MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dbdfbf6f2919142fa7deede504de942c253e304c8d83a4764d2d3a2cdd03e25. 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: 8


Intelligence 8 IOCs YARA 18 File information Comments

SHA256 hash: 8dbdfbf6f2919142fa7deede504de942c253e304c8d83a4764d2d3a2cdd03e25
SHA3-384 hash: 2980e9f424d26303c30ae1313e500e5f54cefef4b6d29f8b2dc74c1b70b9866a1d1231a9c7a4211df440872e7e326a3e
SHA1 hash: 874176d5316838e351a9da665b3eee1246155433
MD5 hash: a2a276f2a6c57e4adf7d238f4dbb5085
humanhash: mississippi-alabama-bulldog-september
File name:DAP Proforma Invoice,.zip
Download: download sample
Signature Formbook
File size:655'519 bytes
First seen:2024-02-13 10:12:46 UTC
Last seen:2024-02-13 14:37:59 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:yxTBZ7uvzjcxr8TQlRlM/Xt6eZzsp95+jClzhvfDFzpKsqMz61ZM:4NegxW2MftVzrUDFzzc1ZM
TLSH T106D423C9157983BAC384AB137138C50E7A4B4DA31E4B70184E948BE9197C67BFF316B9
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook INVOICE QUOTATION zip


Avatar
cocaman
Malicious email (T1566.001)
From: "=?UTF-8?B?VcSfdXIgQ2Fua3Vy?= <ugur.cankur@reaksiyon.com.tr>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [45.137.22.111]) "
Date: "13 Feb 2024 15:36:58 +0100"
Subject: "RE: QUOTATION REPOX RC 8132"
Attachment: "DAP Proforma Invoice,.zip"

Intelligence


File Origin
# of uploads :
2
# of downloads :
165
Origin country :
CH CH
File Archive Information

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

File name:DAP Proforma Invoice,.exe
File size:680'960 bytes
SHA256 hash: 2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058
MD5 hash: 1df4b493b2e8ce35fe47f7b84f93f54a
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin masquerade packed shell32
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.
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-13 10:12:49 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Rule name:win_agent_tesla_g2
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information


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

Malspam

Formbook

zip 8dbdfbf6f2919142fa7deede504de942c253e304c8d83a4764d2d3a2cdd03e25

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments