MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1dfc0e8251abe329d3a752236d6944a7f2ff39aace61698355bde25f52fbc277. 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


Intelligence File information Yara 3 Comments

SHA256 hash: 1dfc0e8251abe329d3a752236d6944a7f2ff39aace61698355bde25f52fbc277
SHA3-384 hash: 85b16b4ccb1f7bb297fd6d17646359a4de0fbcdae7ef80927549d2376b346cfa87670a88aff755c4f65d3d3627d89355
SHA1 hash: 7a6f6b4896666b300b3e1112789074a98d7e6688
MD5 hash: e14bac27cf7ea319810bba9a43e5b12c
humanhash: high-twelve-tennessee-floor
File name:Order.exe
Download: download sample
Signature AgentTesla
File size:493'056 bytes
First seen:2020-07-31 11:08:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:hWOWH5/bGeDhhtV78BGs1jivS9g3sPc+Et/beHJ8iFzN:O9GMjoGEGZxS
TLSH 69A401487685B3EFC95BCE3689651C60AB71B836570BD707AC8726FE898D517CF002A3
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
AgentTesla SMTP exfil server:
triathlon-batteries-uk.com:21

Intelligence


File Origin
# of uploads :
1
# of downloads :
34
Origin country :
US US
Mail intelligence
No data
Vendor Threat Intelligence
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to register a low level keyboard hook
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255316 Sample: Order.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 28 g.msn.com 2->28 30 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->30 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Sigma detected: Scheduled temp file as task from temp location 2->36 38 Yara detected AgentTesla 2->38 40 6 other signatures 2->40 8 Order.exe 7 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->20 dropped 22 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->22 dropped 24 C:\Users\user\AppData\Local\...\tmp1C48.tmp, XML 8->24 dropped 26 C:\Users\user\AppData\Local\...\Order.exe.log, ASCII 8->26 dropped 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->44 46 Contains functionality to register a low level keyboard hook 8->46 48 Injects a PE file into a foreign processes 8->48 12 Order.exe 15 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 32 triathlon-batteries-uk.com 185.36.81.58, 21, 49725, 49726 TELE-ASTeleAsiaLimitedHK Lithuania 12->32 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->50 52 Tries to steal Mail credentials (via file access) 12->52 54 Tries to harvest and steal ftp login credentials 12->54 56 2 other signatures 12->56 18 conhost.exe 16->18         started        signatures9 process10
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2020-07-31 11:10:07 UTC
AV detection:
19 of 31 (61.29%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla Payload
AgentTesla
Threat name:
Malicious File
Score:
1.00

Yara Signatures


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.

Comments