MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c93205f865b50042c23285e94274427a793a3678b83ae3dc852289b386432d35. 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: 9


Intelligence 9 IOCs YARA 28 File information Comments
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SHA256 hash: c93205f865b50042c23285e94274427a793a3678b83ae3dc852289b386432d35
SHA3-384 hash: 059b5deff857753c60744eb13d1ea357c197e277c4dbdb3b3160cce884accf07dd91dd832004655ddcc7e58d92c5da95
SHA1 hash: 2d778f420a638fcb15885b09647d5c358382923c
MD5 hash: b8c255bc6db596b7557ee0543fab8954
humanhash: mountain-montana-pizza-equal
File name:13916 DOCUMENT.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:736'353 bytes
First seen:2025-05-02 09:26:54 UTC
Last seen:2025-05-02 09:27:54 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:OgN6hVR0bfA7/dJk0wVyOFDBp5I4mm/iTO+xyn7D8hIz/hbcoWJI1sFx8jREeUYf:5sfldJk0wVyOFEofn7IyJIoGFytEVE64
TLSH T1A7F423334D2F39BAD60589A53EE725CAD16537E66ACC2D0CB4C953F498B8DB30A6C704
Magika zip
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Ravindra Kariwala <info@drrohitdeshmukh.in>" (likely spoofed)
Received: "from serene-liskov.185-39-207-102.plesk.page (unknown [185.39.207.102]) "
Date: "01 May 2025 22:16:46 -0700"
Subject: "Document from Ravindra Kariwala 13916"
Attachment: "13916 DOCUMENT.zip"

Intelligence

File Origin
# of uploads :
3
# of downloads :
369
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:13916 DOCUMENT.exe
File size:1'172'992 bytes
SHA256 hash: cb395d29f36dac3e08f53b91801cda518fb25f56f291032fcebcf66d13cf13b7
MD5 hash: f21e21ffeef966f98efe16a4d967bd33
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.AutoIt.Agent-AOQ.UNOFFICIAL
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SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
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Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68148c9b4355f44aee684c38
Tags:
autoit emotet
Result
Verdict:
Suspicious
File Type:
PE File
Link:
https://app.docguard.net/c93205f865b50042c23285e94274427a793a3678b83ae3dc852289b386432d35/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/68148fedb880b22541a9b0f6/reports/01079a6d-a7a1-4502-affb-0005fecb5aef/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c93205f865b50042c23285e94274427a793a3678b83ae3dc852289b386432d35
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/c93205f865b50042c23285e94274427a793a3678b83ae3dc852289b386432d35
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/c93205f865b50042c23285e94274427a793a3678b83ae3dc852289b386432d35
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c93205f865b50042c23285e94274427a793a3678b83ae3dc852289b386432d35/
Threat name:
Script-AutoIt.Trojan.Nymeria
Create hunting rule
Status:
Malicious
First seen:
2025-05-02 09:25:09 UTC
File Type:
Binary (Archive)
Extracted files:
24
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zezal6dfwuaefqrsqxuue5ccpj4tuntyxa5ohxefeke3hbsdfu2q._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250502-n4mz5abr4x/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
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/c93205f865b50042c23285e94274427a793a3678b83ae3dc852289b386432d35

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:AutoIT_Compiled
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Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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)
Rule name:Windows_Generic_Threat_aeaeb5cf
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12
Rule name:win_rat_generic
Create hunting rule
Author:Reedus0
Description:Rule for detecting generic RAT malware
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Malspam

Formbook

zip c93205f865b50042c23285e94274427a793a3678b83ae3dc852289b386432d35

(this sample)

Formbook

Executable exe cb395d29f36dac3e08f53b91801cda518fb25f56f291032fcebcf66d13cf13b7

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 cb395d29f36dac3e08f53b91801cda518fb25f56f291032fcebcf66d13cf13b7
  
Dropping
Formbook
  
Dropping
MD5 f21e21ffeef966f98efe16a4d967bd33

Comments