MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85f067bf951fc80f629c3a0d85cc8a72e9748d02f58269c957e11929cef70ae5. 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

SHA256 hash: 85f067bf951fc80f629c3a0d85cc8a72e9748d02f58269c957e11929cef70ae5
SHA3-384 hash: cd5823f36ff98ccf543a3c7a8b8813498bd29374e139ae2e6b617c037ef4c44c228632813ce1d6427d3f3e238616ee6e
SHA1 hash: 85bc08cec6f078abcc4ea2cba6481d039157ded4
MD5 hash: 58206656bf069cdb3c601716124bad8e
humanhash: timing-leopard-sierra-friend
File name:DHL NOR3QEGKJ_PDF.exe
Download: download sample
Signature AgentTesla
File size:622'080 bytes
First seen:2020-09-10 14:12:01 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:CTFA6TQPzvvZh4OMMRSHIcnKejVsG6skKEwlqZlbefMpx6J8gUH:lzw3MRS1Keis3+J3yJ8gC
TLSH 20D412116AFEEF63D4FC0BF81AAC34044771B9639642FB5A4D88E0E65A237144684EF7
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284041 Sample: DHL NOR3QEGKJ_PDF.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected AgentTesla 2->33 35 Yara detected AntiVM_3 2->35 37 7 other signatures 2->37 6 newer.exe 3 2->6         started        9 DHL NOR3QEGKJ_PDF.exe 3 2->9         started        12 newer.exe 2 2->12         started        process3 file4 39 Multi AV Scanner detection for dropped file 6->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->41 43 Machine Learning detection for dropped file 6->43 47 2 other signatures 6->47 14 newer.exe 14 2 6->14         started        27 C:\Users\user\...\DHL NOR3QEGKJ_PDF.exe.log, ASCII 9->27 dropped 45 Injects a PE file into a foreign processes 9->45 18 DHL NOR3QEGKJ_PDF.exe 17 5 9->18         started        21 newer.exe 12->21         started        signatures5 process6 dnsIp7 29 api.telegram.org 149.154.167.220, 443, 49725, 49729 TELEGRAMRU United Kingdom 18->29 23 C:\Users\user\AppData\Roaming\...\newer.exe, PE32 18->23 dropped 25 C:\Users\user\...\newer.exe:Zone.Identifier, ASCII 18->25 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->49 51 Moves itself to temp directory 18->51 53 Tries to steal Mail credentials (via file access) 18->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->55 57 Tries to harvest and steal ftp login credentials 21->57 59 Tries to harvest and steal browser information (history, passwords, etc) 21->59 61 Installs a global keyboard hook 21->61 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-09-01 11:36:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
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.

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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

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