MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8e79509055e8e73a467ac3fc37c303ce1968417c0d4cc76df99af32cf692f02. 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: f8e79509055e8e73a467ac3fc37c303ce1968417c0d4cc76df99af32cf692f02
SHA3-384 hash: 6408828e975c8328aff76e9452bd5402e7c2844270cc981b687937881afc2672507f1131cc71607a42d6a8c0968a79a4
SHA1 hash: d3c0d1894a229f1c16e99d0fa4d3e9b6f2dcf7ff
MD5 hash: 7074609669cea6bdeb02c813c132a503
humanhash: charlie-twenty-florida-friend
File name:PO44087537318.exe
Download: download sample
Signature AgentTesla
File size:743'936 bytes
First seen:2020-07-31 12:09:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 6144:5LHAgbCa8sGQTiR1lj4+Z1DRncxuiWMKt2Pkek0RHiQu6tHM3n:JHX8kTiLlj1NkdKMceZVts3
TLSH B1F4382D3A92E910E93D0E3180B959D12771BD477B02C70F7AC8275C6F2269B7F071AA
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: msdos.homelinux.org
Sending IP: 185.236.231.55
From: Dorathy Lee / MD <jwcitffgjfvgllrxmviydn@bsccl.com>
Subject: Signed Contract-PO36014773379235 - 07/31/2020 04:35:47 am
Attachment: PO44087537318.pdf.img (contains "PO44087537318.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
33
Origin country :
FR FR
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
Allocates memory in foreign processes
Found malware configuration
Injects a PE file into a foreign processes
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 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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Status:
Malicious
First seen:
2020-07-31 12:11:05 UTC
AV detection:
14 of 30 (46.67%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Behaviour
Agenttesla family
AgentTesla Payload
Threat name:
Kryptik
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.

Malspam

AgentTesla

Executable exe f8e79509055e8e73a467ac3fc37c303ce1968417c0d4cc76df99af32cf692f02

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments