MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a6ec85f2557225d0d83b8d01f11a632bdb45e87f2d24ca80a481e1dccf622d4. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a6ec85f2557225d0d83b8d01f11a632bdb45e87f2d24ca80a481e1dccf622d4
SHA3-384 hash: 5b8fa4b5a5ea5bef29af2f4dad626beff39d52d1ac960969eaefbf9b55e88783b3357bc9b2d33249fe3fee12b784623a
SHA1 hash: 3812b167c78dca31089090e5ef078fcaebaec9a6
MD5 hash: 72dbae8afa17163eaaf9f0cb38310f4f
humanhash: solar-london-berlin-mississippi
File name:Details.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:733'413 bytes
First seen:2022-09-26 06:44:36 UTC
Last seen:2022-09-26 07:07:49 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:365LOz7iVNPTIWuLM4Ubc7YfQS8atcgXXzzjrFp2AAtq+MR18meldD1:K5CsI2w7Y4S8atpTzjrF4AWOqmkL
TLSH T17CF42326E8934AD7E2B7106B0A467F26BA8C1D44369B54CC77F071088D3B72E8D5E63D
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


Avatar
cocaman
Malicious email (T1566.001)
From: "Heinz Luscher <cs@monchy.cc>" (likely spoofed)
Received: "from monchy.cc (unknown [141.98.10.25]) "
Date: "15 Sep 2022 02:09:14 +0200"
Subject: "Prenotazione Buchung"
Attachment: "Details.rar"

Intelligence

File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:Details.exe
File size:1'121'280 bytes
SHA256 hash: 22ddbee8b6beef1e5e438920b314ee4189ae3c2e71c05af0c21551dbef095bf0
MD5 hash: 263b0e103167af2d0b7b3a81cf6fefbd
MIME type:application/x-dosexec
Signature Formbook
File name:32512
File size:20 bytes
SHA256 hash: 7b569fecb81a6c954d2408250f64dd323a6475ce166878fb8dcdec69b3c52aa3
MD5 hash: 7fa82cc652b7ce34a245188a0022e4b9
MIME type:application/octet-stream
Signature Formbook
Vendor Threat Intelligence
Gathering data
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/3a6ec85f2557225d0d83b8d01f11a632bdb45e87f2d24ca80a481e1dccf622d4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-14 23:43:11 UTC
File Type:
Binary (Archive)
Extracted files:
23
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjxmqxzfk4rf2dmdxdib6enggk63ixuh6ljezkakjapb3thwelka._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:rsea rat spyware stealer trojan
Link:
https://tria.ge/reports/220926-hh2y9sbaaq/
Behaviour
Enumerates system info in registry
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:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/3a6ec85f2557225d0d83b8d01f11a632bdb45e87f2d24ca80a481e1dccf622d4

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:pe_imphash
Create hunting rule
Rule name:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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 3a6ec85f2557225d0d83b8d01f11a632bdb45e87f2d24ca80a481e1dccf622d4

(this sample)

Formbook

Executable exe 22ddbee8b6beef1e5e438920b314ee4189ae3c2e71c05af0c21551dbef095bf0

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 22ddbee8b6beef1e5e438920b314ee4189ae3c2e71c05af0c21551dbef095bf0
  
Dropping
MD5 263b0e103167af2d0b7b3a81cf6fefbd

Comments