MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ef45be563fd52050d7495a7fdefa539c4edbaa316b69214bf3fe5c7c037a9e2. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ef45be563fd52050d7495a7fdefa539c4edbaa316b69214bf3fe5c7c037a9e2
SHA3-384 hash: 1bdfa288e10e0fc9697a93dcc5f8f8be947d0fbeed91bd8c48e3e69f24555485502046d10f8bef303129e96d3e5ee25c
SHA1 hash: bab16f10311a97da34a4164fe4782d8a91966a74
MD5 hash: d2107782236634535608b5d0fd36df19
humanhash: nitrogen-sierra-black-california
File name:Receipt089838.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:635'838 bytes
First seen:2023-06-06 11:56:54 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:Bg8PJjNA7B+DqyJGpjd7mqPZr2rKMR6aUciOjM5R+uGN97gGxKeqJ2aDc/ff6kp:BXPpFOyJGpjdnPZr2mMRbUOVNRZx9qRG
TLSH T14BD423B858D7651A23B57F6018842B33DA8E2F8930B9D1B39F73019E89CD194EC15FE5
TrID 58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1)
41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook payment rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Booking.com <noreply@booking.com>" (likely spoofed)
Received: "from booking.com (unknown [185.36.81.72]) "
Date: "28 May 2023 19:53:03 +0200"
Subject: "Confirm payment"
Attachment: "Receipt089838.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
CH CH
File Archive Information

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

File name:Receipt089838.exe
File size:968'192 bytes
SHA256 hash: 43b5cfd70c439d116d7ec6381d664d5c8e7f89f84eb4186675db11bf830ebabb
MD5 hash: ea38c3193e6ba454b56e38904a5d3536
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/1ef45be563fd52050d7495a7fdefa539c4edbaa316b69214bf3fe5c7c037a9e2/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet formbook packed
Link:
https://www.filescan.io/uploads/647f1f0fe407f2e1dc0fcd99/reports/f2449793-9fb9-4960-abd1-7fcf274f0a0e/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/1ef45be563fd52050d7495a7fdefa539c4edbaa316b69214bf3fe5c7c037a9e2
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/1ef45be563fd52050d7495a7fdefa539c4edbaa316b69214bf3fe5c7c037a9e2/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-28 16:34:35 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d32fxzld7vjakdluswt7335fhhco3ovdc23jeff7h7s4pqbxvhra._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:he2a rat spyware stealer trojan
Link:
https://tria.ge/reports/230606-p9r2psec3w/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/1ef45be563fd52050d7495a7fdefa539c4edbaa316b69214bf3fe5c7c037a9e2

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:Dotnet_Hidden_Executables_Detect
Create hunting rule
Author:Mehmet Ali Kerimoglu (@CYB3RMX)
Description:This rule detects hidden PE file presence.
Reference:https://github.com/CYB3RMX/Qu1cksc0pe
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

rar 1ef45be563fd52050d7495a7fdefa539c4edbaa316b69214bf3fe5c7c037a9e2

(this sample)

Formbook

Executable exe 43b5cfd70c439d116d7ec6381d664d5c8e7f89f84eb4186675db11bf830ebabb

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 43b5cfd70c439d116d7ec6381d664d5c8e7f89f84eb4186675db11bf830ebabb
  
Dropping
MD5 ea38c3193e6ba454b56e38904a5d3536

Comments