MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33a8e348dc58bfed06f035721fb4fe71b0287b2a8bce030164d7bf784a586c68. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33a8e348dc58bfed06f035721fb4fe71b0287b2a8bce030164d7bf784a586c68
SHA3-384 hash: 95ba34dc58b52505b369cc0b9e41607e5ceced19c845bf0976bef0ada1b4c5defdf0b3a3a852f6ab16f46cc67038d933
SHA1 hash: dda047b297f1cea79cb43487098650726db6e31e
MD5 hash: 180b8fa6449e9f36cc08f8096e9d61ab
humanhash: undress-muppet-missouri-illinois
File name:Swift TT Copy.r00
Download: download sample
Signature Formbook
Create hunting rule
File size:295'934 bytes
First seen:2023-10-06 06:15:54 UTC
Last seen:Never
File type: r00
MIME type:application/x-rar
ssdeep 6144:ZZLanOjxtbHaWGPP2znriOB/Bve5upuudJfFUbGdN8Q1qcyOztR:ZMnOjbLTJjSupFJtkAR1qcygn
TLSH T1A45423B3F260A150ECC7DF72CD48B20647B0760A466F72376765BCD81BA7EA161F904A
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook payment r00 SWIFT


Avatar
cocaman
Malicious email (T1566.001)
From: "Susan Michelle <sales@leeg.cn>" (likely spoofed)
Received: "from [81.161.229.115] (unknown [81.161.229.115]) "
Date: "6 Oct 2023 04:47:53 +0200"
Subject: "RE: Swift Payment Copy"
Attachment: "Swift TT Copy.r00"

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
CH CH
File Archive Information

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

File name:Swift TT Copy.exe
File size:311'082 bytes
SHA256 hash: b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65
MD5 hash: 32a789f533962a3b74537fe4648944ef
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20231006-0637.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/33a8e348dc58bfed06f035721fb4fe71b0287b2a8bce030164d7bf784a586c68
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/33a8e348dc58bfed06f035721fb4fe71b0287b2a8bce030164d7bf784a586c68/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2023-10-05 23:47:49 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gouogsg4lc762bxqgvzb7nh6ogycq6zkrphagale267xqssynrua._file
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/33a8e348dc58bfed06f035721fb4fe71b0287b2a8bce030164d7bf784a586c68

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Author:qux
Description:Detects exe does not have import table
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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

r00 33a8e348dc58bfed06f035721fb4fe71b0287b2a8bce030164d7bf784a586c68

(this sample)

Formbook

Executable exe b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65
  
Dropping
Formbook
  
Dropping
MD5 32a789f533962a3b74537fe4648944ef

Comments