MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a6df8bc2547ccd52803a48656114e0177332d62f36c559f32d9035ad0b04030. 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 23 File information Comments

SHA256 hash: 5a6df8bc2547ccd52803a48656114e0177332d62f36c559f32d9035ad0b04030
SHA3-384 hash: 62425ddea714cf03b9909db761a8eab94f6f2b833e22bcc1c4315e09a59d39767d7774309693cb338a2c9865d1bc5a13
SHA1 hash: e7e8c47de6cf5dabf764692b2c0a65ddb94b1cbf
MD5 hash: 2fdffb6ad97ad521a6ef0dfb21bea4f7
humanhash: arizona-alabama-hot-ohio
File name:BL-SHIPPING INVOICE.zip
Download: download sample
Signature Formbook
File size:603'298 bytes
First seen:2024-02-26 09:43:28 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:h4xgA7O42TDYIaXBg7rRlVOh7usLUMvrfh7sCTtSSSNvl1UkW:ajO42o3XBqrPk7Rzt8ZHC
TLSH T17DD423F2CD2B45A9938D1AB564EA97755FAA131BDE0B97F34B0B22FF04821E369C1140
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook INVOICE Shipping zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Suki.Su@mic.com.tw<Suki.Su@mic.com.tw>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [185.222.57.132]) "
Date: "21 Feb 2024 21:12:30 +0100"
Subject: "Re: CONTRACT OF RING TRAVELLER - TP-LRT/0401-24 INV.3175001503"
Attachment: "BL-SHIPPING INVOICE.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
271
Origin country :
CH CH
File Archive Information

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

File name:BL-SHIPPING INVOICE.exe
File size:747'008 bytes
SHA256 hash: 02a690404a3d82ed7aef87f8518cac02809384d6b0550a36fc837c8552255d3d
MD5 hash: 04f44a0cce98b16a0c4154119ff88cd6
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
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.PureLogStealer
Status:
Malicious
First seen:
2024-02-21 13:41:46 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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:SUSP_Archive_Phishing_Attachment_Characteristics_Jun22_1
Author:Florian Roth (Nextron Systems)
Description:Detects characteristics of suspicious file names or double extensions often found in phishing mail attachments
Reference:https://twitter.com/0xtoxin/status/1540524891623014400?s=12&t=IQ0OgChk8tAIdTHaPxh0Vg
Rule name:SUSP_Archive_Phishing_Attachment_Characteristics_Jun22_1
Author:Florian Roth
Description:Detects characteristics of suspicious file names or double extensions often found in phishing mail attachments
Reference:https://twitter.com/0xtoxin/status/1540524891623014400?s=12&t=IQ0OgChk8tAIdTHaPxh0Vg
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
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 5a6df8bc2547ccd52803a48656114e0177332d62f36c559f32d9035ad0b04030

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments