MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8644db718fef4951bd198cb7342d7070b97a32ef4344b8eb0d0e8f244c041af. 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: 7


Intelligence 7 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8644db718fef4951bd198cb7342d7070b97a32ef4344b8eb0d0e8f244c041af
SHA3-384 hash: 984cd9beecea8e8f37f620861c0e1d2ab094d483caf42cadee8b03c6b32b18b48a563c948fe8bb4c308aefaed2b81665
SHA1 hash: b8059a1a22e54b113101400eb2d2d47952f1908d
MD5 hash: 5d9ae7dead94469a6e9f0fb44fd22acb
humanhash: october-leopard-berlin-bacon
File name:INV. DSSTO-202311007.exe.gz.001
Download: download sample
Signature AgentTesla
Create hunting rule
File size:702'199 bytes
First seen:2023-11-14 09:20:10 UTC
Last seen:Never
File type: gz
MIME type:application/gzip
ssdeep 12288:/JV1h5vb3GVbmz0iMySUUJVBScaPdJS3guho5kQF4FYF70iT7/Ft4aI:htVbqbmwiZiScsS3gVkQF4iF70iHoN
TLSH T1CEE4237DE4677C6405920A437758E795CDB5A9C7BCCADCE488863942ACF030D83A9EEC
Reporter cocaman
Tags:001 AgentTesla gz


Avatar
cocaman
Malicious email (T1566.001)
From: ""Sabrina Liu" <Sabrina.Liu@bader-leather.com>" (likely spoofed)
Received: "from bader-leather.com (unknown [91.92.241.3]) "
Date: "13 Nov 2023 21:38:31 -0800"
Subject: "URGENT!!! Advice of Sea-Shipment PO. 202308000021 / INV. DSSTO-202311007"
Attachment: "INV. DSSTO-202311007.exe.gz.001"

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
CH CH
File Archive Information

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

File name:INV. DSSTO-202311007.exe
File size:995'840 bytes
SHA256 hash: e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc
MD5 hash: e0e2ac64b8dbe6a3d13f748608bf73b2
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.3537.15993.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65533c0022cb67a37486eaf7/reports/33eb4440-2142-4ba6-9b6a-0ccc8a1e3d99/overview
Verdict:
Malicious
Labled as:
Mal/DrodGzip
Link:
https://www.hybrid-analysis.com/sample/b8644db718fef4951bd198cb7342d7070b97a32ef4344b8eb0d0e8f244c041af
Result
Verdict:
MALICIOUS
Score:
1%
Verdict:
Benign
File Type:
Archive
Link:
https://malprob.io/report/b8644db718fef4951bd198cb7342d7070b97a32ef4344b8eb0d0e8f244c041af
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8644db718fef4951bd198cb7342d7070b97a32ef4344b8eb0d0e8f244c041af/
Threat name:
ByteCode-MSIL.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2023-11-14 04:55:00 UTC
File Type:
Binary (Archive)
Extracted files:
37
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbse3nyy732jkg6rtdfxgqwxa4fzpizo6q2exdvq2dupergaigxq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231114-pjb8kaba55/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b8644db718fef4951bd198cb7342d7070b97a32ef4344b8eb0d0e8f244c041af

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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: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

gz b8644db718fef4951bd198cb7342d7070b97a32ef4344b8eb0d0e8f244c041af

(this sample)

AgentTesla

Executable exe e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc
  
Dropping
AgentTesla
  
Dropping
MD5 e0e2ac64b8dbe6a3d13f748608bf73b2

Comments