MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 161ade8ac6cb6107129a14fa6aceab06e873200ae13ea262bde1c2073c22301c. 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 4 File information Comments
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SHA256 hash: 161ade8ac6cb6107129a14fa6aceab06e873200ae13ea262bde1c2073c22301c
SHA3-384 hash: 81830a454fb14e359b3fc43541222337a7c9a7a3918d4dcc2c3704ad18279fa0f9aff44f2f0ac1277afadb2a95b254dc
SHA1 hash: 781edbbf0f6d5efd9747f9f6da9b2bc1879aed37
MD5 hash: ffd8cee0d901445c357a434872b2ed49
humanhash: diet-kansas-pennsylvania-papa
File name:Offer10044885_BMElectricalWholesaleLtd._8_05_2020.xlsm
Download: download sample
Signature AgentTesla
Create hunting rule
File size:58'851 bytes
First seen:2020-08-05 13:44:27 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:0ItrC3CBp5nBK70/ExLNL7VQzXa0swFUzSMiWcCz:XaC3nG0sxLNVQzX0zSMiWcG
TLSH 4F43F1288B12586BE281723C501CFBC608F755C19A55B2DD6FC3E72A9CCE4518A4EACF
Reporter abuse_ch
Tags:AgentTesla xlsm


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.inclusion-souken.com
Sending IP: 150.95.183.80
From: Paul Newman <paul@cnode.io>
Subject: SFH002/AT - Export Order - Shipping Specs
Attachment: Offer10044885_BMElectricalWholesaleLtd._8_05_2020.xlsm

AgentTesla SMTP exfil server:
mail.cam-asean.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.FormbookClamAVTrivaMurderParty.20200731.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/411316
Signature
Creates HTML files with .exe extension (expired dropper behavior)
Document exploit detected (creates forbidden files)
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/161ade8ac6cb6107129a14fa6aceab06e873200ae13ea262bde1c2073c22301c/
Threat name:
Script-Macro.Downloader.Obfuser
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Status:
Malicious
First seen:
2020-08-05 13:46:07 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cynn5cwgznqqoeu2ct5gvtvla3uhgiak4e7keyv54hbaopbcgaoa._file
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200805-4d5mgz9wx6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Loads dropped DLL
Executes dropped EXE
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dropper
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/161ade8ac6cb6107129a14fa6aceab06e873200ae13ea262bde1c2073c22301c

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
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Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Web download

AgentTesla

Executable exe 3458232b533e946c63311cd8241c2a390868950d89c3f5e3aaac3f2413c9b82a

AgentTesla

Excel file xlsm 161ade8ac6cb6107129a14fa6aceab06e873200ae13ea262bde1c2073c22301c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/424731/
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3458232b533e946c63311cd8241c2a390868950d89c3f5e3aaac3f2413c9b82a
  
Dropped by
MD5 a7bf31bbad9274ece1edf10d1efbad1b

Comments