MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33fafc21865d301586e6c0563fd5345b3c46f03bddea4e69dd4d2f72382d2aaa. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33fafc21865d301586e6c0563fd5345b3c46f03bddea4e69dd4d2f72382d2aaa
SHA3-384 hash: 5df7ba9b67c007884bc06eb5f3b080ba4ae55d2a86adde5b0839aa48c27a6d195edd34ec360e774f40f3770493575e5a
SHA1 hash: 7e8ab0876948ce6bda4c93df7fc44aff4bf29646
MD5 hash: 024bb13927861bf6581146b8ebc86de3
humanhash: vegan-kitten-october-hamper
File name:RFQ#50-05272020.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:546'304 bytes
First seen:2020-07-21 06:46:16 UTC
Last seen:2020-07-21 19:11:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:PG+ZugNfPxKt+cMZ7eqCYuxKeVcNbVulB+:PhZug1PxKtNialKNb0
Threatray 10'741 similar samples on MalwareBazaar
TLSH 9CC47C10D7F84ADAE3BA57B9E074004087B4B91AABE6E3591B91F0ED1C22751CB13F67
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: scenicfruit.com
Sending IP: 37.48.85.246
From: marine Ambrosio<marine@scenicfruit.com>
Subject: RFQ#50-05272020
Attachment: RFQ50-05272020.pdf.z (contains "RFQ#50-05272020.pdf.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29740/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.60237.31504.26164.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/33fafc21865d301586e6c0563fd5345b3c46f03bddea4e69dd4d2f72382d2aaa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 03:04:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gp5pyimgluyblbxgybld7vjulm6en4b33xve42o5juxxeobnfkva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'731 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/200721-gze5c6gs1e/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
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:
Unknown
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/33fafc21865d301586e6c0563fd5345b3c46f03bddea4e69dd4d2f72382d2aaa

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 f5d836c6ef6ce92e4881271d45d5b6c9b55eb8008f3115c68850876bfdbe69e3

AgentTesla

Executable exe 33fafc21865d301586e6c0563fd5345b3c46f03bddea4e69dd4d2f72382d2aaa

(this sample)

  
Dropped by
MD5 094c8918acba7b038a4683f9e05c6874
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29740/
  
Dropped by
SHA256 f5d836c6ef6ce92e4881271d45d5b6c9b55eb8008f3115c68850876bfdbe69e3

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