MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c2eb36fc68b33fc269eaa5f42a303b63ee25bccdd99c0c424285aee9317d94c. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 8c2eb36fc68b33fc269eaa5f42a303b63ee25bccdd99c0c424285aee9317d94c
SHA3-384 hash: f3b93f05db1b3bfc3dbeaedbde233008f5fade93785acae5901d8ac689db7bbd7ea5e423ce30cedcb5af6aed4a24aad3
SHA1 hash: 8e4544eae4f9f19884a19b9ceb26925fd885f4a9
MD5 hash: 6d3104277427a281bf5ea950b81e7441
humanhash: yankee-bluebird-asparagus-oven
File name:6d3104277427a281bf5ea950b81e7441.exe
Download: download sample
Signature AgentTesla
File size:964'096 bytes
First seen:2021-03-16 19:21:20 UTC
Last seen:2021-03-16 20:37:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:oRoY7L/Wh6l4drrXpRE3fIn9MfUGboTnWBWN:HQ6v5RagMfU1nWB8
Threatray 3'259 similar samples on MalwareBazaar
TLSH 3225027623989AA1E4FD8B792425610447F1EE03D303EB8EBEE131DD1672BD08677623
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6d3104277427a281bf5ea950b81e7441.exe
Verdict:
Malicious activity
Analysis date:
2021-03-16 19:34:38 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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: 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 369676 Sample: DMxd0ahhC3.exe Startdate: 16/03/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 8 other signatures 2->35 7 DMxd0ahhC3.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\XqiyBAcenr.exe, PE32 7->19 dropped 21 C:\Users\...\XqiyBAcenr.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp497D.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\DMxd0ahhC3.exe.log, ASCII 7->25 dropped 37 Uses schtasks.exe or at.exe to add and modify task schedules 7->37 39 Writes to foreign memory regions 7->39 41 Allocates memory in foreign processes 7->41 43 Injects a PE file into a foreign processes 7->43 11 RegSvcs.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 us2.smtp.mailhostbox.com 208.91.199.223, 49754, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 4 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2021-03-16 00:09:08 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
SH256 hash:
8c2eb36fc68b33fc269eaa5f42a303b63ee25bccdd99c0c424285aee9317d94c
MD5 hash:
6d3104277427a281bf5ea950b81e7441
SHA1 hash:
8e4544eae4f9f19884a19b9ceb26925fd885f4a9
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
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.

Web download

AgentTesla

Executable exe 8c2eb36fc68b33fc269eaa5f42a303b63ee25bccdd99c0c424285aee9317d94c

(this sample)

  
Delivery method
Distributed via web download

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