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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b4e57b7b1dd0cabfb5e5d8643e4e07b1f7fb09c45ce6b07aad1722f6d95343f. 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
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SHA256 hash: 1b4e57b7b1dd0cabfb5e5d8643e4e07b1f7fb09c45ce6b07aad1722f6d95343f
SHA3-384 hash: 8d65694fb3a2d064cf8ccd34d10fb91a52d2bc81d067a124be3cbb6074202e95c6d74e10634bf5d547e7d43a114f7340
SHA1 hash: 62b332ba76dd9f625c963c3aa8300470bf0fd1f5
MD5 hash: 4cc53ec83ce94edff25f3d270814ae32
humanhash: low-fanta-papa-stream
File name:SHE_0019 RFQ 196_26. Provision of Supply and Deliver Spare Parts 08192026.js
Download: download sample
Signature Formbook
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File size:74'203 bytes
First seen:2026-08-19 07:46:43 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:D35GV11mTjYvnVyrBVFgBBFna1UHG+7Ra:9GxRFD4
TLSH T18173F00458D3398453777BBFA32B98D4F67A076700844907B9BCA481AFF1D1ADAE0DB9
Magika javascript
Reporter lowmal3
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
185
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2303.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
encrypted evasive obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/6a855f8cf508cd54075aeb36/reports/4df139db-3bb8-4262-85e1-5940aa3b32a2/overview
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/1b4e57b7b1dd0cabfb5e5d8643e4e07b1f7fb09c45ce6b07aad1722f6d95343f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1960214
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
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)
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 Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1960214 Sample: SHE_0019 RFQ 196_26. Provis... Startdate: 19/08/2026 Architecture: WINDOWS Score: 100 41 www.tennesseeartist.com 2->41 43 www.cydevv.com 2->43 45 17 other IPs or domains 2->45 61 Suricata IDS alerts for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Yara detected FormBook 2->65 67 8 other signatures 2->67 11 wscript.exe 21 2->11         started        signatures3 process4 dnsIp5 53 alahlam.sa 152.53.247.157, 443, 49711 NETCUP-ASnetcupGmbHDE Germany 11->53 39 C:\Temp\I9IIN881.ps1, ASCII 11->39 dropped 85 System process connects to network (likely due to code injection or exploit) 11->85 87 JScript performs obfuscated calls to suspicious functions 11->87 89 Wscript starts Powershell (via cmd or directly) 11->89 91 4 other signatures 11->91 16 powershell.exe 16 11->16         started        file6 signatures7 process8 signatures9 55 Writes to foreign memory regions 16->55 57 Sample uses process hollowing technique 16->57 59 Injects a PE file into a foreign processes 16->59 19 aspnet_compiler.exe 16->19         started        22 aspnet_compiler.exe 16->22         started        24 conhost.exe 16->24         started        26 23 other processes 16->26 process10 signatures11 69 Modifies the context of a thread in another process (thread injection) 19->69 71 Maps a DLL or memory area into another process 19->71 73 Queues an APC in another process (thread injection) 19->73 75 Found direct / indirect Syscall (likely to bypass EDR) 19->75 28 cuy6hn8kMoTqS5.exe 19->28 injected 77 Unusual module load detection (module proxying) 22->77 79 Switches to a custom stack to bypass stack traces 22->79 process12 signatures13 81 Maps a DLL or memory area into another process 28->81 83 Found direct / indirect Syscall (likely to bypass EDR) 28->83 31 proquota.exe 13 28->31         started        process14 signatures15 93 Tries to steal Mail credentials (via file / registry access) 31->93 95 Tries to harvest and steal browser information (history, passwords, etc) 31->95 97 Modifies the context of a thread in another process (thread injection) 31->97 99 3 other signatures 31->99 34 JL33FA8LZiHoJ.exe 31->34 injected 37 firefox.exe 31->37         started        process16 dnsIp17 47 www.cydevv.com 95.216.88.152, 49750, 49751, 49752 HETZNER-ASDE Finland 34->47 49 www.artron.net 124.202.145.231, 49770, 49771, 80 CNIX-APChinaNetworksInter-ExchangeCN China 34->49 51 9 other IPs or domains 34->51
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/1b4e57b7b1dd0cabfb5e5d8643e4e07b1f7fb09c45ce6b07aad1722f6d95343f
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b4e57b7b1dd0cabfb5e5d8643e4e07b1f7fb09c45ce6b07aad1722f6d95343f/
Threat name:
Script-JS.Backdoor.FormBook
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Status:
Malicious
First seen:
2026-08-19 07:30:24 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dnhfpn5r3ugkx626lwdehzhapmpx7me4ixhgwb5k2fzc63mvgq7q._file
Verdict:
malicious
Label(s):
Formbook
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Link:
https://reports.threatray.com/76e27793-2fe5-4d0b-bd31-4fe1ef93f989
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook adware collection discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260819-jmq81afp5s/
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: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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/1b4e57b7b1dd0cabfb5e5d8643e4e07b1f7fb09c45ce6b07aad1722f6d95343f

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:Sus_CMD_Powershell_Usage
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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