MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 308d2312635d080380f1239ea08a9c7fd06ec2329e06dcb45fe429a512829e27. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 308d2312635d080380f1239ea08a9c7fd06ec2329e06dcb45fe429a512829e27
SHA3-384 hash: c21d8948ad7c0ad0cc679e2ee221daeaf93c280e0a7b2dde1bb917027428bc7bde8f998f966aaf6cf347dc1882b4c2f7
SHA1 hash: a13ab11736ca90855e4d62d5c3e87df3ac23afba
MD5 hash: 4581bed8884de7985fe6ad409044dbc2
humanhash: river-angel-sad-california
File name:Invoice-2024111.r15
Download: download sample
Signature Formbook
Create hunting rule
File size:508'384 bytes
First seen:2024-12-11 10:33:09 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:SUPVfPEAk0bBilcw/H9ZomE5/F0/1fqcdQczE:FXk0FilX1ameNYU/YE
TLSH T182B42300411EC250C9AF7BF6E78E97F973C908189EEFDE62766771D42482597D1E2238
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:FormBook INVOICE r15 rar


Avatar
cocaman
Malicious email (T1566.001)
From: "sue@inchon.cn" (likely spoofed)
Received: "from [154.203.197.208] (unknown [154.203.197.208]) "
Date: "10 Dec 2024 17:23:28 -0800"
Subject: "RE: Invoice-2024111"
Attachment: "Invoice-2024111.r15"

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
CH CH
File Archive Information

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

File name:invddd.exe
File size:866'132 bytes
SHA256 hash: 5f0f26b3d51812df461e2c368c9a373099f54b62640564e7b06881a5d25a823b
MD5 hash: 52fc6852320639e89579861ebe66696f
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675955f6b17d24d5e3c4573f
Tags:
autoit emotet
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/308d2312635d080380f1239ea08a9c7fd06ec2329e06dcb45fe429a512829e27
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/308d2312635d080380f1239ea08a9c7fd06ec2329e06dcb45fe429a512829e27/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-12-11 00:02:47 UTC
File Type:
Binary (Archive)
Extracted files:
30
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gcgsgetdlueahahreopkbcu4p7ig5qrstydnznc74qu2keuctytq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cl21 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/241211-mrnv8atmdk/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AutoIt
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 308d2312635d080380f1239ea08a9c7fd06ec2329e06dcb45fe429a512829e27

(this sample)

Formbook

Executable exe 5f0f26b3d51812df461e2c368c9a373099f54b62640564e7b06881a5d25a823b

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 5f0f26b3d51812df461e2c368c9a373099f54b62640564e7b06881a5d25a823b
  
Dropping
Formbook

Comments