MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f48560ece84a9ce7712de673e824da2255c38c4aaac14f022fff31471d3fa2aa. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f48560ece84a9ce7712de673e824da2255c38c4aaac14f022fff31471d3fa2aa
SHA3-384 hash: 337daa491bb4d6b487117c59780684510e051f835744ae0aaf4ffee93f8191a2598aef8e6e2a2ba95200048ae237231c
SHA1 hash: 7f51dedc95e06572ede265641d7f5efbd617f813
MD5 hash: 3fe55faca637a95f000fd02b50fcf428
humanhash: ceiling-yellow-lamp-mirror
File name:charlesserver.ps1
Download: download sample
Signature AgentTesla
Create hunting rule
File size:764'757 bytes
First seen:2022-06-13 02:35:18 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 6144:Vkw3OV8+/HtrIN1ZKs2In11BcxQ9KH+XQIS49OSk/Rz8ealZX/9mxJh6GX/N4e+N:DO+N1IWegWR/GBMvy
TLSH T169F4651D0B762F60E08A3940BC22CE4511557B89F0C828B58B533767DAF2EE6D97D36E
Reporter srujankumar_k
Tags:AgentTesla ps1


Avatar
srujankumar_k
Delivering malicious PS payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
354
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Spy.AgentTesla.D.15092.27388.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011696
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Creates processes via WMI
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
PowerShell case anomaly 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)
Snort IDS alert for network traffic
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 / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644192 Sample: charlesserver.ps1 Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 4 other signatures 2->55 8 powershell.exe 8 2->8         started        10 powershell.exe 2->10         started        12 powershell.exe 28 2->12         started        16 wscript.exe 2->16         started        process3 file4 18 cmd.exe 8->18         started        20 conhost.exe 8->20         started        22 cmd.exe 10->22         started        24 conhost.exe 10->24         started        43 C:\ProgramData\...behaviorgraphRYOJAPQWXHAESUEWDUYNV.ps1, ASCII 12->43 dropped 45 C:\ProgramData\...behaviorgraphRYOJAPQWXHAESUEWDUYNV.bat, ASCII 12->45 dropped 71 Bypasses PowerShell execution policy 12->71 26 powershell.exe 34 12->26         started        28 conhost.exe 12->28         started        signatures5 process6 process7 30 powershell.exe 18->30         started        33 powershell.exe 22->33         started        35 wscript.exe 26->35         started        signatures8 73 Writes to foreign memory regions 30->73 75 Injects a PE file into a foreign processes 30->75 37 jsc.exe 30->37         started        41 jsc.exe 33->41         started        77 Creates processes via WMI 35->77 process9 dnsIp10 47 78.138.105.142, 21, 49796, 49797 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 37->47 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 37->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 37->59 61 Tries to steal Mail credentials (via file / registry access) 37->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 37->63 65 Tries to harvest and steal ftp login credentials 41->65 67 Tries to harvest and steal browser information (history, passwords, etc) 41->67 69 Installs a global keyboard hook 41->69 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f48560ece84a9ce7712de673e824da2255c38c4aaac14f022fff31471d3fa2aa/
Threat name:
Script-PowerShell.Trojan.Powdow
Create hunting rule
Status:
Malicious
First seen:
2022-06-13 02:36:11 UTC
File Type:
Text (PowerShell)
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6scwb3hijkooo4jn4zz6qjg2ejk4hdckvlau6arp74yuohj7ukva._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220613-c3kmtshdf4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla
Process spawned unexpected child process
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f48560ece84a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f48560ece84a9ce7712de673e824da2255c38c4aaac14f022fff31471d3fa2aa

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:SUSP_Scheduled_Tasks_Create_From_Susp_Dir
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PowerShell Script that creates a Scheduled Task that runs from an suspicious directory

File information

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

Malspam

AgentTesla

PowerShell (PS) ps1 f48560ece84a9ce7712de673e824da2255c38c4aaac14f022fff31471d3fa2aa

(this sample)

  
Link
https://www.virustotal.com/gui/url/3bcc954eb88b9022058e09dfa1fc22d19be09245955f42e853876434746b7faf
  
Delivery method
Distributed via e-mail attachment

Comments


Avatar
Kyle Krejci commented on 2022-06-14 11:11:18 UTC

What is the source of this file?