MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8565170871451d3f8f3f886e3cfc024904c517c50e697335de6b517cf20cf8d3. 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: 6


Intelligence 6 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8565170871451d3f8f3f886e3cfc024904c517c50e697335de6b517cf20cf8d3
SHA3-384 hash: 50f0f4e823e9ae08757bbe852ff6384d8fae1dfc6aa0035486f3ea7b3da5480d1c50f3acca6eba36e5c7132cce462952
SHA1 hash: c304fb7c21594bc6bce7c9b90f62191b6a96bea8
MD5 hash: b341ea7c0b8edbe554f0181542eee0f8
humanhash: utah-texas-delta-fourteen
File name:Revised Document.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:270'261 bytes
First seen:2023-02-13 07:59:00 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 6144:/StkjpAiAEJsiN2kzJswzHXhWY9Nv35jVKRRvs5G/U4:qtkjpAW31zJLsY35pK/05G/x
TLSH T1DD4423A088DB81F2A2868D257D20AE5D805FB874357B77AB44C211D287DF87CBD47CE9
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""Samikshaa Sinha"<samikshaa.sinha@in-asgroup.com>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [45.137.22.136]) "
Date: "11 Feb 2023 08:11:26 +0100"
Subject: "RE: BKG REF.: 17713134 // NEW SHIPMENT- POLYMED - S22159628S - 2ELPAA005 / 2EMPAA001 / 2EMPAA003 - ASIA // 102001921/1020015923/1020015922"
Attachment: "Revised Document.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
File Archive Information

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

File name:Revised Document.exe
File size:285'046 bytes
SHA256 hash: 8aa4a5feee91f2caa993c9624153ee2ecbe97098fc7470a5103c408376b2a12a
MD5 hash: 99ac27ed7ab8bccf12782f4ffc8a3882
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20230211-0434.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e9edc7c586fd8a755dcf10/reports/3e88fdcd-e29e-46e6-84d7-82dedab049ad/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8565170871451d3f8f3f886e3cfc024904c517c50e697335de6b517cf20cf8d3
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/8565170871451d3f8f3f886e3cfc024904c517c50e697335de6b517cf20cf8d3
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8565170871451d3f8f3f886e3cfc024904c517c50e697335de6b517cf20cf8d3/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-11 11:25:19 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qvsrocdriuot7dz7rbxdz7acjecmkf6fbzuxgno6nnixz4qm7djq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230213-l3ydcsbh3t/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
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/8565170871451d3f8f3f886e3cfc024904c517c50e697335de6b517cf20cf8d3

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

zip 8565170871451d3f8f3f886e3cfc024904c517c50e697335de6b517cf20cf8d3

(this sample)

Formbook

Executable exe 8aa4a5feee91f2caa993c9624153ee2ecbe97098fc7470a5103c408376b2a12a

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 8aa4a5feee91f2caa993c9624153ee2ecbe97098fc7470a5103c408376b2a12a
  
Dropping
Formbook

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