MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f80f311d2f6a2ccaa0d4aa42ce625b6317a1785a9bb52bde2fa68f68fc7f68f. 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



AsyncRAT


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 9f80f311d2f6a2ccaa0d4aa42ce625b6317a1785a9bb52bde2fa68f68fc7f68f
SHA3-384 hash: 1a11dfd132fee5fef3e063c2004006bd2b71d40c5aeb2ea35c3a3f3fd52bcdd7ed21ac89c035e8e7e0704cc2af3f9dd2
SHA1 hash: 7d9c066d609cd2b7909935640d93d9b137eab360
MD5 hash: dabf121919dee937792ada3b12b79070
humanhash: quiet-bacon-ceiling-quiet
File name:order200804.exe
Download: download sample
Signature AsyncRAT
File size:758'272 bytes
First seen:2020-08-04 07:40:52 UTC
Last seen:2020-08-04 09:09:15 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 6144:BHAgbCa8sGQTgm5gv7IdP65ru2n9EwzgNPkqbZYTCjYfelIxj/QYll5:BHX8kTg4gz99EwzVutlIu
Threatray 10'927 similar samples on MalwareBazaar
TLSH A5F419393A82A405D53D0D3288B6AAD1A3B2B5873F11CB0F79C6275C5E437DB3A4725E
Reporter abuse_ch
Tags:AsyncRAT exe nVpn RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: host75.registrar-servers.com
Sending IP: 198.187.29.36
From: Caribo Outdoors <info@cariboooutdoor.xyz>
Reply-To: abcarlioffice@gmail.com
Subject: Caribor Orders for August
Attachment: order200804.img (contains "order200804.exe")

AsyncRAT C2:
fries1.ddns.net:1616 (194.5.97.33)

Pointing to nVpn:

% Information related to '194.5.97.0 - 194.5.97.255'

% Abuse contact for '194.5.97.0 - 194.5.97.255' is 'abuse@kgb-vpn.org'

inetnum: 194.5.97.0 - 194.5.97.255
netname: NET-NINAZU
remarks: ------------------------------------------
remarks: * This network is used for a VPN service.
remarks: * No logs are stored in any shape or form.
remarks: ------------------------------------------
country: EU
admin-c: NVS100-RIPE
tech-c: NVS100-RIPE
org: ORG-NVS2-RIPE
mnt-by: NINAZU-MNT
status: SUB-ALLOCATED PA
created: 2018-07-23T09:31:45Z
last-modified: 2020-08-02T13:13:48Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped 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 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)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256657 Sample: order200804.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Yara detected AgentTesla 2->40 42 Yara detected AsyncRAT 2->42 44 7 other signatures 2->44 6 order200804.exe 7 2->6         started        10 update.exe 4 2->10         started        13 update.exe 2->13         started        15 2 other processes 2->15 process3 dnsIp4 26 C:\Users\user\AppData\...\bookings.exe, PE32 6->26 dropped 28 C:\Users\user\AppData\...\InstallUtil.exe, PE32 6->28 dropped 54 Writes to foreign memory regions 6->54 56 Allocates memory in foreign processes 6->56 58 Injects a PE file into a foreign processes 6->58 17 bookings.exe 2 6 6->17         started        22 InstallUtil.exe 2 6->22         started        36 smtp.gmail.com 10->36 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->60 62 Tries to steal Mail credentials (via file access) 10->62 64 Tries to harvest and steal ftp login credentials 10->64 72 3 other signatures 10->72 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->66 68 Machine Learning detection for dropped file 13->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->70 file5 signatures6 process7 dnsIp8 30 smtp.gmail.com 74.125.71.109, 49736, 49749, 587 GOOGLEUS United States 17->30 24 C:\Users\user\AppData\Roaming\...\update.exe, PE32 17->24 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->46 48 Tries to steal Mail credentials (via file access) 17->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->50 52 Installs a global keyboard hook 17->52 32 fries1.ddns.net 194.5.97.33, 1616, 49743, 49747 DANILENKODE Netherlands 22->32 34 127.0.0.1 unknown unknown 22->34 file9 signatures10
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2020-08-04 07:42:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Behaviour
AgentTesla Payload
Agenttesla family
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:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AsyncRAT

Executable exe 9f80f311d2f6a2ccaa0d4aa42ce625b6317a1785a9bb52bde2fa68f68fc7f68f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments