MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c440a72dafbe500ae677f83d99ab1b342ef6393b2ee2ae5f55cfd95b1218622d. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: c440a72dafbe500ae677f83d99ab1b342ef6393b2ee2ae5f55cfd95b1218622d
SHA3-384 hash: 29f7516854c982adc0c94b44b5c77da8c65b21552836a8bfa3ed59f8cd2250a9793085c1e6fc9089c47da6faee2346bc
SHA1 hash: e42a152698fe21c5388df42c80d1aa914ce6e329
MD5 hash: 475db3a6d4e97a15e19d68651b996123
humanhash: finch-floor-uniform-high
File name:dhl_23072020_AWB23072020_INV009_99_27787.exe
Download: download sample
Signature AgentTesla
File size:745'472 bytes
First seen:2020-07-29 07:40:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ef47e85c79ee608837cc415c05c43b (15 x AgentTesla, 5 x NanoCore, 5 x Loki)
ssdeep 12288:rRXtpnVH9Az44BnvOCDhzcl0UdKndi2bnXqVaTp9UwkU3zjMeb6Kl3YQJ+U:rfd8z4byilBdlGXEaTpvhzjMy8U
Threatray 12'366 similar samples on MalwareBazaar
TLSH EAF49E66B2E14833D1672E789C1B97649B3ABE102B2859C72FFC1C4C5F396C13876297
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.macartajans.com
Sending IP: 89.252.130.69
From: DHL | Express Shipping <DHLEXPRESS.BILLINGID@dhl.com>
Subject: Urgent: Shipping Documents (FINAL WARNING)
Attachment: dhl_23072020_AWB23072020_INV009_99_27787.img (contains "dhl_23072020_AWB23072020_INV009_99_27787.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-29 01:22:00 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla
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 c440a72dafbe500ae677f83d99ab1b342ef6393b2ee2ae5f55cfd95b1218622d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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