZNER-ASDE Germany 37->53 55 www.16544.pizza 202.61.85.53, 49722, 49723, 49724 COMING-ASABCDEGROUPCOMPANYLIMITEDHK Hong Kong 37->55 57 4 other IPs or domains 37->57 93 Found direct / indirect Syscall (likely to bypass EDR) 37->93 signatures21
Score:
0%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/b9aec4456156a193af2b3615f547fe796fc98aa7cf1587f6cab95fa92daaca7d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9aec4456156a193af2b3615f547fe796fc98aa7cf1587f6cab95fa92daaca7d/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-01-28 08:53:45 UTC
File Type:
Text (VBS)
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgxmirlbk2qzhlzlgyk7kr76pfx4tcvhz4kyp5wkxfp2slnkzj6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/250129-kkbafaspcs/
Behaviour
Command and Scripting Interpreter: JavaScript
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b9aec4456156a193af2b3615f547fe796fc98aa7cf1587f6cab95fa92daaca7d

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.

File information

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

Malspam

Formbook

JScript (JSE) jse b9aec4456156a193af2b3615f547fe796fc98aa7cf1587f6cab95fa92daaca7d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments