MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef3b6b5e558da669d911b3b33885a6c6c7719ebb5711ab8ff6fd9c95dafc34d1. 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: ef3b6b5e558da669d911b3b33885a6c6c7719ebb5711ab8ff6fd9c95dafc34d1
SHA3-384 hash: 6e1eeb85e3a197933dcedbc44728d4fe23cc0677e703763ce6c311a2c2e8aee8c261015183d5d1b07a20ca539f688f16
SHA1 hash: 4773fdb5936bb1ba3d8535ea79466032c60621bf
MD5 hash: ff5a2293c00ba218b9936ccd58216577
humanhash: winner-beryllium-washington-september
File name:SWIFT _679388 TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:438'272 bytes
First seen:2020-06-11 05:43:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:di/navDzzBcI7proAyK6BeZ/m/HoVswlct9:djvDzz7Zoq6slOoswK9
Threatray 10'654 similar samples on MalwareBazaar
TLSH 6B9412C83BB4EB6BDDBA06B5B0F2469157B4BD17BD93E7190EE471EA483B30445408A3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

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

AgentTesla FTP exfil server:
ftp.connectus-trade.net:21

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/8856/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.42048.72.30595.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-06-11 04:35:14 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=545wwxsvrwtgtwirwoztrbngy3dxdhv3k4i2xd7w7wojlwx4gtiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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b3dfc9fb1c0e38b8f1efb13d7ecf1e1d118ba2d9f465c246861eeb3f943e8626
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bb8106ce2daec59675ee1c2512b27a194d6f002cf2d4c19944b68785b665860b
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bb8d0c095c79a08bbdb37af0513051c43dbc0520da41082b7b257ac450aac69f
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c730fca4878dc7fec55ffb3625b9bfe4688b617dad6709b261d4e75b89e60285
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de7b76d63de4addc9c39bef5146445aa54c2005f3442addf8810379594ed8a06
AgentTesla
+ 10'644 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-h5mzdp7c6s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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 0203dfcc7c43f19bce9069968ca9893be66934248723f8bfbe99ef7ab270143d

AgentTesla

Executable exe ef3b6b5e558da669d911b3b33885a6c6c7719ebb5711ab8ff6fd9c95dafc34d1

(this sample)

  
Dropped by
MD5 84f22b0155e02df876dd3e59e2ce2b97
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0203dfcc7c43f19bce9069968ca9893be66934248723f8bfbe99ef7ab270143d
Cape
Cape
https://www.capesandbox.com/analysis/8856/

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