MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8bf7f6c4e21b6ceed18ca103b17005d63fc5b381f944543c347591337c6bab7. 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: f8bf7f6c4e21b6ceed18ca103b17005d63fc5b381f944543c347591337c6bab7
SHA3-384 hash: dbfbb5f205a4992990a0ac65b74803e16ddef327eebb5c00452ac2ea8a908cb8758767142b6c50b2e02dce961c8f5412
SHA1 hash: 137ecb867b68731fb60b780db8bf9da02ae9d8dc
MD5 hash: 35afb5994d989b1147e4944c665fa9b2
humanhash: fifteen-hot-kilo-delta
File name:Payment Advice 944095_160720200.exe
Download: download sample
Signature AgentTesla
File size:501'248 bytes
First seen:2020-07-27 11:41:20 UTC
Last seen:2020-07-27 17:04:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:5w2pYtSuD4qxj6SSgPpeniLppnCKyTiNBSBYnSwOZPHvFeu:C4qvS3sp8mE9nZPv
Threatray 10'695 similar samples on MalwareBazaar
TLSH A4B4F1507255F24EC82B8E754C949C60A7B2F1B2570BD74B7C8722EC590E7ABCF126A3
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Launching a process
Creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Status:
Malicious
First seen:
2020-07-27 10:05:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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.

Malspam

AgentTesla

Executable exe f8bf7f6c4e21b6ceed18ca103b17005d63fc5b381f944543c347591337c6bab7

(this sample)

Comments