MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 723ec630211ca5a3268bd62e03caeec38b40e5d33c0e80908fec14332f006988. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 723ec630211ca5a3268bd62e03caeec38b40e5d33c0e80908fec14332f006988
SHA3-384 hash: b2c36a2b9faa0b246eb603768328c51717e8d6a81e55b941796e180b3e41ab54ca494c11ee9528c8fef205d0735c89fe
SHA1 hash: 765d0275c6d48f22fb5ef22e3c709e351caec106
MD5 hash: ed946fad0d42c8268bc9d0569390a518
humanhash: maine-pluto-three-mike
File name:ed946fad0d42c8268bc9d0569390a518.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'876'992 bytes
First seen:2020-10-28 10:14:02 UTC
Last seen:2020-10-28 12:07:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:KO2iJ3kBsqJ5fcGQ8dVM+hdSPYfu7wQS23C/0P84AB+v10uP/CDJGEJxiaZ3ymZ1:
TLSH 5995283D6E9426E36173E676A0F60187F9E865C673781C8B42C33B58294AF063D9B34D
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.hkoffice365.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/80458/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.44235295.15968.17141.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514920
Signature
.NET source code contains very large strings
Injects a PE file into a foreign processes
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
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 306567 Sample: MUtoC49UTR.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 26 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->26 28 Multi AV Scanner detection for dropped file 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 7 other signatures 2->32 6 MUtoC49UTR.exe 1 4 2->6         started        10 vlc.exe 1 2->10         started        12 vlc.exe 2->12         started        process3 file4 24 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 6->24 dropped 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->34 36 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->36 38 Injects a PE file into a foreign processes 6->38 14 MUtoC49UTR.exe 2 6->14         started        16 vlc.exe 2 10->16         started        18 vlc.exe 10->18         started        20 vlc.exe 2 12->20         started        22 vlc.exe 12->22         started        signatures5 process6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/723ec630211ca5a3268bd62e03caeec38b40e5d33c0e80908fec14332f006988/
Threat name:
ByteCode-MSIL.Infostealer.Racealer
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 03:33:47 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oi7mmmbbdss2gjul2yxahsxoyofubzothqhibeep5qkdglyangea._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201028-cl1cgsrhj2/
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
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
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.

Web download

AgentTesla

Executable exe 723ec630211ca5a3268bd62e03caeec38b40e5d33c0e80908fec14332f006988

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/80458/
  
URLhaus
https://urlhaus.abuse.ch/url/752141/
  
Delivery method
Distributed via web download

Comments