MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51e26c4bc1483ae84b72d19cdb153b468e928f4da999f25821da2e060fd66a29. 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: 51e26c4bc1483ae84b72d19cdb153b468e928f4da999f25821da2e060fd66a29
SHA3-384 hash: 1ee6a719aff045c5e1e0b8a5b79db6ac1bfb8f2834f4047f365393ed75a5239b72411b6461a2bc01017caaf2c18859e6
SHA1 hash: 8547894588edcfd39df10d128f7d1c85a8fa72ca
MD5 hash: 8132117445af8ddc0a346dcc9749498e
humanhash: south-sink-fillet-floor
File name:gunzipped
Download: download sample
Signature AgentTesla
Create hunting rule
File size:768'000 bytes
First seen:2020-07-21 05:55:58 UTC
Last seen:Never
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:rre1q9I6/kldSC8Lu1jK4sHNeN0qtoesduqqDyaod+ik4g8y3SoDO/:rKOlTteqq+dudW2rEloDO/
Threatray 10'621 similar samples on MalwareBazaar
TLSH 8BF4F1CD6A543407C5AC2EFCCE56C6B843389D14F6F2A35A27C1BD6A2B7D343D806592
Reporter abuse_ch
Tags:AgentTesla


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 35-168-85-129.plesk.page
Sending IP: 35.168.85.129
From: SAMI F. MATTAR <salma@korritravel.com>
Reply-To: SAMI F. MATTAR <ricknicolas.aol@hotmail.com>, SAMI F. MATTAR <ricknicolas.aol@hotmail.com>
Subject: Request for quotation
Attachment: PRODUCTS AND SPECIFICATION_PDF.gz (contains "gunzipped")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29676/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392431
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51e26c4bc1483ae84b72d19cdb153b468e928f4da999f25821da2e060fd66a29/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 05:57:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=khrgys6bja5oqs3s2gonwfj3i2hjfd2nvgm7ewbb3ixamd6wniuq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'611 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/200721-26w7kvseyj/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
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.
Threat name:
Unknown
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/51e26c4bc1483ae84b72d19cdb153b468e928f4da999f25821da2e060fd66a29

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

gz 23a38a2a2493f6316c81237a12dec2d18b497a7d2078db9570a01d6c1c0e8d00

AgentTesla

Executable exe 51e26c4bc1483ae84b72d19cdb153b468e928f4da999f25821da2e060fd66a29

(this sample)

  
Dropped by
MD5 c8a538824dee6543a20189486d334c0e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29676/
  
Dropped by
SHA256 23a38a2a2493f6316c81237a12dec2d18b497a7d2078db9570a01d6c1c0e8d00

Comments