MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e1ea62f74eb06a3dd77f8a2ba47f435c0d97e6ce6e99a50049b65f10b70dab1. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6e1ea62f74eb06a3dd77f8a2ba47f435c0d97e6ce6e99a50049b65f10b70dab1
SHA3-384 hash: b1794dbb8adaed2edca502eec6bb0b94c5dbc8ccd37a058da9585568ce0b5a1acbc7007e778971cde52ce78433c2aa74
SHA1 hash: 007c78a31bbfa22789ce6583a08d3dc85a30a13f
MD5 hash: 0bf0e9d3d1d37ac01981a51215ce2bbd
humanhash: seventeen-social-solar-bulldog
File name:wfXlumJEIeTM9z8.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:583'168 bytes
First seen:2020-08-19 14:51:24 UTC
Last seen:2020-08-19 15:46:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:SEewxVEJlG3o1adwrst77L0qGLQGtiI7MQ5TyV:JnxVDo1mwrst/Y+L
Threatray 60 similar samples on MalwareBazaar
TLSH 56C4C09A711032AEC427FCF685141CA19962AC77530BE253807732BD997E5A3CF252BF
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: pro10.emailserver.vn
Sending IP: 103.15.48.230
From: Cara Zhang <sales@skvlogistics.com.vn>
Subject: Re: Quotation request
Attachment: RFQ.zip (contains "wfXlumJEIeTM9z8.exe")

AgentTesla SMTP exfil server:
smtp.loudprofesslonal.com:25

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/48670/
Detection(s):
SecuriteInfo.com.Artemis0BF0E9D3D1D3.945.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/438624
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271794 Sample: wfXlumJEIeTM9z8.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Yara detected AgentTesla 2->51 53 Yara detected AntiVM_3 2->53 55 2 other signatures 2->55 6 wfXlumJEIeTM9z8.exe 3 2->6         started        10 MyApps.exe 3 2->10         started        12 MyApps.exe 2 2->12         started        process3 file4 23 C:\Users\user\...\wfXlumJEIeTM9z8.exe.log, ASCII 6->23 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->59 61 Injects a PE file into a foreign processes 6->61 14 wfXlumJEIeTM9z8.exe 2 7 6->14         started        63 Machine Learning detection for dropped file 10->63 19 MyApps.exe 4 10->19         started        21 MyApps.exe 4 12->21         started        signatures5 process6 dnsIp7 29 smtp.loudprofesslonal.com 14->29 31 us2.smtp.mailhostbox.com 208.91.198.143, 25, 49731, 49742 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 25 C:\Users\user\AppData\Roaming\...\MyApps.exe, PE32 14->25 dropped 27 C:\Users\user\...\MyApps.exe:Zone.Identifier, ASCII 14->27 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Moves itself to temp directory 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 Installs a global keyboard hook 14->41 33 smtp.loudprofesslonal.com 19->33 43 Tries to harvest and steal ftp login credentials 19->43 45 Tries to harvest and steal browser information (history, passwords, etc) 19->45 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->47 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6e1ea62f74eb06a3dd77f8a2ba47f435c0d97e6ce6e99a50049b65f10b70dab1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 06:57:46 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nypkml3u5mdkhxlx7crlur7ugxans7tm43uzuuaetns7cc3q3kyq._file
Verdict:
unknown
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AgentTesla
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a277468b8a14335e49ae80b115b7401d527f801ee9ce61302c12640670fa7fc9
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a349d5cf195bf2126c239760539077607db536a57529957577b93ef58a44daf6
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b54f1e06ebd6f64d1eb8bf51ae256b530b19768b82d75d70b5782e9398a30705
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cfc34dcf3fe0c6dc66dfb478a03050e6494380577bb3f74bf0e3a943b0e819f4
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de2a5ebcd53cdfdff69dfbcefc41bacfd210a286b8b4db221fd1f8b01ecfdca5
AgentTesla
+ 50 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200819-tcn3prq2dj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6e1ea62f74eb06a3dd77f8a2ba47f435c0d97e6ce6e99a50049b65f10b70dab1

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.

Malspam

AgentTesla

zip 423c77be1006265e07e97a06d8ceaa2a26b35368a406c0e49362b745561896b2

AgentTesla

Executable exe 6e1ea62f74eb06a3dd77f8a2ba47f435c0d97e6ce6e99a50049b65f10b70dab1

(this sample)

  
Dropped by
MD5 e017eb0e202c5c45a4da5261a75b7abf
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48670/
  
Dropped by
SHA256 423c77be1006265e07e97a06d8ceaa2a26b35368a406c0e49362b745561896b2

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