MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44f1c379aadd01897d008e197ea88d004ca0013b640d3450dacab6623b16b8e1. 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: 44f1c379aadd01897d008e197ea88d004ca0013b640d3450dacab6623b16b8e1
SHA3-384 hash: 96af18ec6b3dc7ca0aba0b96e7a5a3e55c902143347c27a8e5a1b8800f2c11bd5cb68243856bb3e4c93a8ccb48ee60cc
SHA1 hash: 024838721ec8488ee609e859c150c451e5e8deb7
MD5 hash: dba92db43e4ff19b5b935619c8790d43
humanhash: virginia-pluto-tennessee-pizza
File name:DHL EXPRESS AWB 3245888693- Shipment notification.exe
Download: download sample
Signature AgentTesla
File size:779'776 bytes
First seen:2020-07-31 11:17:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:g+0jw9qFOtknXM+Ewe1QqolzgRik15FKcgtjuZB6hp2OVBxtIdIpUAi:g+4wQFOiXM+Ez1Qq/8KgFkkhp2c
TLSH E3F4C0047B90E54EC26F8F7ACAD44800EDB8F59A4A57E38B348173FF19CE36AA905175
Reporter @abuse_ch
Tags:AgentTesla DHL exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: dor.creationfinancial.co.uk
Sending IP: 142.93.151.106
From: DHLexpress <customercare@dhlepress.com>
Subject: DHL EXPRESS AWB 3245888693- Shipment notification
Attachment: DHL EXPRESS AWB 3245888693- Shipment notification.r00 (contains "DHL EXPRESS AWB 3245888693- Shipment notification.exe")

AgentTesla SMTP exfil server:
mail.totallyanonymous.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
33
Origin country :
US US
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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)
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.AgentTesla
Status:
Malicious
First seen:
2020-07-31 11:19:08 UTC
AV detection:
20 of 31 (64.52%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Threat name:
Suspicious File
Score:
0.45

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 44f1c379aadd01897d008e197ea88d004ca0013b640d3450dacab6623b16b8e1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments