MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86252b6aa3b9d40cf6c63175d7f5764c9a8c45c076173236f3a0efc8730e43bc. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
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SHA256 hash: 86252b6aa3b9d40cf6c63175d7f5764c9a8c45c076173236f3a0efc8730e43bc
SHA3-384 hash: 96b49d0fc3a5777bc08c1bf434c04f00a5428f93c61692df4e4db863c9b6b94b1e3c5a1e6f001d177c54c78b92a57a30
SHA1 hash: fcfb7e4d0c19fd448a5d6db6ae742634df6593e5
MD5 hash: dd9097e7493e983fe0a803c5de9ca7f6
humanhash: cardinal-juliet-winner-winner
File name:dd9097e7_by_Libranalysis
Download: download sample
Signature AgentTesla
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File size:849'920 bytes
First seen:2021-05-12 09:01:21 UTC
Last seen:2021-05-12 09:53:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:slsssWyecLG8LuFIqPEM4k8z47/ii+fJdBr38yQosB2rNVuSMxuVne5ytVX7j6kC:csssWBmq8c8z/i+xr3q8NVxMQF77jJC
Threatray 4'859 similar samples on MalwareBazaar
TLSH 1C0512593304F2DDC06BD471DBA41CEADF206DA2431B462B9467B2AF5A9E48BCF005F2
Reporter Libranalysis
Tags:AgentTesla


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Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Malware.Heuristic.1003.28144.19225.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779659
Signature
.NET source code contains very large array initializations
Detected unpacking (changes PE section rights)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
PE file contains section with special chars
PE file has nameless sections
Potentially malicious time measurement code found
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 412057 Sample: dd9097e7_by_Libranalysis Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 9 other signatures 2->37 7 dd9097e7_by_Libranalysis.exe 9 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming19HHixZJUk.exe, PE32 7->19 dropped 21 C:\Users\...21HHixZJUk.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpE841.tmp, XML 7->23 dropped 25 C:\Users\...\dd9097e7_by_Libranalysis.exe.log, ASCII 7->25 dropped 39 Detected unpacking (changes PE section rights) 7->39 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 4 other signatures 7->45 11 dd9097e7_by_Libranalysis.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 mail.esquiresweaters.com 192.185.171.219, 49765, 587 UNIFIEDLAYER-AS-1US United States 11->27 29 192.168.2.1 unknown unknown 11->29 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 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/86252b6aa3b9d40cf6c63175d7f5764c9a8c45c076173236f3a0efc8730e43bc/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-05-12 09:02:21 UTC
AV detection:
15 of 47 (31.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qyssw2vdxhkaz5wggf25p5lwjsniyroaoyltenxtudx4q4yoio6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 4'849 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210512-fr1x8zgbls/
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/86252b6aa3b9d40cf6c63175d7f5764c9a8c45c076173236f3a0efc8730e43bc

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments