MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed1ef433a6d30574a41747bc8dfa1357a74bc4a7ade49de2adaffb4c93f703be. 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 4 File information Comments
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SHA256 hash: ed1ef433a6d30574a41747bc8dfa1357a74bc4a7ade49de2adaffb4c93f703be
SHA3-384 hash: a6818de963e827346bf2cfed185b0317b175447534b49a7af01c7374067ededea0dc67d3ff592560289c5a09c87357de
SHA1 hash: 992116f43553ed51d173740bc5f8f01e2c873a51
MD5 hash: 7b3dd5e0048a8d81be2bafd910bfa4d2
humanhash: december-lithium-river-juliet
File name:2025-02-14.js
Download: download sample
Signature Formbook
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File size:6'612 bytes
First seen:2025-02-14 18:53:42 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:uV97KVTf0wav+aqF7/VL6hs7rlmjxpxaIj67rVA+d:uVlD/qN5NmjgIj0q8
Threatray 3 similar samples on MalwareBazaar
TLSH T19AD131453AD0A88C4A978F57B31FF0D5F4A909AF2AA98EC75604DDD1AC84461ECD1F32
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
468
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.PUA.JS.Obfus-2179.UNOFFICIAL
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SecuriteInfo.com.PUA.JS.Obfus-2525.UNOFFICIAL
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67af92c128ab76d43a5aee72
Tags:
shell virus agent
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex dropper evasive obfuscated obfuscated opendir opendir packed packed
Link:
https://www.filescan.io/uploads/67af9175633d7333628877e6/reports/3213a3f3-270d-47b4-9549-35c0fe0b4187/overview
Verdict:
Suspicious
Labled as:
Riskware.Script.Obfuscated
Link:
https://www.hybrid-analysis.com/sample/ed1ef433a6d30574a41747bc8dfa1357a74bc4a7ade49de2adaffb4c93f703be
Result
Verdict:
SUSPICIOUS
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1615371
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Potential obfuscated javascript found
Powershell drops PE file
Queues an APC in another process (thread injection)
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: 1615371 Sample: 2025-02-14.js Startdate: 14/02/2025 Architecture: WINDOWS Score: 100 45 www.balivegasbaru2.xyz 2->45 47 www.allenamento.xyz 2->47 49 5 other IPs or domains 2->49 71 Suricata IDS alerts for network traffic 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus detection for URL or domain 2->75 79 9 other signatures 2->79 12 wscript.exe 1 16 2->12         started        signatures3 77 Performs DNS queries to domains with low reputation 47->77 process4 dnsIp5 57 196.251.92.64, 49731, 80 Web4AfricaZA Seychelles 12->57 43 C:\Temp\dddddd.ps1, ASCII 12->43 dropped 97 System process connects to network (likely due to code injection or exploit) 12->97 99 JScript performs obfuscated calls to suspicious functions 12->99 101 Wscript starts Powershell (via cmd or directly) 12->101 103 2 other signatures 12->103 17 powershell.exe 13 12->17         started        file6 signatures7 process8 file9 41 C:\Users\user\AppData\Local\Temp\x.exe, PE32 17->41 dropped 67 Found suspicious powershell code related to unpacking or dynamic code loading 17->67 69 Powershell drops PE file 17->69 21 x.exe 3 17->21         started        24 conhost.exe 17->24         started        signatures10 process11 signatures12 83 Antivirus detection for dropped file 21->83 85 Multi AV Scanner detection for dropped file 21->85 87 Writes to foreign memory regions 21->87 89 2 other signatures 21->89 26 CasPol.exe 21->26         started        process13 signatures14 91 Maps a DLL or memory area into another process 26->91 29 NMhMNiokeHxHs.exe 26->29 injected process15 signatures16 93 Maps a DLL or memory area into another process 29->93 95 Found direct / indirect Syscall (likely to bypass EDR) 29->95 32 ROUTE.EXE 13 29->32         started        process17 signatures18 59 Tries to steal Mail credentials (via file / registry access) 32->59 61 Tries to harvest and steal browser information (history, passwords, etc) 32->61 63 Modifies the context of a thread in another process (thread injection) 32->63 65 3 other signatures 32->65 35 NMhMNiokeHxHs.exe 32->35 injected 39 firefox.exe 32->39         started        process19 dnsIp20 51 031234440.xyz 144.76.229.203, 61966, 61981, 61999 HETZNER-ASDE Germany 35->51 53 www.balivegasbaru2.xyz 172.67.207.50, 62051, 62067, 62083 CLOUDFLARENETUS United States 35->53 55 4 other IPs or domains 35->55 81 Found direct / indirect Syscall (likely to bypass EDR) 35->81 signatures21
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/ed1ef433a6d30574a41747bc8dfa1357a74bc4a7ade49de2adaffb4c93f703be
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ed1ef433a6d30574a41747bc8dfa1357a74bc4a7ade49de2adaffb4c93f703be/
Threat name:
Script-JS.Dropper.Heuristic
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Status:
Malicious
First seen:
2025-02-14 18:54:06 UTC
File Type:
Text (JavaScript)
AV detection:
2 of 37 (5.41%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5uppim5g2mcxjjaxi66i36qtk6tuxrfhvxsj3yvnv75uze7xao7a._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
59fb71290ce207860b2c0a30f03c57e63b5ff728636433f8463e7f3f78998cc8
Formbook
ed1ef433a6d30574a41747bc8dfa1357a74bc4a7ade49de2adaffb4c93f703be
Formbook
error
Formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250214-xkaecswren/
Behaviour
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Blocklisted process makes network request
Downloads MZ/PE file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ed1ef433a6d30574a41747bc8dfa1357a74bc4a7ade49de2adaffb4c93f703be

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:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:shellcode
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Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_obfuscated_JS_obfuscatorio
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Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

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