MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc819faf213b4e30194d132a5d5e1393392a735ddff185f7a958cad8817e3bf0. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dc819faf213b4e30194d132a5d5e1393392a735ddff185f7a958cad8817e3bf0
SHA3-384 hash: 8064949fc0faf5799876441566a40252583229b1f8234798273ffcd15d951b656535238deb1bda654fcb8cc9dcac360b
SHA1 hash: 79deb07d560ab7020a2053e4be9d5f613436f116
MD5 hash: 006d990068baae87993c2c091f5ea371
humanhash: arkansas-video-idaho-sweet
File name:ARRIYADH NEW_PDF__________________________________________,,,,.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:585'216 bytes
First seen:2020-07-31 05:56:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:tb/8fwVK6wfyE0S/9U8WY5uJ/nTg/PiIlGeLazFyGgLurd:tb/8wV1vrJ/n0/aIlG6CFpgLurd
Threatray 10'673 similar samples on MalwareBazaar
TLSH FEC4CE4E70D5446EF82939FB9FBA8083DF9AECBF8145511B27F5329306F42492991E32
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.mail.hitutorhr.com
Sending IP: 210.242.229.119
From: AL MOHAMED <bunnyedb1@hitutoracdm.com>
Subject: ARRIYADH NEW 31/07/2020 PO.
Attachment: ARRIYADH NEW_PDF__________________________________________,,,,.iso (contains "ARRIYADH NEW_PDF__________________________________________,,,,.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35794/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
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/404517
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 dropped file
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)
Sigma detected: Scheduled temp file as task from temp location
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 254488 Sample: ARRIYADH NEW_PDF___________... Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 32 g.msn.com 2->32 34 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->34 38 Found malware configuration 2->38 40 Sigma detected: Scheduled temp file as task from temp location 2->40 42 Yara detected AgentTesla 2->42 44 9 other signatures 2->44 8 ARRIYADH NEW_PDF__________________________________________,,,,.exe 7 2->8         started        signatures3 process4 file5 24 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->24 dropped 26 C:\Users\user\AppData\Local\...\tmpE3D2.tmp, XML 8->26 dropped 28 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->28 dropped 30 ARRIYADH NEW_PDF__..._______,,,,.exe.log, ASCII 8->30 dropped 46 Injects a PE file into a foreign processes 8->46 12 ARRIYADH NEW_PDF__________________________________________,,,,.exe 2 8->12         started        16 schtasks.exe 1 8->16         started        18 ARRIYADH NEW_PDF__________________________________________,,,,.exe 8->18         started        20 ARRIYADH NEW_PDF__________________________________________,,,,.exe 8->20         started        signatures6 process7 dnsIp8 36 smtp.yandex.ru 77.88.21.158, 49735, 587 YANDEXRU Russian Federation 12->36 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 22 conhost.exe 16->22         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc819faf213b4e30194d132a5d5e1393392a735ddff185f7a958cad8817e3bf0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-31 05:58:07 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3saz7lzbhnhdagkncmvf2xqtsm4su42537yyl55jldfnral6hpya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'663 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200731-a5dv51h5ja/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dc819faf213b4e30194d132a5d5e1393392a735ddff185f7a958cad8817e3bf0

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

iso f3b0ee2242ceb0315fe98301b3dd516ee81fcfa9ceefb0ce57f1811f5dc602cf

AgentTesla

Executable exe dc819faf213b4e30194d132a5d5e1393392a735ddff185f7a958cad8817e3bf0

(this sample)

  
Dropped by
MD5 a9fa8e4e751d891fb1cab05d3c8c909a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/35794/
  
Dropped by
SHA256 f3b0ee2242ceb0315fe98301b3dd516ee81fcfa9ceefb0ce57f1811f5dc602cf

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