MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 806139746512dd321b595ce4283f32de1d6862730d2ef4260c796f88ebb5c06c. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 806139746512dd321b595ce4283f32de1d6862730d2ef4260c796f88ebb5c06c
SHA3-384 hash: d7e3fc324864e767ea19570b3f3e51f3381094db6081b7b5b9c7534963463d373a55069636754b61d9f32901108728af
SHA1 hash: 129f91cde6da0ae37147ba33cc74e05986a0f303
MD5 hash: 48a6a295b4fb88ac9523f7a55379a3b7
humanhash: don-alabama-muppet-hydrogen
File name:Fatura ödem(finial invoice.SOA_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:764'416 bytes
First seen:2020-10-17 06:36:38 UTC
Last seen:2020-10-17 08:04:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:sQn98zs2faPdzxm4qL6HFTN6hkFwbhHUqw2XafO8CU8RDJ6vsDTss3P:s7aPdsDLG6hkFwbhH52F8RF6kcs/
TLSH 21F4E0316B49AF25E0BD4377D8E4186093F9AD469332C62A7CF932CE6AB1BD05132717
Reporter abuse_ch
Tags:AgentTesla exe geo TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server3.sonel.com.tr
Sending IP: 94.130.72.33
From: Zafer Avsar - Lemar <zafer.avsar@lemar.com.tr>
Subject: Fatura ödeme
Attachment: Fatura demfinial invoice.SOA_pdf.rar (contains "Fatura ödem(finial invoice.SOA_pdf.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/72455/
Detection(s):
SecuriteInfo.com.Variant.MSILPerseus.237529.5258.1490.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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/494279
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
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)
Sigma detected: Capture Wi-Fi password
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/806139746512dd321b595ce4283f32de1d6862730d2ef4260c796f88ebb5c06c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-16 18:58:33 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qbqts5dfcloteg2zltscqpzs3yowqyttbuxpijqmpfxyr25vybwa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Link:
https://tria.ge/reports/201017-3al6xk8enj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
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 Payload
AgentTesla
Unpacked files
SH256 hash:
806139746512dd321b595ce4283f32de1d6862730d2ef4260c796f88ebb5c06c
MD5 hash:
48a6a295b4fb88ac9523f7a55379a3b7
SHA1 hash:
129f91cde6da0ae37147ba33cc74e05986a0f303
Link:
https://www.unpac.me/results/16da2318-4b6b-4b0d-bf41-0a1864d82cb4/
SH256 hash:
3c9d86f29624f144e8319a3633a13533ec2e59f6c8e305cc6c9b001cb977a41d
MD5 hash:
16ac216c66839b4235be79d378b17a45
SHA1 hash:
5d3f681ed1cfe39fa8153fb6ad91212361872c0a
Link:
https://www.unpac.me/results/16da2318-4b6b-4b0d-bf41-0a1864d82cb4/
SH256 hash:
53125e425241d1aed1d22200e5f633fb850f9ad08e29da0f0182a0465e2abab4
MD5 hash:
06247c7da351fcdc99023cc7b24115eb
SHA1 hash:
5facec41fd74291e794b0ac18eb90643e7e44dbd
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/16da2318-4b6b-4b0d-bf41-0a1864d82cb4/
Parent samples :
806139746512dd321b595ce4283f32de1d6862730d2ef4260c796f88ebb5c06c
db6bf2a2acd7cd4c72c9252df8be32847946098bbee0826ccd7437dbb3effd0d
f113764c8f2056b59ea3aa219471369561aa47eb90ce7b937ba9568d1c64d018
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/16da2318-4b6b-4b0d-bf41-0a1864d82cb4/
SH256 hash:
b768593e009568816f24b4710c1df6396675bbbefa09df3f15b750ff42df630b
MD5 hash:
814fc089ea96058b37f57b7e7c6a76c0
SHA1 hash:
e5ca5cd03f100d709a0e058a0769b49b504660c1
Link:
https://www.unpac.me/results/16da2318-4b6b-4b0d-bf41-0a1864d82cb4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/806139746512dd321b595ce4283f32de1d6862730d2ef4260c796f88ebb5c06c

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_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
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

rar c581cb4beea9fff7c68fb327aef87ab319041d44d630da17cddd58aad39c96da

AgentTesla

Executable exe 806139746512dd321b595ce4283f32de1d6862730d2ef4260c796f88ebb5c06c

(this sample)

  
Dropped by
MD5 75d5039e744ab50cb7e65fd7f07bc3e9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/72455/
  
Dropped by
SHA256 c581cb4beea9fff7c68fb327aef87ab319041d44d630da17cddd58aad39c96da

Comments