MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5ffa8a9df04f5c586bcfa6b8a66b84e9709b248b5832fabaf192a52695938c3. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5ffa8a9df04f5c586bcfa6b8a66b84e9709b248b5832fabaf192a52695938c3
SHA3-384 hash: a35d86df3c18cea0f4e1e4d14e53534cba5f7d3624ec9d672655a980df2feee005dbd6a679e33bb6803c4d60064ee5be
SHA1 hash: 0b59c38fcdefff646150d48e8d5f3a7e60a5f0f1
MD5 hash: b5c7a29264b4d054fa8ab1833b6f5db5
humanhash: pizza-pluto-summer-angel
File name:TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:442'368 bytes
First seen:2020-07-10 07:03:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:0voDWVKVdwnb6P0+MwOkL+z2zEU8rghP3Px:0QybmPL+z2H
Threatray 10'730 similar samples on MalwareBazaar
TLSH 5894F14872A8B79FC1ABDBF59E744D14ABB174BB8307D2198C4311EE491DB82CF20667
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 <xquicentro@lasfragancias.com>
Subject: Aw: Swift
Attachment: TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.z (contains "TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24235/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.ENZE.15040.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:
n/a
Link:
https://mwdb.cert.pl/sample/a5ffa8a9df04f5c586bcfa6b8a66b84e9709b248b5832fabaf192a52695938c3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-10 07:05:06 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ux72rko7at24lbv47jvyuzvyj2lqtmsiwwbs7k5pdevfe2kzhdbq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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aed428639ef8418476a13687beed0c54fd48a8d89ca0d9a669439b31d93ca779
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AgentTesla
+ 10'720 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200710-9yyf2psxfx/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Modifies service
Adds Run entry to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP 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 1e87b346a773fe66f829b839da905860c6ae765e5f09d1d5ed19613fdf08c1ac

AgentTesla

Executable exe a5ffa8a9df04f5c586bcfa6b8a66b84e9709b248b5832fabaf192a52695938c3

(this sample)

  
Dropped by
MD5 ddcc56e982f2e02918ccd8eef98258f8
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24235/
  
Dropped by
SHA256 1e87b346a773fe66f829b839da905860c6ae765e5f09d1d5ed19613fdf08c1ac

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