MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51558f41331f2345cd146dc9705f48e8a6fdc425e6744658ff2ea53d42d34ae6. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51558f41331f2345cd146dc9705f48e8a6fdc425e6744658ff2ea53d42d34ae6
SHA3-384 hash: bb46093222c7ca1c1f695ab08d178ba0f32e79ea43b2fab683639dce74611be4d2f45072f9a9bf6a11c02a9c7482d9c0
SHA1 hash: d9c6cf2322734d49a1c479ff31d044ccef2f739e
MD5 hash: bdbfa33c09b950889d9fc19954f20935
humanhash: magnesium-west-early-lactose
File name:QUOTE 002242020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'155'520 bytes
First seen:2020-06-19 12:18:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:Fr/X5kQP2nMTNgOJ00FmKqls49pdbePC5VTq68MVfQK5ZNoJxlrd:dRX+MbJ00UKqK49XbePCTx8MVIwNgZd
Threatray 11'196 similar samples on MalwareBazaar
TLSH 7EA5234233D4DB31CA66667BD1DB011003392C976362D78DAECD739D66727E2BA03A63
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: operasia.com
Sending IP: 103.99.1.149
From: karen.huang<karen.huang@operasia.com>
Subject: RE: QUOTATION 
Attachment: QUOTE 002242020.zip (contains "QUOTE 002242020.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/9544/
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-06-19 12:20:09 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kfky6qjtd4rultiunxexax2i5ctp3rbf4z2emwh7f2st2qwtjlta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1296fea5be2ddeca7afbb565183c83b9a5660eb1fe98942bb2f048be7b237f6c
AgentTesla
246c477d796aabc41946276b9fa8c4201716c2f2aad6d2ec2c26075898b7396d
AgentTesla
513e797eab500315caf66ea8f8fd8ad7aa879368533eff217af06cfdec1c04d6
AgentTesla
5dcc9c1e15ffe2b5443d07490a733e9167ef47fed99cc3d494bf7674e9e472d0
AgentTesla
5f409bddf5b4efe31ec833332774381385c1a31e3e2d8e5e3b2d2f934be0a5a7
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826f7d92ad363ef5588a9d983b76899cd45279c201e2af459a38ef034527bf06
AgentTesla
8ee12529c5e5e47ab9c291af49e47c41483f67ac4e9054aa7697e58fa625165f
AgentTesla
955ac7517239af374296cd9fa5448c42f619097c8dd7477d3039d6f028155cb5
AgentTesla
9d61fc57f815de45a42877d6dec45d7483badedc2de5022c8a2f37c6d3f1e281
AgentTesla
f0b3f2e5bfee0f37c39392331af6a27a89e03a077d9e8084f6c0a5ffb843b27d
AgentTesla
+ 11'186 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-pacw17sbr6/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
ServiceHost packer
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 608bfdfda2da2ae16a591935cae960dd3f3a3b044c8902d3593c483afdbc036c

AgentTesla

Executable exe 51558f41331f2345cd146dc9705f48e8a6fdc425e6744658ff2ea53d42d34ae6

(this sample)

  
Dropped by
MD5 b9c199d8abb3f60758867eb5ee4950c6
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 608bfdfda2da2ae16a591935cae960dd3f3a3b044c8902d3593c483afdbc036c
Cape
Cape
https://www.capesandbox.com/analysis/9544/

Comments