MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d2c8e9d03cb9dc2768d7bd74bd5f78905dc49cd59d811b278e291f1a7519a5b. 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: 8d2c8e9d03cb9dc2768d7bd74bd5f78905dc49cd59d811b278e291f1a7519a5b
SHA3-384 hash: d7986d352d02b25355f1fb69fe0b6360316af7235e5ccce72bf78133029996b2e53c112d02383c79a1eb6b21841fc488
SHA1 hash: 7af0e1e40fe3481b4eb448a80f223bfbdd04b32e
MD5 hash: 5ac5428c0c5f639661589f355b9ef650
humanhash: charlie-quiet-magazine-sodium
File name:2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:684'544 bytes
First seen:2020-08-06 06:56:31 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:K4cK3OsSnPg1ZNkePgNrVzHSDTXFHHtC2W:SKLSnyRPgrFH8rFHNW
Threatray 10'774 similar samples on MalwareBazaar
TLSH 6BE47B2561761A97C7FC80B44F0C724849E382B51A9FF7C5ECB72885F2926B06B2DC5B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.biclart.com
Sending IP: 104.168.176.91
From: Andreas Buring<buring_wsd@wsd-gotha.de>
Subject: OrderB00000303287
Attachment: 2020-08-05_2020-08-05_B00000303287_K71223.PDF.zip (contains "2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/40215/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/412369
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 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
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
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 signatures2 2 Behavior Graph ID: 258435 Sample: 2020-08-05_2020-08-05_B0000... Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 Yara detected AgentTesla 2->35 37 8 other signatures 2->37 7 2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\ZkNJmy.exe, PE32 7->21 dropped 23 C:\Users\user\...\ZkNJmy.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpBE6C.tmp, XML 7->25 dropped 27 2020-08-05_2020-08..._K71223.PDF.exe.log, ASCII 7->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 11 2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe 7->17         started        signatures5 process6 dnsIp7 29 smtp.privateemail.com 199.193.7.228, 49727, 587 NAMECHEAP-NETUS United States 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8d2c8e9d03cb9dc2768d7bd74bd5f78905dc49cd59d811b278e291f1a7519a5b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 06:58:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ruwi5hidzoo4e5unppluxvpxrec5ysonlhmbdmty4ki7dj2rtjnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
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b1135688496020eb3e075121b22fb9c726c6021068ce415be82d8e48540dc563
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e9d361854883ec0f97b1e70a46a4f40393848b33dfaf63ef182c665a68b043dd
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AgentTesla
+ 10'764 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/200806-myj2vtmmxn/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
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
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/8d2c8e9d03cb9dc2768d7bd74bd5f78905dc49cd59d811b278e291f1a7519a5b

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

zip 4212677922a4993bc76bfde7feffc1257d3d139330ccbdda06fa120b13cd4a0d

AgentTesla

Executable exe 8d2c8e9d03cb9dc2768d7bd74bd5f78905dc49cd59d811b278e291f1a7519a5b

(this sample)

  
Dropped by
MD5 d7b9c14b44891d6609e1d7fda06b9dad
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/40215/
  
Dropped by
SHA256 4212677922a4993bc76bfde7feffc1257d3d139330ccbdda06fa120b13cd4a0d

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