MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c099242c7525e8af2adb86a20685cdab5c9a7c2b7da862a843e5baf63204f4e. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c099242c7525e8af2adb86a20685cdab5c9a7c2b7da862a843e5baf63204f4e
SHA3-384 hash: f3112be58aa6a9081730e47949fadd54b1772b055c46c03e1dcae036d18dd80517e2fa02a4d00501b6adb9173c48a3ed
SHA1 hash: a061420f5eaf023d6c0e0db1354f86f76ed0a868
MD5 hash: 9acf69106dfde62726b832a993034daa
humanhash: shade-fifteen-table-aspen
File name:04_extracted.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:258'048 bytes
First seen:2020-09-02 08:44:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:itLOKFZNDrz6ppxK6LRmNnCDDRvLGbrOAOkGt6+duWA/t/SHUebbxCbGgKk12qks:iR9FTrKo6YstvLGyELbMUTKZ
TLSH 7D44C5423184EC9AE05739F248AFD56022757DEF9161C60E3787BB2A95E3342385B7CE
Reporter Racco42
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/54222/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending a custom TCP request
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/457280
Signature
Binary contains a suspicious time stamp
Creates an undocumented autostart registry key
Disables Windows Defender (via service or powershell)
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 281025 Sample: 04_extracted.exe Startdate: 02/09/2020 Architecture: WINDOWS Score: 88 45 mail.hkcostarn.com 2->45 47 hkcostarn.com 92.42.110.3, 49743, 49751, 587 VELIANET-ASvelianetInternetdiensteGmbHDE Switzerland 2->47 55 Yara detected AgentTesla 2->55 57 Yara detected AntiVM_3 2->57 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 2->59 61 5 other signatures 2->61 8 04_extracted.exe 18 5 2->8         started        13 04_extracted.exe 2->13         started        15 04_extracted.exe 2->15         started        17 04_extracted.exe 2->17         started        signatures3 process4 dnsIp5 49 ghostbin.com 104.31.74.249, 443, 49731, 49733 CLOUDFLARENETUS United States 8->49 51 192.168.2.1 unknown unknown 8->51 41 C:\Users\user\AppData\...\04_extracted.exe, PE32 8->41 dropped 43 C:\Users\...\04_extracted.exe:Zone.Identifier, ASCII 8->43 dropped 63 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->63 65 Creates an undocumented autostart registry key 8->65 67 Drops PE files to the startup folder 8->67 69 Disables Windows Defender (via service or powershell) 8->69 19 powershell.exe 25 8->19         started        21 powershell.exe 23 8->21         started        23 powershell.exe 8->23         started        25 11 other processes 8->25 53 104.31.75.249, 443, 49734, 49735 CLOUDFLARENETUS United States 15->53 file6 signatures7 process8 process9 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 25->35         started        37 conhost.exe 25->37         started        39 8 other processes 25->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c099242c7525e8af2adb86a20685cdab5c9a7c2b7da862a843e5baf63204f4e/
Threat name:
ByteCode-MSIL.Trojan.Vimditator
Create hunting rule
Status:
Malicious
First seen:
2020-09-02 08:46:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware evasion trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200902-9nmypjv3js/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/5c099242c7525e8af2adb86a20685cdab5c9a7c2b7da862a843e5baf63204f4e

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:Sig_RemoteAdmin_1
Create hunting rule
Author:Florian Roth
Description:Detects strings from well-known APT malware
Reference:Internal Research

File information

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

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/54222/

Comments