MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa7cf195c540803383a53aef054355871842e7ff152e96e4a838d07d3bbc6de1. 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
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SHA256 hash: aa7cf195c540803383a53aef054355871842e7ff152e96e4a838d07d3bbc6de1
SHA3-384 hash: b6ae93ec27713803cedf884a7796de5d24cf6a705ac7f1fa13f6aca3a1c2d7e8ba7bf3096a176f0d562b9fe7e3178a74
SHA1 hash: 98c0f01798e360dfbeb1b79f489ab504202911f6
MD5 hash: 5d9719175e0d6962872c124a994e5ee1
humanhash: mars-island-asparagus-early
File name:bensway.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:526'336 bytes
First seen:2020-07-16 13:26:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:5f2iNr2k4zUxV4Sv4QVY4XKHGYwxNYZDgWPaqE4NgX0d6:R15wb4aGwJgGEIX6
Threatray 10'773 similar samples on MalwareBazaar
TLSH EAB4E0DC69646827CA9C0EF94CA2EA7117705E51F4F0F2892BC1FFAF7536390E106692
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26748/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389603
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)
Installs a global keyboard hook
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246991 Sample: bensway.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 6 DZqzte.exe 1 2->6         started        9 bensway.exe 1 2->9         started        12 DZqzte.exe 2->12         started        process3 file4 41 Multi AV Scanner detection for dropped file 6->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->45 47 Contains functionality to register a low level keyboard hook 6->47 14 DZqzte.exe 2 6->14         started        27 C:\Users\user\AppData\...\bensway.exe.log, ASCII 9->27 dropped 18 bensway.exe 1 5 9->18         started        21 DZqzte.exe 12->21         started        signatures5 process6 dnsIp7 29 mail.ariahotel.md 14->29 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->49 51 Tries to steal Mail credentials (via file access) 14->51 53 Tries to harvest and steal ftp login credentials 14->53 55 Tries to harvest and steal browser information (history, passwords, etc) 14->55 31 ariahotel.md 195.178.106.145, 49715, 49716, 587 TOPHOST-MD-ASRMoldovaChisinauParis18ARO Romania 18->31 33 mail.ariahotel.md 18->33 23 C:\Users\user\AppData\Roaming\...\DZqzte.exe, PE32 18->23 dropped 25 C:\Users\user\...\DZqzte.exe:Zone.Identifier, ASCII 18->25 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->57 59 Installs a global keyboard hook 18->59 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aa7cf195c540803383a53aef054355871842e7ff152e96e4a838d07d3bbc6de1/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 13:24:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vj6pdfoficadha5fhlxqkq2vq4mefz77cuxjnzfihdih2o54nxqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'763 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200716-yb1dfbg1z2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla
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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/26748/

Comments