MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b30118fbfd33cd82e5860b43b583a91557e91cec7a0fdf69a315d933779c8c6f. 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: b30118fbfd33cd82e5860b43b583a91557e91cec7a0fdf69a315d933779c8c6f
SHA3-384 hash: 4739f4a83083fa4f4d187ad248d3e76eb5f3d8d89a0df471e8cc831932994213c8d54ffa68f5752c31343d5b8691de3a
SHA1 hash: 19c33713ff82e1e75fc354fde0c5a24cf06edcba
MD5 hash: 1922e249efa0059ffece86181ae18678
humanhash: spaghetti-october-mississippi-glucose
File name:Salary Payment.r00
Download: download sample
Signature Formbook
Create hunting rule
File size:295'511 bytes
First seen:2023-10-05 08:31:27 UTC
Last seen:Never
File type: r00
MIME type:application/x-rar
ssdeep 6144:D9C7HtToil+10FGhixMpit1Ho6k0wzHq9/CYArX/F2A8:D9ge10Ahixwivo6twzHq9/CYATdT8
TLSH T10F54239D16D830A137C990C99FBB1037A9026485D39B4AC3DD3F8F99EEA9E72607540F
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: "Accounts <accounts@asglml.com>" (likely spoofed)
Received: "from [81.161.229.115] (unknown [81.161.229.115]) "
Date: "5 Oct 2023 05:13:39 +0200"
Subject: "urs.lustenberger salary balance payment"
Attachment: "Salary Payment.r00"

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
CH CH
File Archive Information

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

File name:Salary Payment.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
Create hunting rule

Verdict:
Malicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/651e7485a31588d184f1cf5d/reports/65c65569-ffe0-408d-8056-f5df2b9ddc21/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b30118fbfd33cd82e5860b43b583a91557e91cec7a0fdf69a315d933779c8c6f
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/b30118fbfd33cd82e5860b43b583a91557e91cec7a0fdf69a315d933779c8c6f/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-10-04 23:50:20 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
17 of 35 (48.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmarr675gpgyfzmgbnb3la5jcvl6shhmpih562ndcxmtg544rrxq._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/b30118fbfd33cd82e5860b43b583a91557e91cec7a0fdf69a315d933779c8c6f

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
Create hunting rule
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 b30118fbfd33cd82e5860b43b583a91557e91cec7a0fdf69a315d933779c8c6f

(this sample)

Formbook

Executable exe 393f41d6aaa447a3fc89f83b3ffb08574464197bf45704ba8226cd070b63c6ed

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

Comments