MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 148b746bef9c1b3b166bec48b28d98e655bbe87bd161fa09ae72674f7b15c7a3. 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



AgentTesla


Vendor detections: 8


Intelligence 8 IOCs YARA 18 File information Comments

SHA256 hash: 148b746bef9c1b3b166bec48b28d98e655bbe87bd161fa09ae72674f7b15c7a3
SHA3-384 hash: 0abc078a312753f9d4c0c9af0ab1d8b7d1e872d3aec83beba6428e54aeec529265085e3b96382e693a2b18aa8cafe5b2
SHA1 hash: 4a354832e599d4ff1fd3e50eb1bdae874bef82bd
MD5 hash: aaa6f4688007aa92ed409c56a3e3b952
humanhash: stairway-neptune-emma-zebra
File name:Attached Quotation.zip
Download: download sample
Signature AgentTesla
File size:644'422 bytes
First seen:2024-06-21 07:15:35 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:EIi9yAS0E8ssRwV2ezSwGgGXf1k+IgFJAu1kTakEd8PT/gbyrap:E19I/8d2I7gCwYuu1kVEd8PayrU
TLSH T121D423D7A1EFBAF7909FB494635C42C7640D4233726E25424EA20815A45B0EB4FB97CF
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla QUOTATION zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Ruth Kulabako NALUBEGA < ruth.nalubegakulabako@vinci-construction.com>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [185.222.58.121]) "
Date: "21 Jun 2024 03:52:44 +0200"
Subject: "Attached Quotation"
Attachment: "Attached Quotation.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
185
Origin country :
CH CH
File Archive Information

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

File name:Attached Quotation.exe
File size:688'640 bytes
SHA256 hash: cf72911e54f5c89131710f7032eb6b670a4f89986d75566ac7f4c86db1141a6f
MD5 hash: 868ee45a89360fac19810c9dcfb6e9aa
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-06-21 01:02:48 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
14 of 38 (36.84%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
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:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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_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: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_Generic_Threat_9f4a80b2
Author:Elastic Security
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

AgentTesla

zip 148b746bef9c1b3b166bec48b28d98e655bbe87bd161fa09ae72674f7b15c7a3

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla

Comments