MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8af4a5695d4c31bb612b98cc148da904a42d332eae1a73ba43530cbcda9778f7. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8af4a5695d4c31bb612b98cc148da904a42d332eae1a73ba43530cbcda9778f7
SHA3-384 hash: 7705ecc71e99f66edcc5af9902730add5cf6dedcaa35ee51ab3f1561b253f24f64390dbb46ae1b08c5c9d0e3ba88a777
SHA1 hash: 8c680aa99de5c3ae588a507a93f7f4d398d1921b
MD5 hash: 69cc5f55ac49b433a484a6d612d6b436
humanhash: cold-colorado-utah-illinois
File name:Cotizar.gz
Download: download sample
Signature Formbook
Create hunting rule
File size:385'179 bytes
First seen:2023-01-19 13:59:20 UTC
Last seen:Never
File type: gz
MIME type:application/x-rar
ssdeep 6144:cSJGwq0H8wsm3FdyLqj20k15URKbubtFbcxiKm8IKVKxDCHFKfwCNQc7zRTBw/uW:HJLFcwsm3UC015UcQbcNzI1DCHu5tZBi
TLSH T18C8423D1B1B4628D4350641817EE404E6DF80872EE581F89FA1ED4BEB4DBF5A11EF3A2
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook gz


Avatar
cocaman
Malicious email (T1566.001)
From: "Felipe Torras <info@ept-batterys.com>" (likely spoofed)
Received: "from srv.ept-batterys.com (srv.ept-batterys.com [23.95.50.115]) "
Date: "Thu, 19 Jan 2023 14:38:40 +0100"
Subject: "RE: COTIZACION"
Attachment: "Cotizar.gz"

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
n/a
File Archive Information

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

File name:Cotizar.exe
File size:472'891 bytes
SHA256 hash: 59093a397a33c5e55dea803f4f514c104e55e703b1d9ac102969217d9be6ae5c
MD5 hash: 18eba57662f1eed021dbbc75f6af3893
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c94ce3e4e81283f94e7cd9/reports/4bffed57-ee45-4336-9296-7ccbba077817/overview
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/8af4a5695d4c31bb612b98cc148da904a42d332eae1a73ba43530cbcda9778f7/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2023-01-19 14:00:06 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
6 of 39 (15.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rl2kk2k5jqy3wyjltdgbjdnjassc2mzovynhhosdkmglzwuxpd3q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230119-r3kedsgc57/
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
Loads dropped DLL
Executes dropped EXE
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/8af4a5695d4c31bb612b98cc148da904a42d332eae1a73ba43530cbcda9778f7

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

File information

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

Malspam

Formbook

gz 8af4a5695d4c31bb612b98cc148da904a42d332eae1a73ba43530cbcda9778f7

(this sample)

Formbook

Executable exe 59093a397a33c5e55dea803f4f514c104e55e703b1d9ac102969217d9be6ae5c

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 59093a397a33c5e55dea803f4f514c104e55e703b1d9ac102969217d9be6ae5c
  
Dropping
MD5 18eba57662f1eed021dbbc75f6af3893

Comments