MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9c3646535306988ef736f5025c85673ef1a8572a4379fe904d3f25cc6c69d95. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f9c3646535306988ef736f5025c85673ef1a8572a4379fe904d3f25cc6c69d95
SHA3-384 hash: 6ad032641a49a8716254e94a6f4e3a5070f9e7021416e834a2f0bfa09510fa6fb8c72fd4512e52e062900ce736e9f7da
SHA1 hash: da5ac4754cc4ec5cf6828a99b6447679d0ee8cf0
MD5 hash: 2439c6812485bdd6f972a761fd78ab1e
humanhash: three-johnny-uniform-kilo
File name:Valve & Pump inquiry 2020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:488'448 bytes
First seen:2020-05-12 08:55:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:zPMtrA3CZNxaZ9XTJa4eP2iKTLIcuNyRpdobwU:L0fxaZ9XTJa2luY3doR
Threatray 10'664 similar samples on MalwareBazaar
TLSH 15A4F10F7288AE0BCA9E44FE845460044FB782217A97FFC61CE994F921E17C667C5D9B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mx79.dns.com.cn
Sending IP: 180.76.192.79
From: formin@formin.com.cn
Subject: Inquiry Valves
Attachment: Valve Pump inquiry 2020.rar (contains "Valve & Pump inquiry 2020.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 03:49:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7hbwizjvgbuyr33tn5iclscwopxrvblsuq3z72ie2pzfzrwgtwkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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07dbee83e2e417de6724b1f95727539cf130bcef699321e4b350d19976df27be
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2919867ab52378d55e7d91b3b18c30b79c8527621aa9e2c2fe71d0b89dbc404a
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425e747eeb29786999142e484539cdcc922603fb936829e5968dc894a24b5528
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4486cc4b195568976f7ec4de5c40e255a445d7e7d1b3f213460c28e2acd9023e
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5e5415fe74dac9cc0f7f2bc45c377a08c430eac56f11eccfea9946e59ea6235f
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c182a5ba64ded3e4722169971689a19c5bd5e573fbacaa05d68ce3f164b13a6c
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f18c54f75aac4793d30118e30aade5bbc01deabe6e0c75ac01529702f4a9e9d8
AgentTesla
+ 10'654 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-zvw7prqghx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
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.

Malspam

AgentTesla

rar 56455f9a1aadbbf79d230e6a90fb2eed1e04091925bb904b15f687d6a41813cc

AgentTesla

Executable exe f9c3646535306988ef736f5025c85673ef1a8572a4379fe904d3f25cc6c69d95

(this sample)

  
Dropped by
MD5 aa65a5072cdc1380e78c108882fd82d2
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 56455f9a1aadbbf79d230e6a90fb2eed1e04091925bb904b15f687d6a41813cc

Comments