MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4dcc5c195854c35dd8936c0ec04ce903b60153042e5e13e03ba080fbf73519e. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4dcc5c195854c35dd8936c0ec04ce903b60153042e5e13e03ba080fbf73519e
SHA3-384 hash: eb1958c0aef60ce9abacd46291c285c559e3598264d59d7e877404e51195f0091c314676429129142680af8db2759d1a
SHA1 hash: c0b95a3eafb986bd532f4723ffb93be60d8cf5a1
MD5 hash: 01cb8bc3d29ffd8b250929e4ff86f332
humanhash: ink-berlin-apart-rugby
File name:MV. HUA SHAN.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:768'512 bytes
First seen:2020-08-31 09:18:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:dpmHO83ubSCLS/4RSwhikQrBrGrB5kYGUN8YJW7+AMev/jp+MD+yhvX0RJlHVB:vmHO83uVm/G7EkQVrGrB5DyYJW7+AMy0
Threatray 9'415 similar samples on MalwareBazaar
TLSH 1DF41290798EF7A6D8FC46F6C40EB85443653C3ECC44E696F6CC439F31B2706621AA66
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ew0.710.maxzizo.ml
Sending IP: 167.71.161.198
From: korea@s-5.org <korea@s-5.org>
Subject: RE: Re: MV HUA SHAN CALLING / FDA
Attachment: MV. HUA SHAN.cab (contains "MV. HUA SHAN.exe")

AgentTesla SMTP exfil server:
smtp.vishnucars.in:587

AgentTesla SMTP exfil email address:
smsalesekt@vishnucars.in

Intelligence

File Origin
# of uploads :
1
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53339/
Detection(s):
SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455098
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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: 279924 Sample: MV. HUA SHAN.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 7 other signatures 2->53 6 MV. HUA SHAN.exe 1 2->6         started        9 DsWhv.exe 2->9         started        11 DsWhv.exe 1 2->11         started        process3 file4 25 C:\Users\user\...\MV. HUA SHAN.exe.log, ASCII 6->25 dropped 14 MV. HUA SHAN.exe 2 5 6->14         started        19 DsWhv.exe 2 9->19         started        21 DsWhv.exe 9->21         started        55 Multi AV Scanner detection for dropped file 11->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->57 59 Machine Learning detection for dropped file 11->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->61 23 DsWhv.exe 2 11->23         started        signatures5 process6 dnsIp7 31 smtp.mailboxdns.com 120.138.8.178, 49704, 49705, 587 CTRLS-AS-INCtrlSDatacentersLtdIN India 14->31 33 smtp.vishnucars.in 14->33 27 C:\Users\user\AppData\Roaming\...\DsWhv.exe, PE32 14->27 dropped 29 C:\Users\user\...\DsWhv.exe:Zone.Identifier, ASCII 14->29 dropped 37 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->37 35 smtp.vishnucars.in 19->35 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->39 41 Tries to steal Mail credentials (via file access) 19->41 43 Tries to harvest and steal ftp login credentials 19->43 45 Tries to harvest and steal browser information (history, passwords, etc) 19->45 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d4dcc5c195854c35dd8936c0ec04ce903b60153042e5e13e03ba080fbf73519e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 03:13:11 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2tomlqmvqvgdlxmjg3aoybgosa5wafjqils6cpqdxiea7p3tkgpa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 9'405 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/200831-xlz6jah17e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d4dcc5c195854c35dd8936c0ec04ce903b60153042e5e13e03ba080fbf73519e

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

cab a061525b3a2bd5c33247101b2ba5cb9b7c6dcb10f2923c4315a88d080b2b4b1c

AgentTesla

Executable exe d4dcc5c195854c35dd8936c0ec04ce903b60153042e5e13e03ba080fbf73519e

(this sample)

  
Dropped by
MD5 8e6e3c1f57f107e9d56819bf99d7b70b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a061525b3a2bd5c33247101b2ba5cb9b7c6dcb10f2923c4315a88d080b2b4b1c
Cape
Cape
https://www.capesandbox.com/analysis/53339/

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