MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb290c220f3e548dcbb6da1833165d4fc1a5cac6ab2f3636d1f25baaf4dd2079. 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: 7


Intelligence 7 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb290c220f3e548dcbb6da1833165d4fc1a5cac6ab2f3636d1f25baaf4dd2079
SHA3-384 hash: ff9b8796fcd077d6f9887dcd4e20f11f978a10418d4db737c3269b1df5d1a845e98a030715902c80ce7b22c36f5dcb0e
SHA1 hash: f7fe7e24e31bb0047e20d9c3725a636587535d11
MD5 hash: 1ff755d7e027f42ed86782a72276b0b7
humanhash: ceiling-mexico-vermont-ohio
File name:RFQ # 1045981 - MAA_D Plant Project r01.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:773'965 bytes
First seen:2023-06-13 08:03:19 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:Ahoy/z6XJ4NVvYVIJnxRIaNRooLobKRYwCM+542RgxAnaB8Ju/c1gySsW:Ahoy/z6XGvYIZ6m3CN42RgxjB8c/S8sW
TLSH T10FF423509FBFDCDA848CFA0E16E230EF093689259524F671206B0C0DC9D59CE65AD9FE
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: "maria@mybiosource.com" (likely spoofed)
Received: "from mybiosource.com (unknown [185.222.57.71]) "
Date: "13 Jun 2023 03:47:00 +0200"
Subject: "RFQ # 1045981 - MAA_D Plant Project r01"
Attachment: "RFQ # 1045981 - MAA_D Plant Project r01.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
CH CH
File Archive Information

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

File name:RFQ # 1045981 - MAA_D Plant Project r01.exe
File size:896'000 bytes
SHA256 hash: 13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818
MD5 hash: ac256a867183ec9f1a370bc41b58015d
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/cb290c220f3e548dcbb6da1833165d4fc1a5cac6ab2f3636d1f25baaf4dd2079/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/648822f328381b85ed1a2385/reports/13aa0545-69e9-4886-bbe1-91c4084a4d54/overview
Verdict:
Malicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/cb290c220f3e548dcbb6da1833165d4fc1a5cac6ab2f3636d1f25baaf4dd2079
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/cb290c220f3e548dcbb6da1833165d4fc1a5cac6ab2f3636d1f25baaf4dd2079/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-13 02:24:49 UTC
File Type:
Binary (Archive)
Extracted files:
16
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zmuqyiqphzki3s5w3imdgfs5j7a2lswgvmxtmnwr6jn2v5g5eb4q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230613-l3cfwsgb8v/
Behaviour
Creates scheduled task(s)
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
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/cb290c220f3e548dcbb6da1833165d4fc1a5cac6ab2f3636d1f25baaf4dd2079

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:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 cb290c220f3e548dcbb6da1833165d4fc1a5cac6ab2f3636d1f25baaf4dd2079

(this sample)

Formbook

Executable exe 13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818
  
Dropping
Formbook
  
Dropping
MD5 ac256a867183ec9f1a370bc41b58015d

Comments