MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9af42638628323098b6873eee65103c97fa1ff971d6640323ab4a5290edc71c2. 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



HawkEye


Vendor detections: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: 9af42638628323098b6873eee65103c97fa1ff971d6640323ab4a5290edc71c2
SHA3-384 hash: 1ff0edc3000c2d313e3f658f1a1c89b7336031b4ef2187da75646f41403f96a4e9c1daabf8ea2e11998ddb62fa7f3a80
SHA1 hash: 1ee7c475c40a82dfa230e26669aed12271778f49
MD5 hash: 73fa9bfb100fa4d8304fef98446d2b62
humanhash: robin-alaska-salami-india
File name:PO9048899AUG13.exe
Download: download sample
Signature HawkEye
File size:969'728 bytes
First seen:2020-08-14 08:03:55 UTC
Last seen:2020-08-14 09:02:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 350b996bff3663157f1cefb9e0268400 (6 x AgentTesla, 1 x HawkEye, 1 x Formbook)
ssdeep 24576:37pAtqydLmhFSm0rPryNMJkmTd+b1BuZ6drYa2rU:32jdKCJtTd+xdr92g
Threatray 346 similar samples on MalwareBazaar
TLSH E0258C66A2ACCB32C0F61638CC1FB6F4992DFE10E9246D476EE43C497E39EC13525192
Reporter abuse_ch
Tags:exe HawkEye


Avatar
abuse_ch
Malspam distributing HawkEye:

HELO: plesk02.nttcom.ms
Sending IP: 137.116.230.189
From: HEIMIR JÓNSSON <samplesales@joinwin.com.hk>
Reply-To: dh_derhawk@126.com
Subject: Re: Re: FACTURA 120004617-SPS-1726076
Attachment: PO9048899AUG13.zip (contains "PO9048899AUG13.exe")

HawkEye SMTP exfil email address:
webmail.tos-thailand.com

HawkEye SMTP exfil email address:
sudarat.k@tos-thailand.com

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Sending a UDP request
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Setting a keyboard event handler
Launching a process
Reading critical registry keys
Deleting a recently created file
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
Stealing user critical data
Deleting of the original file
Enabling a "Do not show hidden files" option
Unauthorized injection to a system process
Result
Threat name:
HawkEye MailPassView
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to detect sleep reduction / modifications
Contains functionality to log keystrokes (.Net Source)
Detected HawkEye Rat
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
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Writes to foreign memory regions
Yara detected HawkEye Keylogger
Yara detected Keylogger Generic
Yara detected MailPassView
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 266939 Sample: PO9048899AUG13.exe Startdate: 15/08/2020 Architecture: WINDOWS Score: 100 73 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 14 other signatures 2->79 10 PO9048899AUG13.exe 2->10         started        13 WindowsUpdate.exe 2->13         started        15 WindowsUpdate.exe 2->15         started        17 2 other processes 2->17 process3 signatures4 93 Detected unpacking (changes PE section rights) 10->93 95 Detected unpacking (overwrites its own PE header) 10->95 97 Maps a DLL or memory area into another process 10->97 99 Contains functionality to detect sleep reduction / modifications 10->99 19 PO9048899AUG13.exe 9 10->19         started        21 WindowsUpdate.exe 13->21         started        101 Detected unpacking (creates a PE file in dynamic memory) 15->101 103 Machine Learning detection for dropped file 15->103 24 WindowsUpdate.exe 17->24         started        process5 dnsIp6 27 Windows Update.exe 19->27         started        59 C:\Users\user\AppData\...\Windows Update.exe, PE32 21->59 dropped 61 C:\...\Windows Update.exe:Zone.Identifier, ASCII 21->61 dropped 30 Windows Update.exe 21->30         started        71 127.0.0.1 unknown unknown 24->71 file7 process8 signatures9 105 Maps a DLL or memory area into another process 27->105 32 Windows Update.exe 16 8 27->32         started        37 Windows Update.exe 30->37         started        process10 dnsIp11 63 webmail.tos-thailand.com 203.195.111.5, 49744, 49762, 587 COMNET-THKSCCommercialInternetCoLtdTH Thailand 32->63 65 10.76.9.0.in-addr.arpa 32->65 69 3 other IPs or domains 32->69 55 C:\Users\user\AppData\...\WindowsUpdate.exe, PE32 32->55 dropped 57 C:\...\WindowsUpdate.exe:Zone.Identifier, ASCII 32->57 dropped 81 Changes the view of files in windows explorer (hidden files and folders) 32->81 83 Writes to foreign memory regions 32->83 85 Allocates memory in foreign processes 32->85 39 vbc.exe 32->39         started        41 dw20.exe 22 6 32->41         started        43 vbc.exe 13 32->43         started        45 WerFault.exe 32->45         started        67 10.76.9.0.in-addr.arpa 37->67 87 Sample uses process hollowing technique 37->87 89 Installs a global keyboard hook 37->89 91 Injects a PE file into a foreign processes 37->91 47 dw20.exe 37->47         started        49 vbc.exe 37->49         started        51 vbc.exe 37->51         started        file12 signatures13 process14 process15 53 WerFault.exe 39->53         started       
Threat name:
Win32.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-08-14 08:05:08 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
hawkeye
Score:
  10/10
Tags:
upx keylogger trojan stealer spyware family:hawkeye persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Executes dropped EXE
UPX packed file
HawkEye
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:Hawkeye
Author:JPCERT/CC Incident Response Group
Description:detect HawkEye in memory
Reference:internal research
Rule name:RAT_HawkEye
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects HawkEye RAT
Reference:http://malwareconfig.com/stats/HawkEye
Rule name:win_hawkeye_keylogger_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_hawkeye_keylogger_w0
Author: Kevin Breen <kevin@techanarchy.net>
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Malspam

HawkEye

Executable exe 9af42638628323098b6873eee65103c97fa1ff971d6640323ab4a5290edc71c2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments