MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cc4e45a2448e81c638cf0a84c269d7d926135647f95d318279429587d462e9a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7cc4e45a2448e81c638cf0a84c269d7d926135647f95d318279429587d462e9a
SHA3-384 hash: 643dc06f6e320b413b1982ad32ed645bc326b2753b025614c5155ef3566d893596f13319b391c7a68ba8057b559d69ee
SHA1 hash: 032706f1cf2243ebb4f8bcdcd7aad7dded9f4ba9
MD5 hash: 082fbe66f906371b4f3f9dc420f98370
humanhash: north-eleven-march-fourteen
File name:Yhl202000233_oo3.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:490'496 bytes
First seen:2020-08-18 12:46:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:jjqGeXTf1YSrXHB4S5/NeZI77/LE//Vuqc5cYo:A1YSjB42gZ2muqc
Threatray 9'939 similar samples on MalwareBazaar
TLSH A9A4F15C7128B38FC82E8D7AA9581C7587712277621BF2029D53D8EA6E1DF93CE015E3
Reporter abuse_ch
Tags:AgentTesla exe MailChannels


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: brown.birch.relay.mailchannels.net
Sending IP: 23.83.209.23
From: chenglei@sublimitemail.xyz
Subject: RE: FOB kaohsuing to Riyadh (Alsamasy) 3x40HQ S/元山工業
Attachment: Yhl202000233_oo3.zip (contains "Yhl202000233_oo3.exe")

AgentTesla SMTP exfil server:
mail.puntomesa.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/47847/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7cc4e45a2448e81c638cf0a84c269d7d926135647f95d318279429587d462e9a/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 05:01:29 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ptcoiwrejdubyy4m6cueyju5pwjgcnlep6k5ggbhsquvq7kgf2na._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1bfdb7e4f0aadba330b6017c2608570e791bfddff789d128ecb5ca9a5a06e6fe
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ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8
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af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5
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b502f774e9192f77aa713347f2747b67df5a473be721226bf0b2d98bdff8a835
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c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927
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f749fcdcc06750ec8e3839b52ddd13e9a2023673da83aefe1c13439e1351fab5
AgentTesla
+ 9'929 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200818-my8lb5x4d2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7cc4e45a2448e81c638cf0a84c269d7d926135647f95d318279429587d462e9a

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

zip baace88041fa051fb7360a7c2ac5a37177f2e16cbceaf96d9f23d03dfa596eae

AgentTesla

Executable exe 7cc4e45a2448e81c638cf0a84c269d7d926135647f95d318279429587d462e9a

(this sample)

  
Dropped by
MD5 79d83dbae232e16382cffd449a1c7456
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47847/
  
Dropped by
SHA256 baace88041fa051fb7360a7c2ac5a37177f2e16cbceaf96d9f23d03dfa596eae

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