MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 398d5e68ed68b15881edb7c7d78dfcdee8e612a4595b689a0d76b3c39d3538ee. 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 7 File information Comments

SHA256 hash: 398d5e68ed68b15881edb7c7d78dfcdee8e612a4595b689a0d76b3c39d3538ee
SHA3-384 hash: 35407ac089fa0d09a617d8ce81edcc70f2e6b403263e3daf727ecbaccf86c307621ff87546dcf0c7ba1528eefb1a115c
SHA1 hash: 7af9bb267ffdd59354d03bd57a0df1a34a046281
MD5 hash: 7803ad51327ae8891d9385123162a205
humanhash: video-indigo-fix-lake
File name:payment receipt.exe
Download: download sample
Signature AgentTesla
File size:741'888 bytes
First seen:2021-08-31 06:20:23 UTC
Last seen:2021-08-31 13:43:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288://ASBRDmJtP0+v1fNraoFlroHSKgfd6Dgk33WIc1iLmeSeGpo0TsetvyjclCV3LT:/JBRDmLVX9lcHSKgfugk3GHiLXn3
Threatray 9'175 similar samples on MalwareBazaar
TLSH T136F4CF8DB600B6FEC81BC97198640C30A3113D7A475A973BB45732F95BBF19B8E15CA2
dhash icon f9c9c9c8dcc1ce0c (13 x AgentTesla, 3 x Formbook, 2 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment receipt.exe
Verdict:
Malicious activity
Analysis date:
2021-08-31 06:22:08 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
DNS request
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
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
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 474706 Sample: payment receipt.exe Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 11 other signatures 2->58 7 payment receipt.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 2 2->13         started        process3 file4 36 C:\Users\user\AppData\...\OQUlPkREsml.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp5120.tmp, XML 7->38 dropped 40 C:\Users\user\...\payment receipt.exe.log, ASCII 7->40 dropped 60 Injects a PE file into a foreign processes 7->60 15 payment receipt.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        62 Multi AV Scanner detection for dropped file 11->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->64 66 Machine Learning detection for dropped file 11->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->68 22 kprUEGC.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        signatures5 process6 dnsIp7 42 mail.diva-italia.com 160.153.63.160, 49718, 587 AS-26496-GO-DADDY-COM-LLCUS United States 15->42 30 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->30 dropped 32 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->32 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 Tries to harvest and steal ftp login credentials 15->48 50 4 other signatures 15->50 26 conhost.exe 20->26         started        34 C:\Windows\System32\drivers\etc\hosts, ASCII 22->34 dropped 28 conhost.exe 24->28         started        file8 signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-31 01:49:15 UTC
AV detection:
15 of 45 (33.33%)
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 SetWindowsHookEx
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Contains code to disable Windows Defender
Unpacked files
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
183b0541d543ff44f0e6cb2be229fe66bae871e6e0a877bce7ffd90e92702fea
MD5 hash:
a36f36173f28ca221aad5473595b9610
SHA1 hash:
2eaeceda3cec7bd4154b7ed6bd52c726f4a30542
SH256 hash:
4a5c152a9935471ad0496d23f9dd2f900ce018e3b47e71b80656443006eaa81a
MD5 hash:
71285f79f9f367eb8a2ac8aefd7defd0
SHA1 hash:
2132294324434b2e630c74d4c329a240fc2d106c
SH256 hash:
398d5e68ed68b15881edb7c7d78dfcdee8e612a4595b689a0d76b3c39d3538ee
MD5 hash:
7803ad51327ae8891d9385123162a205
SHA1 hash:
7af9bb267ffdd59354d03bd57a0df1a34a046281
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.

Malspam

AgentTesla

Executable exe 398d5e68ed68b15881edb7c7d78dfcdee8e612a4595b689a0d76b3c39d3538ee

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments