MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1b92f5167c414d633a0fe871d65a2aa1d05bd1dfb5b34884156bb4eaf7a3a14. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1b92f5167c414d633a0fe871d65a2aa1d05bd1dfb5b34884156bb4eaf7a3a14
SHA3-384 hash: 4e206b6d2839fbf6a7ae113043bef5e3d522ce09a03bea2690108d9ad05eabcd8142abc1d43fa60bc41d9caa33f2dd17
SHA1 hash: 23fb7dbac2fbabc6846f8eba61e72f5e37c8a4c1
MD5 hash: 2079a2ebef59332eafadcdbe6e198468
humanhash: blossom-nevada-one-bluebird
File name:our OFFICIAL P.O. # 11009810 - Revised.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:261'468 bytes
First seen:2023-07-21 06:27:44 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 6144:oNtfmTkSV+zubftWuPHT08F4ZJK1L395bWDGSTPY:oNY4wAuY06K9V3S8
TLSH T11244239D366EF98F25C5F9A1AB7BBB20729B16113664FBBD0A974F80498BC4335443C0
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook rar


Avatar
cocaman
Malicious email (T1566.001)
From: ""Anantharaman Krishnan" <democolson@aol.com>" (likely spoofed)
Received: "from aol.com (unknown [45.137.22.135]) "
Date: "21 Jul 2023 06:12:58 +0200"
Subject: "RE: BMTC PO Number - 11009810 : Revised"
Attachment: "our OFFICIAL P.O. # 11009810 - Revised.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
CH CH
File Archive Information

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

File name:our OFFICIAL P.O. # 11009810 - Revised.exe
File size:277'344 bytes
SHA256 hash: 73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038
MD5 hash: 979c23e5f2ce1a910e6e26a44dd846c1
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/b1b92f5167c414d633a0fe871d65a2aa1d05bd1dfb5b34884156bb4eaf7a3a14/results/dashboard
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b1b92f5167c414d633a0fe871d65a2aa1d05bd1dfb5b34884156bb4eaf7a3a14
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/b1b92f5167c414d633a0fe871d65a2aa1d05bd1dfb5b34884156bb4eaf7a3a14/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-21 06:27:46 UTC
File Type:
Binary (Archive)
Extracted files:
3
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wg4s6ulhyqknmm5a72dr2zncvioqlpi57nntjccbk25u5l32hika._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230721-he9jyada8y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
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/b1b92f5167c414d633a0fe871d65a2aa1d05bd1dfb5b34884156bb4eaf7a3a14

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 b1b92f5167c414d633a0fe871d65a2aa1d05bd1dfb5b34884156bb4eaf7a3a14

(this sample)

Formbook

Executable exe 73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038
  
Dropping
Formbook

Comments