MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 897a1305d267937baedeaf75e35e386efbb9c5d7d66819aaecfd885e84196142. 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: 897a1305d267937baedeaf75e35e386efbb9c5d7d66819aaecfd885e84196142
SHA3-384 hash: 967c7f3075f71ca3fa356768c4fb84b7a58421a4de58d9b78e96bd6cf2453d0e69ee2a7b57bda8b0482642f2729d0c3b
SHA1 hash: 5cf9e0b3c79de19427ee5d57b23f9a6bb0c18180
MD5 hash: a9a63a57eeb70b617d5b771ea0e8fb86
humanhash: red-failed-high-lima
File name:SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212
Download: download sample
Signature AgentTesla
File size:438'784 bytes
First seen:2020-08-10 18:29:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Qw7ucu1JlqPaz3Bb8MRoQ2kKslybKx5LZ849x32p05:Qsov8i7/BzV849x32w
Threatray 11'068 similar samples on MalwareBazaar
TLSH A3941271DDCBC024EC8A4874CEB29150AFB0F5824515A76E2A5CB8D9C6373DE936BD38
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Creates an undocumented autostart registry key
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
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-10 18:31:06 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Modifies WinLogon for persistence
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.

Web download

AgentTesla

Executable exe 897a1305d267937baedeaf75e35e386efbb9c5d7d66819aaecfd885e84196142

(this sample)

  
Delivery method
Distributed via web download

Comments