MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64f3681064f7f5e1c2b5c8c0d927db27dcadada21d1f2f91b12c6fcf3dcb5a68. 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: 64f3681064f7f5e1c2b5c8c0d927db27dcadada21d1f2f91b12c6fcf3dcb5a68
SHA3-384 hash: 21f73ac35bf51be3c187af5dd21f435a079b171a7df376e8670180ed9400a4cb0d50cdfb2e590d385495f7e8e00f4dcd
SHA1 hash: 96171852a5f058519de4c5f26057da4a09a36ce8
MD5 hash: ac5642c4995b0c17385eaee838989b24
humanhash: item-louisiana-seven-wolfram
File name:Annual Leave_Salary Approval Memo_PDF.cab
Download: download sample
Signature Formbook
Create hunting rule
File size:344'869 bytes
First seen:2023-08-30 21:09:02 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 6144:hFo95CtqQpLskQHty/u+zjDnCVdBL53DrYTs88E/CHkQub5rNhuK2xIBeoYfBk5g:hXBtiku+zCfjDwsCqkQubVNh39kdr
TLSH T1C8742353C29C54121ECE96EF86A1E452783DFD9850CBFDA170B2B05B120FBD786A284F
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:cab FormBook rar


Avatar
cocaman
Malicious email (T1566.001)
From: ""HR Department" <info@sabos-china.com>" (likely spoofed)
Received: "from mail.sabos-china.com (unknown [45.129.0.101]) "
Date: "30 Aug 2023 09:38:05 +0100"
Subject: "|| Re: Employees Salary And Annual Leave Approval/Application Form ||"
Attachment: "Annual Leave_Salary Approval Memo_PDF.cab"

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
CH CH
File Archive Information

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

File name:Annual Leave_Salary Approval Memo_PDF.exe
File size:360'542 bytes
SHA256 hash: 032d41e43c7f83d6d88dc9e1c63e7fb7f2af670433336e5c892effffd49dd328
MD5 hash: 32de93d0b0899f9dd2553e317594377c
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/64f3681064f7f5e1c2b5c8c0d927db27dcadada21d1f2f91b12c6fcf3dcb5a68/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64efb02cbbdbeaefbce26d4a/reports/11a4870e-cdc7-4d5b-a303-57b69c354f99/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/64f3681064f7f5e1c2b5c8c0d927db27dcadada21d1f2f91b12c6fcf3dcb5a68
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/64f3681064f7f5e1c2b5c8c0d927db27dcadada21d1f2f91b12c6fcf3dcb5a68/
Threat name:
Win32.Trojan.ZmutzyPong
Create hunting rule
Status:
Malicious
First seen:
2023-08-30 08:49:56 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mtzwqede6726dqvvzdansj63e7ok3lncdups7enrfrx46polljua._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/64f3681064f7f5e1c2b5c8c0d927db27dcadada21d1f2f91b12c6fcf3dcb5a68

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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_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 64f3681064f7f5e1c2b5c8c0d927db27dcadada21d1f2f91b12c6fcf3dcb5a68

(this sample)

Formbook

Executable exe 032d41e43c7f83d6d88dc9e1c63e7fb7f2af670433336e5c892effffd49dd328

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 032d41e43c7f83d6d88dc9e1c63e7fb7f2af670433336e5c892effffd49dd328
  
Dropping
Formbook
  
Dropping
MD5 32de93d0b0899f9dd2553e317594377c

Comments