MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a5623d763b895b780916c6fef0ee21ad608aff73024b0e982c4f9a3d8778172. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 3a5623d763b895b780916c6fef0ee21ad608aff73024b0e982c4f9a3d8778172
SHA3-384 hash: ef199401ac4d742d2510fc2fd1e8201b7493776fcdeb2812aacd5e65f3a0ae5b1b39a6cbc81170e10fe4f2bd87ae58e4
SHA1 hash: 6ef3442a4e85dcff40b80f9957b309fdad54ffb5
MD5 hash: 169357c4eb1398e522af526e0a9532fc
humanhash: idaho-asparagus-snake-equal
File name:169357c4eb1398e522af526e0a9532fc.exe
Download: download sample
Signature AgentTesla
File size:33'088 bytes
First seen:2021-02-02 17:01:47 UTC
Last seen:2021-02-02 18:40:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:bEVX8nz0gbLIDoNKfBG9unIzjxcg1/R2aD+qhc:bD1zNKfBGonIzjqo2aD+F
Threatray 2'420 similar samples on MalwareBazaar
TLSH 40E218E062CD8ED2E5ABFB3532B35013473075A2B6678FABE995237328017802F53657
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.sardaplywood.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Sending an HTTP GET request to an infection source
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 very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
Installs a global keyboard hook
May check the online IP address of the machine
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 347526 Sample: CruX4aLJQX.exe Startdate: 02/02/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Yara detected AgentTesla 2->35 37 .NET source code contains very large array initializations 2->37 39 2 other signatures 2->39 7 CruX4aLJQX.exe 15 3 2->7         started        process3 dnsIp4 23 193.239.147.103, 49722, 80 DEDIPATH-LLCUS Brunei Darussalam 7->23 25 192.168.2.1 unknown unknown 7->25 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Hides threads from debuggers 7->45 11 CruX4aLJQX.exe 6 7->11         started        15 cmd.exe 1 7->15         started        17 WerFault.exe 23 9 7->17         started        signatures5 process6 dnsIp7 27 mail.sardaplywood.com 67.225.218.11, 49759, 49760, 587 LIQUIDWEBUS United States 11->27 29 nagano-19599.herokussl.com 11->29 31 2 other IPs or domains 11->31 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 2 other signatures 11->53 19 conhost.exe 15->19         started        21 timeout.exe 1 15->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-02-02 17:02:06 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger ransomware spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
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:
3a5623d763b895b780916c6fef0ee21ad608aff73024b0e982c4f9a3d8778172
MD5 hash:
169357c4eb1398e522af526e0a9532fc
SHA1 hash:
6ef3442a4e85dcff40b80f9957b309fdad54ffb5
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 3a5623d763b895b780916c6fef0ee21ad608aff73024b0e982c4f9a3d8778172

(this sample)

  
Delivery method
Distributed via web download

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