MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff68eaa6d58205bb3474da47a16e02dc8f622c210abaa05318d460a1582ba883. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff68eaa6d58205bb3474da47a16e02dc8f622c210abaa05318d460a1582ba883
SHA3-384 hash: 0bc50e584c9efc8add804f5ec836b127fb14c74bd2d3e75d9d92fa0e541e2843292a43dae92bdd90fc8e8b47fadbf9e7
SHA1 hash: a7a96b19be0013c72f059fef9114b47fd4e340ef
MD5 hash: fe0270dc1c0efebf998a7104993e5cca
humanhash: delta-social-oklahoma-golf
File name:Quotation,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:594'432 bytes
First seen:2020-07-29 10:50:14 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 12288:5Mu7z4SVNDpc2uCeXt3f+kQucWAe//S2bgi2dqB4lM4:5vYYcjCedTQwS2b1Bo
Threatray 10'800 similar samples on MalwareBazaar
TLSH 3AC4F10462981B4FC35B84B83467C1F06267E098EB61DAB31E8FE5A719C66FE39C7147
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: elementopietra.it
Sending IP: 37.49.230.191
From: Kumaar Srdjan <info@elementopietra.it>
Subject: Information
Attachment: Quotation,pdf.iso (contains "Quotation,pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34759/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/402273
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: MSBuild connects to smtp port
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ff68eaa6d58205bb3474da47a16e02dc8f622c210abaa05318d460a1582ba883/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 01:31:00 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=75uovjwvqic3wndu3jd2c3qc3shwelbbbk5kauyy2rqkcwblvcbq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
016e3777c66eb1d3ebc04c573a0b9f9dca639d32312b87e68d84934b13e02a9c
AgentTesla
22bb4fb64047a3ccdb9e79080e9b9769733a84fceb7d2ec8e82d3823802e33fb
AgentTesla
624f28baa59d06a15c31280a4ab8210f55459da1a876386d47589c9b6d46b5ec
AgentTesla
75b22a0fa50ba829ea6a30ab9bb769209bb30eddda709aa0e8d04eedb7156ee4
AgentTesla
7fdde0d904ccb6ddad0e318c409cce3385c32aebc290607361b879d617322ade
AgentTesla
973eafd7f0c78c4ba4e0c692881d82feb75679e7704cc4e077c0d48851032c55
AgentTesla
a8e43601776f927b6f02d5c473ae0caa3f686b948236c94a377b68fc9aaff830
AgentTesla
cf569e5361d68bca55156e7931606bd5acea860b5824dda249285c824ee32aa6
AgentTesla
ea207622190db1288986fb640277c77cac3a5bbf3ff5ccc6a0958c2ba7797f8d
AgentTesla
f2af8295bc5013c70ef246c1a732c8e3d783ffb6a7e5112810caf1c24e52adc6
AgentTesla
+ 10'790 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200729-aj6kzh54wa/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ff68eaa6d58205bb3474da47a16e02dc8f622c210abaa05318d460a1582ba883

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

iso f4716584ceb8cb7e7146fc55f68d6f582d0ef8f204869d8f5cde6b19a96c1a44

AgentTesla

Executable exe ff68eaa6d58205bb3474da47a16e02dc8f622c210abaa05318d460a1582ba883

(this sample)

  
Dropped by
MD5 fab5faeef9154fdc7324cb18c5c86667
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f4716584ceb8cb7e7146fc55f68d6f582d0ef8f204869d8f5cde6b19a96c1a44
Cape
Cape
https://www.capesandbox.com/analysis/34759/

Comments