MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a692d9cd00af372a17a9a50d8bccac5f2475d87d60e5508f8fdd841e79754b1. 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: 7


Intelligence 7 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a692d9cd00af372a17a9a50d8bccac5f2475d87d60e5508f8fdd841e79754b1
SHA3-384 hash: 28a0477169491cab2c8152665013582f21711cff21af38955223eb9a2f57c0dff452c4084fa51155c474693aaf40d6e6
SHA1 hash: 3d5b8b90b37db31136d36734656d9070e3555009
MD5 hash: 5f72d86ea23a72ba7f337f27d1aeef6c
humanhash: oven-lion-vegan-arkansas
File name:INVOICE#20231025.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:608'058 bytes
First seen:2023-11-09 20:01:32 UTC
Last seen:2023-11-09 21:06:04 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:488on8usIocdkr4f0/06qXZYH2zZBb+Q6VXY3e4bGe24HUih:488FcCJ2YWzZJ+Qg94bGNfY
TLSH T19BD433462A0F048F724CB30CB673D2D7D3D045D806A399B664F4992D9C2F98689F7A5F
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook INVOICE rar


Avatar
cocaman
Malicious email (T1566.001)
From: "=?UTF-8?B?QWxpIFlhdnV6IMOHRVbEsEs=?= <pazarlama@kuparpompa.com>" (likely spoofed)
Received: "from [86.38.225.108] (unknown [86.38.225.108]) "
Date: "9 Nov 2023 04:28:08 -0800"
Subject: "Re: PO No. PO/KUCUKPARMAK-046M/2023"
Attachment: "INVOICE#20231025.rar"

Intelligence

File Origin
# of uploads :
46
# of downloads :
95
Origin country :
CH CH
File Archive Information

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

File name:INVOICE#20231025.exe
File size:735'744 bytes
SHA256 hash: 50fc82d5c17dd18d51f9c65c690592c4af3717d213fec18bc06543729bc464bd
MD5 hash: 3c57347ada75cddec062a5fc33d52773
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/2a692d9cd00af372a17a9a50d8bccac5f2475d87d60e5508f8fdd841e79754b1/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/654d3abe886b1623ff3cf6af/reports/e44235ef-faef-4674-bca1-7009a8e188d4/overview
Verdict:
Malicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/2a692d9cd00af372a17a9a50d8bccac5f2475d87d60e5508f8fdd841e79754b1
Result
Verdict:
MALICIOUS
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/2a692d9cd00af372a17a9a50d8bccac5f2475d87d60e5508f8fdd841e79754b1/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-11-09 18:54:43 UTC
File Type:
Binary (Archive)
Extracted files:
14
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fjus3hgqblzxfil2tjinrpgkyxzeoxmh2yhfkchy7xmedz4xksyq._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/2a692d9cd00af372a17a9a50d8bccac5f2475d87d60e5508f8fdd841e79754b1

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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_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

rar 2a692d9cd00af372a17a9a50d8bccac5f2475d87d60e5508f8fdd841e79754b1

(this sample)

Formbook

Executable exe 50fc82d5c17dd18d51f9c65c690592c4af3717d213fec18bc06543729bc464bd

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 50fc82d5c17dd18d51f9c65c690592c4af3717d213fec18bc06543729bc464bd
  
Dropping
Formbook
  
Dropping
MD5 3c57347ada75cddec062a5fc33d52773

Comments