MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a56a122e4d9fc51551a7c7ea70458c0938fbd4620268ed1d14b393e1e68325de. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a56a122e4d9fc51551a7c7ea70458c0938fbd4620268ed1d14b393e1e68325de
SHA3-384 hash: 1b701e37fc03d06d800b60d7fc292c1ab4545ded94b9c8d331719a033fbabcc9b02791a46efa6eaed01e163a9e3460f8
SHA1 hash: 41f02e15acd4bda4c278b29646fe8cb37911a71a
MD5 hash: 6b7c739724a7e18dfcf1af10f1d8a8b1
humanhash: washington-johnny-violet-football
File name:SecuriteInfo.com.Variant.MSILPerseus.227807.2953.29046
Download: download sample
Signature AgentTesla
Create hunting rule
File size:734'720 bytes
First seen:2020-08-12 12:05:21 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:LEcxM8Jzvhd+c+d2ffbPQTH60tyesfR6vQljNv4AH:LEcxtJzZgc+d2ff8T608eiR64Pv4AH
Threatray 11'328 similar samples on MalwareBazaar
TLSH 65F4BF657951CC53D29E4232CDEBCA1447BCAC62B983DB2AFA9E33AC11117A3CC055DE
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/44097/
Detection(s):
SecuriteInfo.com.Variant.MSILPerseus.227807.2953.29046.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
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/422397
Signature
.NET source code contains potential unpacker
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
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: 263671 Sample: SecuriteInfo.com.Variant.MS... Startdate: 13/08/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Yara detected AgentTesla 2->33 35 Yara detected AntiVM_3 2->35 37 3 other signatures 2->37 6 NewApp.exe 3 2->6         started        9 SecuriteInfo.com.Variant.MSILPerseus.227807.2953.exe 3 2->9         started        12 NewApp.exe 2 2->12         started        process3 file4 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->39 41 Machine Learning detection for dropped file 6->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->43 14 NewApp.exe 4 6->14         started        27 SecuriteInfo.com.V...227807.2953.exe.log, ASCII 9->27 dropped 45 Injects a PE file into a foreign processes 9->45 18 SecuriteInfo.com.Variant.MSILPerseus.227807.2953.exe 2 7 9->18         started        21 NewApp.exe 12->21         started        signatures5 process6 dnsIp7 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->47 49 Tries to steal Mail credentials (via file access) 14->49 51 Tries to harvest and steal ftp login credentials 14->51 53 Tries to harvest and steal browser information (history, passwords, etc) 14->53 29 mail.soonlogistics.com 103.17.211.69, 49740, 49744, 587 IPSERVERONE-AS-APIPServerOneSolutionsSdnBhdMY Malaysia 18->29 23 C:\Users\user\AppData\Roaming\...23ewApp.exe, PE32 18->23 dropped 25 C:\Users\user\...25ewApp.exe:Zone.Identifier, ASCII 18->25 dropped 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->55 57 Installs a global keyboard hook 18->57 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a56a122e4d9fc51551a7c7ea70458c0938fbd4620268ed1d14b393e1e68325de/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-10 02:27:00 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uvvbelsnt7crkunhy7vharmmbe4pxvdcajuo2hiuwoj6dzudexpa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8660710bcb24ab106401d4d6a610ecfc8f0d7a0335d69b27a698a5471253cb66
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c08b6cb15ec45d44bde739241acb6403f92bffc565a006c11cbfb4f9c10806e1
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db8c0d21cf315034515bd28e49435e6cde73954c992c3a5528417019e9b25526
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f2a6395f3ae63cfeb7a50854bd0de43748013309a7871f3c114711fa0867c8ce
AgentTesla
+ 11'318 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200812-331s998f9n/
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
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/a56a122e4d9fc51551a7c7ea70458c0938fbd4620268ed1d14b393e1e68325de

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.

Web download

AgentTesla

Executable exe a56a122e4d9fc51551a7c7ea70458c0938fbd4620268ed1d14b393e1e68325de

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/44097/
  
URLhaus
https://urlhaus.abuse.ch/url/430050/
  
Delivery method
Distributed via web download

Comments