MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5ed3dead9212794fe1c3d66ac26cb3aef679980fdf63100e517f876655b0575. 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: b5ed3dead9212794fe1c3d66ac26cb3aef679980fdf63100e517f876655b0575
SHA3-384 hash: 43443885b6a9cbcc6c2335ba4374ed0738ee12ca7c516e5bf835afb5313b6604b68eaaccb466a9f5ac1bb7ca4216e4b5
SHA1 hash: e8449868f37bb95ed664cfb3048ec40cd699208c
MD5 hash: e71ae1235b84f9f5195ce82281600f38
humanhash: shade-seven-papa-delta
File name:PTT FISI.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:719'872 bytes
First seen:2020-09-15 14:02:15 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:+CDqFNXLBiGWkKz5S/JvijiODS/zPGmY+C5caoGpNPh3NU62:4cGWkKzQ5MaLZY+COcpBh9K
Threatray 9'303 similar samples on MalwareBazaar
TLSH CBE4BE41BAFE1FE5CAB597F94E26745003F1692E2519DE884CC271DB26B2F600A70E1F
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/60602/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
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/466699
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
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: 285755 Sample: PTT FISI.exe Startdate: 15/09/2020 Architecture: WINDOWS Score: 100 72 Found malware configuration 2->72 74 Antivirus detection for dropped file 2->74 76 Antivirus / Scanner detection for submitted sample 2->76 78 13 other signatures 2->78 7 PTT FISI.exe 6 2->7         started        11 mikapp.exe 5 2->11         started        13 mikapp.exe 4 2->13         started        process3 file4 40 C:\Users\user\AppData\Roaming\eztCdpL.exe, PE32 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmpCE9B.tmp, XML 7->42 dropped 44 C:\Users\user\AppData\...\PTT FISI.exe.log, ASCII 7->44 dropped 80 Injects a PE file into a foreign processes 7->80 15 PTT FISI.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        82 Antivirus detection for dropped file 11->82 84 Multi AV Scanner detection for dropped file 11->84 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->86 88 2 other signatures 11->88 22 mikapp.exe 11->22         started        24 schtasks.exe 11->24         started        26 mikapp.exe 13->26         started        28 schtasks.exe 13->28         started        signatures5 process6 dnsIp7 46 smtp.nhbisun.net 15->46 48 us2.smtp.mailhostbox.com 208.91.199.225, 49727, 49729, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->48 36 C:\Users\user\AppData\Roaming\...\mikapp.exe, PE32 15->36 dropped 38 C:\Users\user\...\mikapp.exe:Zone.Identifier, ASCII 15->38 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->58 60 Moves itself to temp directory 15->60 62 Tries to steal Mail credentials (via file access) 15->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->64 30 conhost.exe 20->30         started        50 smtp.nhbisun.net 22->50 52 192.168.2.1 unknown unknown 22->52 32 conhost.exe 24->32         started        54 smtp.nhbisun.net 26->54 56 208.91.198.143, 49730, 587 PUBLIC-DOMAIN-REGISTRYUS United States 26->56 66 Tries to harvest and steal ftp login credentials 26->66 68 Tries to harvest and steal browser information (history, passwords, etc) 26->68 70 Installs a global keyboard hook 26->70 34 conhost.exe 28->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5ed3dead9212794fe1c3d66ac26cb3aef679980fdf63100e517f876655b0575/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-15 12:35:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxwt32wzeetzj7q4hvtkyjwlhlxwpgma7x3dcahfc74hmzk3av2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'293 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200915-t1nakfyrdj/
Behaviour
Creates scheduled task(s)
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/b5ed3dead9212794fe1c3d66ac26cb3aef679980fdf63100e517f876655b0575

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/60602/

Comments