MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5203f675df07dacb329d3d380aeb2e19f9c4f4dfcbaffe7f00a95411502d5a1c. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5203f675df07dacb329d3d380aeb2e19f9c4f4dfcbaffe7f00a95411502d5a1c
SHA3-384 hash: b1d0a759bde40c8a36f48ee599c4d22bb8af746159181d1bde2aa453240507213b3d45f06941fea345cfc032cf1d95ba
SHA1 hash: 01c5fb2fc908508f4c51c8a6da8d6a6f96e807bc
MD5 hash: e85fb019f83cd04dfbf932bff85dc246
humanhash: bulldog-london-whiskey-sweet
File name:Payment USD 34,843.00.r00
Download: download sample
Signature Formbook
Create hunting rule
File size:295'525 bytes
First seen:2023-10-05 08:31:55 UTC
Last seen:Never
File type: r00
MIME type:application/x-rar
ssdeep 6144:G9C7HtToil+10FGhixMpit1Ho6k0wzHq9/CYArX/F2AF:G9ge10Ahixwivo6twzHq9/CYATdTF
TLSH T17754239C16D830A137C990C99FBB1037A9026485D39B4AC3DD3F8F99EEA9E72607540F
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


Avatar
cocaman
Malicious email (T1566.001)
From: "=?UTF-8?B?TMO2ZmZsZXIgR21iSA==?= <end@unisea.gr>" (likely spoofed)
Received: "from [81.161.229.115] (unknown [81.161.229.115]) "
Date: "5 Oct 2023 05:45:10 +0200"
Subject: "Payment USD 34,843.00"
Attachment: "Payment USD 34,843.00.r00"

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
CH CH
File Archive Information

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

File name:Payment USD 34,843.00.exe
File size:310'982 bytes
SHA256 hash: 393f41d6aaa447a3fc89f83b3ffb08574464197bf45704ba8226cd070b63c6ed
MD5 hash: bc18302569c7391add21bcf078c569e5
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20231005-0837.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/651e7487a31588d184f1cf68/reports/02f4c8df-0c6a-49ca-b5b5-28300ce14c3e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5203f675df07dacb329d3d380aeb2e19f9c4f4dfcbaffe7f00a95411502d5a1c
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/5203f675df07dacb329d3d380aeb2e19f9c4f4dfcbaffe7f00a95411502d5a1c/
Threat name:
Win32.Trojan.Znyonm
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Status:
Malicious
First seen:
2023-10-04 23:53:50 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
16 of 34 (47.06%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kib7m5o7a7nmwmu5hu4av2zodh44j5g7zox747yavfkbcubnlioa._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/5203f675df07dacb329d3d380aeb2e19f9c4f4dfcbaffe7f00a95411502d5a1c

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:RIPEMD160_Constants
Create hunting rule
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 5203f675df07dacb329d3d380aeb2e19f9c4f4dfcbaffe7f00a95411502d5a1c

(this sample)

Formbook

Executable exe 393f41d6aaa447a3fc89f83b3ffb08574464197bf45704ba8226cd070b63c6ed

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 393f41d6aaa447a3fc89f83b3ffb08574464197bf45704ba8226cd070b63c6ed
  
Dropping
Formbook
  
Dropping
MD5 bc18302569c7391add21bcf078c569e5

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