MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 683363107924a8ad11a40a756236eb3462252e6325aed4f550fb29a364619be1. 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: 683363107924a8ad11a40a756236eb3462252e6325aed4f550fb29a364619be1
SHA3-384 hash: 0383c469ffc057ceb69b33d28b019dbbd50f8c81707d5b57d41d7c03201c579cacee9f39c1800ad84e9ea2192c870189
SHA1 hash: c953573a155ee13aa186147e5d771e0a6b9f41cc
MD5 hash: 3d6105077c8584020b674d341eea0d8b
humanhash: kentucky-failed-nuts-hot
File name:SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:571'904 bytes
First seen:2020-08-07 13:26:39 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:DCUc+4jE43LPrzJlhah+zhUvny7/zgrpiA4Xt/rcAyJGH:Dnc+44QrzJTa8duy4QA2tf
Threatray 11'037 similar samples on MalwareBazaar
TLSH EBC4DF5836ACB79EC0EA4E36897C3C009A31B8679A27D307B587215D5E4DBD98E407F3
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/41652/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/415314
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 259916 Sample: SOA.exe Startdate: 07/08/2020 Architecture: WINDOWS Score: 100 67 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->67 69 Found malware configuration 2->69 71 Sigma detected: Scheduled temp file as task from temp location 2->71 73 6 other signatures 2->73 8 SOA.exe 7 2->8         started        12 gKWBf.exe 5 2->12         started        14 gKWBf.exe 2->14         started        process3 file4 51 C:\Users\user\AppData\Roaming\RSLTRzxJ.exe, PE32 8->51 dropped 53 C:\Users\...\RSLTRzxJ.exe:Zone.Identifier, ASCII 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmp5594.tmp, XML 8->55 dropped 57 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 8->57 dropped 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->87 89 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->89 91 Injects a PE file into a foreign processes 8->91 93 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->93 16 SOA.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        95 Machine Learning detection for dropped file 12->95 23 gKWBf.exe 2 12->23         started        25 schtasks.exe 1 12->25         started        27 schtasks.exe 14->27         started        29 gKWBf.exe 14->29         started        signatures5 process6 dnsIp7 59 yitaipackaging.com 35.213.167.237, 49748, 49749, 587 GOOGLEUS United States 16->59 61 mail.yitaipackaging.com 16->61 63 192.168.2.1 unknown unknown 16->63 45 C:\Users\user\AppData\Roaming\...\gKWBf.exe, PE32 16->45 dropped 47 C:\Windows\System32\drivers\etc\hosts, ASCII 16->47 dropped 49 C:\Users\user\...\gKWBf.exe:Zone.Identifier, ASCII 16->49 dropped 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->75 77 Tries to steal Mail credentials (via file access) 16->77 79 Modifies the hosts file 16->79 31 reg.exe 16->31         started        33 conhost.exe 21->33         started        65 mail.yitaipackaging.com 23->65 81 Tries to harvest and steal ftp login credentials 23->81 83 Tries to harvest and steal browser information (history, passwords, etc) 23->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->85 35 reg.exe 23->35         started        37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        file8 signatures9 process10 process11 41 conhost.exe 31->41         started        43 conhost.exe 35->43         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/683363107924a8ad11a40a756236eb3462252e6325aed4f550fb29a364619be1/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-07 10:21:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nazwgedzesuk2enebj2wenxlgrrckltdewxnj5kq7mu2gzdbtpqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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dc2435622376b023e99e165f3615fcfdb35b8ed157af0ac2fcd3cdf8242592d8
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fc93e1dd000a589799d43e1f3ad70aa716a67f1be15512a6eaf6f0490828114a
AgentTesla
+ 11'027 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/200807-d2txxwx62a/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Modifies registry key
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops file in Drivers directory
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/683363107924a8ad11a40a756236eb3462252e6325aed4f550fb29a364619be1

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/41652/

Comments