MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 871933500beb3006d4574669e88cf8cadc6eeea0eda1d1a9f636d87a26c79268. 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 9 File information Comments

SHA256 hash:	871933500beb3006d4574669e88cf8cadc6eeea0eda1d1a9f636d87a26c79268
SHA3-384 hash:	a90e818b5b6099feb94a4b99382fac67e6aa1856dda7029785905cfd9957a4c87d08224083522ac7a6a77427c5dfd5f6
SHA1 hash:	0c20c05638aee644a8fb573e17c090e51985d848
MD5 hash:	4f4683ca89528cb2bc3c454a78885f1d
humanhash:	comet-wyoming-six-lima
File name:	11_SSTML-13682 - ZNZFAB.pdf.uu
Download:	download sample
Signature	Formbook Create hunting rule
File size:	732'180 bytes
First seen:	2024-12-02 11:34:59 UTC
Last seen:	2024-12-02 11:37:53 UTC
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:fy9DovbS6cF+BCH6wfPIHcxpY6Pa+XC3iBayBsdbLz9+VxTycJdnbq4yfs269dHl:fYozQF36wX4cgqXbayBsdbLp+VxPbq4/
TLSH	T1B0F4337C6D6B3A960052B3D7185895BD3211F61B6493FDBF94E00EA9394E22808DE78A
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 QUOTATION rar uu

cocaman

Malicious email (T1566.001)
From: ""arifimp1@znzfab.com" <mgavilanes@moore.ec>" (likely spoofed)
Received: "from mail.moore.ec (mail.moore.ec [181.199.88.157]) "
Date: "Sun, 1 Dec 2024 23:38:47 -0500 (ECT)"
Subject: "Request for quotation (Ref. Req. No. SSTML-13682)"
Attachment: "11_SSTML-13682 - ZNZFAB.pdf.uu"

Intelligence

File Origin

# of uploads :

# of downloads :

114

Origin country :

File Archive Information

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

File name:	11_SSTML-13682 - ZNZFAB.pdf.exe
File size:	837'632 bytes
SHA256 hash:	c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8
MD5 hash:	3f8db8fa429dbf90a0bfc66cdabd65fe
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.28929.RarHeur.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=674d5b1fe64d1c722d7b3a44

Tags:

underscore virus gates micro

Gathering data

Verdict:

Suspicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/871933500beb3006d4574669e88cf8cadc6eeea0eda1d1a9f636d87a26c79268

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/871933500beb3006d4574669e88cf8cadc6eeea0eda1d1a9f636d87a26c79268/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-12-02 11:35:03 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

14 of 24 (58.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=q4mtgual5myanvcxizu6rdhyzlog53va5wq5dkpwg3mhujwhsjua._file

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/241202-pawkvaymal/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

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/871933500beb3006d4574669e88cf8cadc6eeea0eda1d1a9f636d87a26c79268

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:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_RAR_with_PDF_Script_Obfuscation Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:	Internal Research

Rule name:	SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4 Create hunting rule
Author:	Florian Roth
Description:	Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:	Internal Research

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)