MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55ec95c791e23f56a3ed5085c8028f848d1f21640198f412efddd72aed800906. 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

SHA256 hash:	55ec95c791e23f56a3ed5085c8028f848d1f21640198f412efddd72aed800906
SHA3-384 hash:	23243c6d55780de98680ef264c7ec006a5b5ddf7d5fc53233dc65587160598a340b0cac17c9eac8c54bf7e9eda9ce60b
SHA1 hash:	7eb3b22bfa11382aacb232df18abb46f2577e01e
MD5 hash:	a29b20cb89401d0e535204f6c4513bd4
humanhash:	washington-harry-oscar-pasta
File name:	PA-2021223009717.JS
Download:	download sample
Signature	Formbook Alert Create hunting rule
File size:	5'790'328 bytes
First seen:	2026-01-30 12:45:09 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	98304:4GUMSKyl/vum20w3jjThRS+kJ7O73GjoaNvxTliMmUguzAZb5S3aNsdDJS:SMgu8wzvWOSnVlNmm0ZXNkJS
Threatray	169 similar samples on MalwareBazaar
TLSH	T130465DC1275470B0971B4FBD2632BAE8E0C918973CC5CB367106F9E2BA6941BE7546F2
Magika	javascript
Reporter	abuse_ch
Tags:	FormBook js

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

115

Origin country :

SE

Vendor Threat Intelligence

ACCE Unknown

No detections

ClamAV Detected

Detection(s):

SecuriteInfo.com.Other.Malware-gen.83754141.UNOFFICIAL

Alert

Create hunting rule

CyberFortress Malicious

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=697ca80597ed63deecb495e0

Tags:

obfuscate xtreme blic

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

aes base64 base64 base64 crypto evasive obfuscated obfuscated powershell privilege reconnaissance repaired

Link:

https://www.filescan.io/uploads/697ca7f3930564ff3c7ea3b7/reports/cc213a8a-313c-4d50-a0e0-43566f8644a6/overview

Hybrid Analysis JS/Agent.DLR

Verdict:

Suspicious

Labled as:

JS/Agent.DLR

Link:

https://www.hybrid-analysis.com/sample/55ec95c791e23f56a3ed5085c8028f848d1f21640198f412efddd72aed800906

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2026-01-30T09:00:00Z UTC

Last seen:

2026-02-01T03:17:00Z UTC

Hits:

~100

Detections:

Trojan.JS.SAgent.sb PDM:Trojan.Win32.Generic HEUR:Trojan.PowerShell.Tesre.sb HEUR:Trojan.Win32.Agentb.gen HEUR:Trojan.Script.Generic

Link:

https://opentip.kaspersky.com/55ec95c791e23f56a3ed5085c8028f848d1f21640198f412efddd72aed800906/results?tab=lookup

Joe Sandbox FormBook

Result

Threat name:

FormBook

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1860449

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

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

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)

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: PowerShell Base64 Encoded IEX Cmdlet

Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder

Sigma detected: WScript or CScript Dropper

Suspicious execution chain found

Suspicious powershell command line 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)

Unusual module load detection (module proxying)

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

Yara detected Powershell decode and execute

Behaviour

Behavior Graph:

Download SVG

Malva.RE

Gathering data

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/55ec95c791e23f56a3ed5085c8028f848d1f21640198f412efddd72aed800906/

Neiki Trojan.PowerShell.Tesre

Verdict:

Malicious

Threat:

Trojan.PowerShell.Tesre

Link:

https://tip.neiki.dev/file/55ec95c791e23f56a3ed5085c8028f848d1f21640198f412efddd72aed800906

ReversingLabs TitaniumCloud Win32.Trojan.Generic

Threat name:

Win32.Trojan.Generic

Alert

Create hunting rule

Status:

Suspicious

First seen:

2026-01-30 11:38:49 UTC

File Type:

Binary

AV detection:

6 of 37 (16.22%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kxwjlr4r4i7vni7nkcc4qaupqsgr6ileagmpiexp3xlsv3mabeda._file

Threatray formbook

Verdict:

malicious

Label(s):

formbook

Alert

Create hunting rule

Similar samples:

2d69b310e05770207e0dfbc31f64586a5edefe9fa24ec1c66bada9d50a2f5d05

Formbook

533da1872324407ac2f8ccee9315fd3848b9407fdb921236f9a350e0294795e7

Formbook

5c14e62176fe6f93827864b3359fc15f2f36a5d88cbab42799a9494f38137139

Formbook

68d22e4c9a51915c544363615ed5aeb6e1a1c910367c16de46cde01d89953674

Formbook

898577462fa7aab7e8e185c3266d7562954578e3bceaa11e694ce45f0434c347

Formbook

9f9a7fd9f0d602ab0170d36da2e78425d9b469c691bf45dbf66e490d39b4790a

Formbook

a5f96fa2821453e5c74f060e18b77424990f72e6387c60caff32a35d02c29758

Formbook

ab8f034b89a3f3f3c7a77d3e5824fd4e4deb9734aa650cc78b0c3001e93a2a48

Formbook

b7bb8b7264e4deecc1009400a76c2b8aa1e6c7d972f7908d9b0ab79cb6d788a1

Formbook

error

Formbook

ff76c599e55cf1df34e0ccb7e3c30fa26402c11c3a561b3e33e9d0d3f3483beb

Formbook

+ 159 additional samples on MalwareBazaar

Hatching Triage formbook

Result

Malware family:

formbook

Alert

Create hunting rule

Score:

  10/10

Tags:

family:formbook discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/260130-pzh12scy3f/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Formbook payload

Formbook

Formbook family

VMRay DnlibLoader

Malware family:

DnlibLoader

Alert

Create hunting rule

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/55ec95c791e2/report/overview.html

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/55ec95c791e23f56a3ed5085c8028f848d1f21640198f412efddd72aed800906