MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6605a4cf0c36d6f6aaead82b3718559c1b177ae6fb6102b340fa5651ea1a9c3. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d6605a4cf0c36d6f6aaead82b3718559c1b177ae6fb6102b340fa5651ea1a9c3
SHA3-384 hash: f379b7bd65fcde6a3e9483df438bd25fb4ce17dbae61d354471488b7a4a607b6f2388b63abfe95df1918e0ca86050d77
SHA1 hash: c5e6c94d71c0a64da8db6b22625ee938c3c1e874
MD5 hash: 0ad66d7465100f9454ba1cc7c2254d37
humanhash: monkey-william-football-cup
File name:Medical Equipments Samples.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'801'216 bytes
First seen:2020-12-20 12:10:47 UTC
Last seen:2020-12-20 13:33:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'472 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ICB46b4FQ44Y4X44JDkMdqN5c48ldsz6y0lZ6+RyM+faW6XrA4UlJrmL4Y5Gw1ov:gke
Threatray 1'918 similar samples on MalwareBazaar
TLSH 97853E0249816CCBD7B2D090A34DC2D6B38795DCE7EA5FD4AE20E25532CC4B7EB69D81
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sakura13.loopcreate.com
Sending IP: 133.242.50.154
From: Jen Nahid <pedidos@ainea.es>
Subject: Jan 21 Medical Equipments Order
Attachment: Medical Equipments Samples.iso (contains "Medical Equipments Samples.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Medical Equipments Samples.exe
Verdict:
Malicious activity
Analysis date:
2020-12-20 12:15:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/aa416337-0698-4f2e-b9a3-95bb6d0ecd33

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/108611/
Detection(s):
SecuriteInfo.com.Generic.mg.0ad66d7465100f94.25504.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Sending a UDP request
Result
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/567000
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d6605a4cf0c36d6f6aaead82b3718559c1b177ae6fb6102b340fa5651ea1a9c3/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2zqfuthqynww62vovwblg4mflha3c55on63bakzub6swkhvbvhbq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
25d2c8bc76bef3a842796941b7311ab6db705db48f9e60663bd3939ac5dc22a3
AgentTesla
27645f1d148b659a43b23aff406fd0a354c0f4c5ad89eadc475cc5b58244c83b
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34fef61460f3196f9c4f0f267443302cc5573d935ad73f18eb33aea41d8be5d3
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497e1d0c02120ed816acd24e875f2bca394f778c6a8fce6e72a9aaede55b421e
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6c45cad2ea4958002a391549de184633d3f35b6fd71c0a372954886582f4d7b1
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abe6a77fefdede7de287d151689f87a3f59eb496d94351f4085b3bc1a6b755c2
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b9a0f67098094ecfc0675a49e35a8a7b088c459c686b383a0ad0c35ea6975f6c
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cf9fba55a1a9e94e666cbca5b10daa9c4ac1c097f720c537ca2d6fa1d8fb0d17
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e5c32739c115f51b0d7bf70fe1c50ca8253ee7ce97ef53d97582417e4bc093cb
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e758d7eed6c58b468d4e83295c69a68c013b42e6442e8791797777110f01fa02
AgentTesla
+ 1'908 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201220-ak77zzgk4a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
f7c14a93262591f3384e13a40a94869031fb3bf22641a3f654ed7af40c8c9a20
MD5 hash:
1853ac108e9e249c0c92e8f946937763
SHA1 hash:
29d8ba999dfbcc586f039f9730f131117a56df4e
Link:
https://www.unpac.me/results/31de984d-95d0-4e8e-947a-315dbdd25505/
SH256 hash:
0f44b8c3ffe203029c0883c435e47051dc17d0393ba6103c20e39f8dfefec7cc
MD5 hash:
bcb35a4c137161280f3adef92ab27174
SHA1 hash:
69bc080bdd44921cebaeb7472356db579e8bcda0
Link:
https://www.unpac.me/results/31de984d-95d0-4e8e-947a-315dbdd25505/
SH256 hash:
d6605a4cf0c36d6f6aaead82b3718559c1b177ae6fb6102b340fa5651ea1a9c3
MD5 hash:
0ad66d7465100f9454ba1cc7c2254d37
SHA1 hash:
c5e6c94d71c0a64da8db6b22625ee938c3c1e874
Link:
https://www.unpac.me/results/31de984d-95d0-4e8e-947a-315dbdd25505/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.09
Link:
https://yomi.yoroi.company/submissions/d6605a4cf0c36d6f6aaead82b3718559c1b177ae6fb6102b340fa5651ea1a9c3

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

iso 4a09dd33c9bfe98cd6fedf320cb14913d59522609b4f4c6fe542d9c55a959577

AgentTesla

Executable exe d6605a4cf0c36d6f6aaead82b3718559c1b177ae6fb6102b340fa5651ea1a9c3

(this sample)

  
Dropped by
MD5 88117ad93479b00ec5885282c674d0e7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/108611/
  
Dropped by
SHA256 4a09dd33c9bfe98cd6fedf320cb14913d59522609b4f4c6fe542d9c55a959577

Comments