MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17e43db2ca4d6885d13d7beb51868c975b889197917651c7a89ee4f3ed65a740. 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 7 File information Comments

SHA256 hash: 17e43db2ca4d6885d13d7beb51868c975b889197917651c7a89ee4f3ed65a740
SHA3-384 hash: fb5811f4d3c134d7feb9e4c59773d6d5ce5858a3ea4f71ba53d1875fa9cad60a3ab703418dfb9b7a2d92f87532fe3da0
SHA1 hash: d1b56f20ed9bcac906e6c42b7d01d13224750f97
MD5 hash: 71f5840c06814d1a7e2a698c162f955a
humanhash: black-pizza-one-foxtrot
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
File size:866'816 bytes
First seen:2021-08-31 13:41:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:iBQt44D17+kRM+XihjXOVvn5CE6jSKEAsFz2qb:WQtjDB+OCjxSKEP
Threatray 9'220 similar samples on MalwareBazaar
TLSH T1A3054D7F19BDA227C165C6F58BE38827F0108B6F3110696476D347264322A7AB5F336E
dhash icon f062626222222024 (3 x AgentTesla, 1 x NanoCore)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO Number-877
Verdict:
Malicious activity
Analysis date:
2021-08-31 06:25:42 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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 475085 Sample: Purchase Order.exe Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Yara detected AgentTesla 2->66 68 8 other signatures 2->68 7 Purchase Order.exe 7 2->7         started        11 TmZaMAa.exe 5 2->11         started        13 TmZaMAa.exe 4 2->13         started        process3 file4 44 C:\Users\user\AppData\...\QQWVhBvcENxVH.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmpD759.tmp, XML 7->46 dropped 48 C:\Users\user\...\Purchase Order.exe.log, ASCII 7->48 dropped 70 Injects a PE file into a foreign processes 7->70 15 Purchase Order.exe 2 9 7->15         started        20 schtasks.exe 1 7->20         started        22 Purchase Order.exe 7->22         started        72 Multi AV Scanner detection for dropped file 11->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->76 24 schtasks.exe 1 11->24         started        26 TmZaMAa.exe 11->26         started        28 schtasks.exe 13->28         started        30 TmZaMAa.exe 13->30         started        32 TmZaMAa.exe 13->32         started        signatures5 process6 dnsIp7 50 smtp.mail.ru 94.100.180.160, 49742, 49743, 587 MAILRU-ASMailRuRU Russian Federation 15->50 52 192.168.2.1 unknown unknown 15->52 40 C:\Users\user\AppData\Roaming\...\TmZaMAa.exe, PE32 15->40 dropped 42 C:\Users\user\...\TmZaMAa.exe:Zone.Identifier, ASCII 15->42 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Tries to harvest and steal ftp login credentials 15->58 60 2 other signatures 15->60 34 conhost.exe 20->34         started        36 conhost.exe 24->36         started        38 conhost.exe 28->38         started        file8 signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-31 03:18:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence 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
Adds Run key to start application
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:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
SH256 hash:
40fa8f513c5ae8369d7b81a9a6c88387761075dc7278c7de20846f81c198083c
MD5 hash:
acad3057f22f1f523718129f5004e596
SHA1 hash:
bbba5d55126c2c80608dcffea89c08dcdaad093e
SH256 hash:
8ea56b54257b98f9252d2a0cfe1daff8255e1df5483010a563bd42d58b41e50a
MD5 hash:
c40fe7ba8d5c20afaf1bab0f73138a77
SHA1 hash:
5469141a407d3f9ef5530300618f33d2ff0b66a7
SH256 hash:
17e43db2ca4d6885d13d7beb51868c975b889197917651c7a89ee4f3ed65a740
MD5 hash:
71f5840c06814d1a7e2a698c162f955a
SHA1 hash:
d1b56f20ed9bcac906e6c42b7d01d13224750f97
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

  
Delivery method
Other

Comments