MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 151cdbd8e7ea19668c94f466447c808fcaec3da966f10b0190747b2fe5f97b0f. 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: 151cdbd8e7ea19668c94f466447c808fcaec3da966f10b0190747b2fe5f97b0f
SHA3-384 hash: b8b906c0760c9f49aa51decd0c77e710ae8c34d309d50ac4ba849433f577a0b193fcd132670443f245293fbd0fa8f33d
SHA1 hash: c6cbbc25c126162bd43c518bff41d8f91c03e2cd
MD5 hash: b6269d141110bd10503251eb4b3e968b
humanhash: leopard-rugby-dakota-table
File name:RFQ 6000066536.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:366'691 bytes
First seen:2023-07-04 08:11:36 UTC
Last seen:2023-07-04 08:12:13 UTC
File type: rar
MIME type:application/x-rar
ssdeep 6144:MYjOI5gZLqiZBfdXk3TdABIzilud9oZy55Ue+LvJIh0iupKhq8zTfpKpIHO9a:MDI5gRZ9dXSqBHwd9i4CFxIhkKoKKpI3
TLSH T1F17423CBEAF2FC14936D12FDB582ADB023877C9CE7149EA815A280CDC0F450E56D6596
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 rar RFQ


Avatar
cocaman
Malicious email (T1566.001)
From: "Marcelo Bravo <bernie@rentxtrans.com>" (likely spoofed)
Received: "from rentxtrans.com (unknown [45.137.22.78]) "
Date: "4 Jul 2023 08:11:12 +0200"
Subject: "OUR REF: RFQ 6000066536 - PR 10023150 "
Attachment: "RFQ 6000066536.rar"

Intelligence

File Origin
# of uploads :
3
# of downloads :
114
Origin country :
CH CH
File Archive Information

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

File name:RFQ 6000066536.exe
File size:382'306 bytes
SHA256 hash: 4f46b17d1db8bdb30b33dfa8ed5335149bb4f920780e349b6b02155e337c8b57
MD5 hash: e27c0c55beced8afe48593bfd8bf330a
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20230704-1135.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/151cdbd8e7ea19668c94f466447c808fcaec3da966f10b0190747b2fe5f97b0f/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64a3d4522299d26882649c6e/reports/60a25d79-2266-40dd-8825-37c6438584e3/overview
Verdict:
Malicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/151cdbd8e7ea19668c94f466447c808fcaec3da966f10b0190747b2fe5f97b0f
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/151cdbd8e7ea19668c94f466447c808fcaec3da966f10b0190747b2fe5f97b0f/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-04 06:14:27 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cuonxwhh5imwndeu6rtei7ear7foypnjm3yqwamqor5s7zpzpmhq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230704-l984fadd7y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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
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 151cdbd8e7ea19668c94f466447c808fcaec3da966f10b0190747b2fe5f97b0f

(this sample)

Formbook

Executable exe 4f46b17d1db8bdb30b33dfa8ed5335149bb4f920780e349b6b02155e337c8b57

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 4f46b17d1db8bdb30b33dfa8ed5335149bb4f920780e349b6b02155e337c8b57
  
Dropping
Formbook
  
Dropping
MD5 e27c0c55beced8afe48593bfd8bf330a

Comments