MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18efb91c0c6f0dec6620bf5e170ba7803a1d2e208c2545f3580d265a782cb745. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18efb91c0c6f0dec6620bf5e170ba7803a1d2e208c2545f3580d265a782cb745
SHA3-384 hash: 0da422012225ecb5b809ae094b4dbcd123f37abc31097d459afa9b7e9146296d78654b14a9fa4951fa34ab7367e379db
SHA1 hash: 23a9ba49b42bebf243e6493bc0a4fc74b3fc4bcf
MD5 hash: bb0784cacd5ff0f33b3e2acc3b8b1ffc
humanhash: spaghetti-nineteen-early-mobile
File name:NEW SAMPLE ORDER.7z
Download: download sample
Signature AgentTesla
Create hunting rule
File size:714'598 bytes
First seen:2024-05-06 14:13:13 UTC
Last seen:2024-05-15 11:22:23 UTC
File type: 7z
MIME type:application/x-7z-compressed
ssdeep 12288:SVl11eBSxY7Xfpeiwd5EJOtmaqluVirE+nf33eMTeb2denZ5au9moQh5H6eGx3yu:S/1qSW1e9DtmR6qtf/Teb2ivW5H6dtyu
TLSH T1DBE423A7D30151B75C50CC4859A2DDC24E09C7AB44B6CB67AF811BBC70DEC1BD86EBA1
TrID 57.1% (.7Z) 7-Zip compressed archive (v0.4) (8000/1)
42.8% (.7Z) 7-Zip compressed archive (gen) (6000/1)
Reporter cocaman
Tags:7z AgentTesla


Avatar
cocaman
Malicious email (T1566.001)
From: "Thaoctp@tbsgroup.vn" (likely spoofed)
Received: "from tbsgroup.vn (unknown [140.228.29.152]) "
Date: "6 May 2024 07:11:39 -0700"
Subject: "NEW SAMPLE ORDER FOR SAUCONY ADULT/S25/MAGAZINE- 3110181407S"
Attachment: "NEW SAMPLE ORDER.7z"

Intelligence

File Origin
# of uploads :
2
# of downloads :
91
Origin country :
CH CH
File Archive Information

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

File name:NEW SAMPLE ORDER.exe
File size:907'784 bytes
SHA256 hash: 30118db79f45d9e495d85d5188ebc4e010a2bc33258b8b0d0d1abfd1f056502f
MD5 hash: 755bd5d68b7534193c16fbde38f20bf1
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.7Zip_fs935.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/6638e5af54aa07c307ed69ce/reports/b0130c1a-7b68-4eff-9c78-a4637419c7a1/overview
Verdict:
Suspicious
Labled as:
Mal/Drod7zip
Link:
https://www.hybrid-analysis.com/sample/18efb91c0c6f0dec6620bf5e170ba7803a1d2e208c2545f3580d265a782cb745
Score:
99%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/18efb91c0c6f0dec6620bf5e170ba7803a1d2e208c2545f3580d265a782cb745
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/18efb91c0c6f0dec6620bf5e170ba7803a1d2e208c2545f3580d265a782cb745/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-06 04:31:41 UTC
File Type:
Binary (Archive)
Extracted files:
28
AV detection:
19 of 38 (50.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ddx3shamn4g6yzrax5pboc5hqa5b2lrarqsul42ybutfu6bmw5cq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240506-r5ab7sab58/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
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.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/18efb91c0c6f0dec6620bf5e170ba7803a1d2e208c2545f3580d265a782cb745

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
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
Rule name:win_agent_tesla_g2
Create hunting rule
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

7z 18efb91c0c6f0dec6620bf5e170ba7803a1d2e208c2545f3580d265a782cb745

(this sample)

AgentTesla

Executable exe 30118db79f45d9e495d85d5188ebc4e010a2bc33258b8b0d0d1abfd1f056502f

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 30118db79f45d9e495d85d5188ebc4e010a2bc33258b8b0d0d1abfd1f056502f
  
Dropping
AgentTesla
  
Dropping
MD5 755bd5d68b7534193c16fbde38f20bf1

Comments