MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 834c9f7bd7ce054f4a5bef137584e93bfe8a018884cb5e9370ba0dae014de3db. 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: 834c9f7bd7ce054f4a5bef137584e93bfe8a018884cb5e9370ba0dae014de3db
SHA3-384 hash: a5d42bdaa5f13106d71b9f31b179f107410c314f169a24b45d4776e189d6b1b807f409f95bfb2c5bc1c6312abedeec1e
SHA1 hash: 5dc122fd24f692ab1a2e9e63938b5991a414b3e2
MD5 hash: 651472198c3c8e5c47f12d08ab1b1da0
humanhash: leopard-solar-magazine-butter
File name:RETENCIONES.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:672'256 bytes
First seen:2020-05-20 11:57:02 UTC
Last seen:2020-05-20 13:17:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:QP63e53HHeUsLitD6EJD6LpDeBskhNpDZGR3ZMS8ZngMbC0jJ2eC9w8/b7O5:+63eJneW6Et6QhMd6CLFyc/
Threatray 10'864 similar samples on MalwareBazaar
TLSH E8E45C393685A414D13C853190E59AC16279AE833A82CB4F3FCD67ACAF073CF3766659
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: eepsjc1-02.nexcess.net
Sending IP: 104.207.238.163
From: pagos diarco <no-reply@diarco.com.ar>
Reply-To: jonah@briistol.com
Subject: Diarco - Orden de Pago
Attachment: RETENCIONES.CAB (contains "RETENCIONES.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.7587.20924.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Androm
Create hunting rule
Status:
Malicious
First seen:
2020-05-20 11:38:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qngj666xzycu6ss354jxlbhjhp7iuamiqtfv5e3qxig24akn4pnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
221f5da25d402be75cc7e28bb3edc241f293284d28fd4f37d0bf88213de4456f
AgentTesla
31fdfee945b5254c133f099214c603b772a6503d49e9426810f119e00c575d7c
AgentTesla
50ff0aae0a9f7c1fc39e15483e5ebf8235d18c9d9ef2a5bd75a538c0a42e444e
AgentTesla
55f79a0267457cdf7267d3bedb41b02b602ba6602d70e954f4eac4dae4d48de7
AgentTesla
5bc6e2a48a6e75aeee2a6ac4fc410adf13281c1d0a299b3ffe4ee0d036d235df
AgentTesla
6c9e1808f94dfa36e4c5fc3b7a5a6eeb07d9628c5950b5e68a010aaa591121cb
AgentTesla
757f7141daf24169ff3694cdf0247b7ce0b71c66a970837a71149a69b5b6d371
AgentTesla
7eda9593b5941e3572f7f72fb39e64161e55bbc50a771dc0d17f6312741b2bf7
AgentTesla
9abbf24b322068da5ac2e1581827d788d787eb8b31685863b1aa048f01ca5190
AgentTesla
9c77b82a3c0940c736dc6b61591394ed69ae046b90992b427910d3ce28f77772
AgentTesla
+ 10'854 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-5rtw24nxg6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Obfuscated with Agile.Net obfuscator
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.

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 c85c5fd6257987d4386a8592e254eee58bcc3d8b7a0f8d7d2e4f7f8b5ef23f98

AgentTesla

Executable exe 834c9f7bd7ce054f4a5bef137584e93bfe8a018884cb5e9370ba0dae014de3db

(this sample)

  
Dropped by
MD5 8fc2871a91b48d1ae904d9eadb666427
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c85c5fd6257987d4386a8592e254eee58bcc3d8b7a0f8d7d2e4f7f8b5ef23f98

Comments