MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef4cde54d610d33229248e98f2995b24415ad98727d69ddff1458bc321c314c1. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef4cde54d610d33229248e98f2995b24415ad98727d69ddff1458bc321c314c1
SHA3-384 hash: 9f69f83869f045e3d9330351371d74a41085a432333f742604027fdcc5dd70327e5c215f252669610bf1febf0fe66c5f
SHA1 hash: c6441a0f0672e5b8dee1cb25ffafd5f8d1596cd4
MD5 hash: fd7015f8b176cb1ae6fc3e9c833b3a87
humanhash: autumn-avocado-winner-snake
File name:EUR 17,970.25.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:235'470 bytes
First seen:2023-08-03 06:47:18 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 6144:2WhYQiTelePtWWbf4Y3tqpFNx0JZ3WJLUoW9:2qQeUPtN4ZNx8gk
TLSH T16A3412E2BEB30491F80CBA804C0251A273BDB756C968D94A437DDC6FE9870C575ED1AB
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook payment rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Priyanka Rasam <info@axisbank.com>" (likely spoofed)
Received: "from [37.139.129.109] (unknown [37.139.129.109]) "
Date: "3 Aug 2023 02:01:36 +0200"
Subject: "Bank Payment EUR 17,970.25"
Attachment: "EUR 17,970.25.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
90
Origin country :
CH CH
File Archive Information

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

File name:EUR 17,970.25.exe
File size:251'400 bytes
SHA256 hash: 369de2afba1e4a4807ac66f57dfb436ec13cd46a5c09f6a4d7faedc788d04be7
MD5 hash: a1980b90da55148b699576f9cb0ea81f
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20230803-0637.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/ef4cde54d610d33229248e98f2995b24415ad98727d69ddff1458bc321c314c1/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64cb4da3e0cfd564ff4754c1/reports/3c327213-c504-4bc8-bd7c-dff525332c09/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/ef4cde54d610d33229248e98f2995b24415ad98727d69ddff1458bc321c314c1
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/ef4cde54d610d33229248e98f2995b24415ad98727d69ddff1458bc321c314c1/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-02 22:48:46 UTC
File Type:
Binary (Archive)
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55gn4vgwcdjtekjer2mpfgk3eravvwmhe7lj3x7riwf4giodctaq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sn26 rat spyware stealer trojan
Link:
https://tria.ge/reports/230803-hnmrjada6t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
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/ef4cde54d610d33229248e98f2995b24415ad98727d69ddff1458bc321c314c1

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

rar ef4cde54d610d33229248e98f2995b24415ad98727d69ddff1458bc321c314c1

(this sample)

Formbook

Executable exe 369de2afba1e4a4807ac66f57dfb436ec13cd46a5c09f6a4d7faedc788d04be7

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 369de2afba1e4a4807ac66f57dfb436ec13cd46a5c09f6a4d7faedc788d04be7
  
Dropping
Formbook
  
Dropping
MD5 a1980b90da55148b699576f9cb0ea81f

Comments