MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 14c779eb9e7f6a3a77a4e0df7a8b64d7a74f7db8a7dede57dc5ce8936b83f5df. 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: 14c779eb9e7f6a3a77a4e0df7a8b64d7a74f7db8a7dede57dc5ce8936b83f5df
SHA3-384 hash: e7a4acaafa883960212e37e2a62b6098328ca5748d04fd696191a3b5695feebf37a8a0c0b5b6354154aeae770987427b
SHA1 hash: ff373204d0129fd0991e733a6bbf5e5576f1141a
MD5 hash: 40ba7010a0852fefefe78e0f414f303c
humanhash: virginia-pennsylvania-texas-echo
File name:Universal310820.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:519'680 bytes
First seen:2020-08-31 10:26:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Qg+LR5+o7tUqwGTtOG2v8keA7jELbUfhOyDiDC60hp7o6T+oNZqF4:B2Pwod+eA7m
Threatray 10'636 similar samples on MalwareBazaar
TLSH F5B41269552C8BBAFBFA1BFB100D3D68C32099930C1EE385E8E171D756E5384C739A52
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: abaad.com
Sending IP: 37.49.230.200
From: Syamkumar Korat <syam.kumar@abaad.com>
Subject: Bank Transfer Advice
Attachment: Universal310820.Z (contains "Universal310820.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53389/
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
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455221
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Moves itself to temp directory
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)
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: 279985 Sample: Universal310820.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected AgentTesla 2->53 55 3 other signatures 2->55 6 Universal310820.exe 1 2->6         started        10 YYtJku.exe 2->10         started        12 YYtJku.exe 1 2->12         started        process3 file4 27 C:\Users\user\...\Universal310820.exe.log, ASCII 6->27 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 14 Universal310820.exe 2 5 6->14         started        19 YYtJku.exe 2 10->19         started        61 Multi AV Scanner detection for dropped file 12->61 21 YYtJku.exe 2 12->21         started        23 YYtJku.exe 12->23         started        25 YYtJku.exe 12->25         started        signatures5 process6 dnsIp7 33 mail.transfastc.com 108.167.160.43, 49737, 49750, 587 UNIFIEDLAYER-AS-1US United States 14->33 35 192.168.2.1 unknown unknown 14->35 29 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->29 dropped 31 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 14->31 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Moves itself to temp directory 14->39 41 Tries to steal Mail credentials (via file access) 14->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 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/14c779eb9e7f6a3a77a4e0df7a8b64d7a74f7db8a7dede57dc5ce8936b83f5df/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 03:07:11 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ctdxt246p5vdu55e4dpxvc3e26tu67nyu7pn4v64ltujg24d6xpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8d586c82d5848fbb3bc04edb076ca3bef09ed04006357f15fca5a131a73f8286
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91e478af0d259a398a1f018da401190e09bb38ee5c15647f4c97a35c43d9800c
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e8f9ccab47a8ec10861607e8de21c6617cd36e4eefbffe90144f357f3566657d
AgentTesla
+ 10'626 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-pzgv8tqbws/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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/14c779eb9e7f6a3a77a4e0df7a8b64d7a74f7db8a7dede57dc5ce8936b83f5df

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

z 831ffdfc6a49e2b4439b2aa6a081d30f796e2493da2971b9225084b9a353f2d7

AgentTesla

Executable exe 14c779eb9e7f6a3a77a4e0df7a8b64d7a74f7db8a7dede57dc5ce8936b83f5df

(this sample)

  
Dropped by
MD5 b4de95a125047363ea2ff337281ebfa0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53389/
  
Dropped by
SHA256 831ffdfc6a49e2b4439b2aa6a081d30f796e2493da2971b9225084b9a353f2d7

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