MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a456844d3fc1c6c2d4afcec0a4bb8aaf2c50efec893379e869cee9d11146dc33. 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: a456844d3fc1c6c2d4afcec0a4bb8aaf2c50efec893379e869cee9d11146dc33
SHA3-384 hash: 5c7e2d0d90099f26492f3a885d10113cf1a75e6f09deaa19863105d57979c2118d6f17108d459d94f2145de7473f6ee4
SHA1 hash: 464e6499efd5052d8da957bad477f7286c84836b
MD5 hash: 9fbe355f3b64519f72a85dcbeebefa87
humanhash: september-freddie-glucose-coffee
File name:TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:453'632 bytes
First seen:2020-07-10 10:20:43 UTC
Last seen:2020-07-10 11:06:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:i7lyYoxTV1fUT94JeHZqAx7i1hNQR6/cFtw41svs5uzdfge/1hQ5qRM4a3Lfwxk:i78NxTL4GJe5FPA/EaseX/1OYM4azwx
Threatray 10'730 similar samples on MalwareBazaar
TLSH 08A4F14932A8B7DFD86BDBF18A646C609770306B4327C2469C9325DF596DBC2CF006A3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: lasfragancias.com
Sending IP: 200.110.77.218
From: R2_SSC Russian <rarias@lasfragancias.com>
Subject: AW: Swift
Attachment: TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.z (contains "TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe")

AgentTesla FTP exfil server:
ftp.rebu.co.rw:21

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24347/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.380.23747.3160.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching the process to change network settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a456844d3fc1c6c2d4afcec0a4bb8aaf2c50efec893379e869cee9d11146dc33/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-10 10:22:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=urliitj7yhdmfvfpz3akjo4kv4wfb37mrezxt2djz3u5cekg3qzq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'720 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200710-4br18evd8x/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Modifies service
Adds Run entry to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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

z b6491fd0a73271874b96d1ff53a1bb5090e884b6f47dc655220984fe9d4ff012

AgentTesla

Executable exe a456844d3fc1c6c2d4afcec0a4bb8aaf2c50efec893379e869cee9d11146dc33

(this sample)

  
Dropped by
MD5 39ce6d08ef11165118c1118507412e90
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24347/
  
Dropped by
SHA256 b6491fd0a73271874b96d1ff53a1bb5090e884b6f47dc655220984fe9d4ff012

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