Malware Analysis Report

2024-10-23 21:19

Sample ID 220625-jsa4zacagj
Target b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4
SHA256 b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4
Tags
collection hawkeye_reborn
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4

Threat Level: Known bad

The file b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4 was found to be: Known bad.

Malicious Activity Summary

collection hawkeye_reborn

Hawkeye_reborn family

NirSoft MailPassView

NirSoft WebBrowserPassView

Nirsoft

Uses the VBS compiler for execution

Accesses Microsoft Outlook accounts

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-25 07:55

Signatures

Hawkeye_reborn family

hawkeye_reborn

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-25 07:55

Reported

2022-06-25 09:29

Platform

win10v2004-20220414-en

Max time kernel

162s

Max time network

189s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe"

Signatures

NirSoft MailPassView

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

NirSoft WebBrowserPassView

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Nirsoft

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Uses the VBS compiler for execution

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A bot.whatismyipaddress.com N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1760 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1760 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe

"C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp69D6.tmp"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp8463.tmp"

Network

Country Destination Domain Proto
NL 88.221.144.179:80 tcp
NL 88.221.144.179:80 tcp
US 13.89.178.26:443 tcp
US 8.8.8.8:53 bot.whatismyipaddress.com udp

Files

memory/1760-130-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/1760-131-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/4780-133-0x0000000000400000-0x000000000045C000-memory.dmp

memory/4780-135-0x0000000000400000-0x000000000045C000-memory.dmp

memory/4780-132-0x0000000000000000-mapping.dmp

memory/4780-136-0x0000000000400000-0x000000000045C000-memory.dmp

memory/4780-137-0x0000000000400000-0x000000000045C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp69D6.tmp

MD5 92b3d04dbcf7aa8eabb0096c55624068
SHA1 04a3b14a8f16bdd8a67f1b5d6be8c3db79c766c7
SHA256 84e388e2bbff6a229d99df8d7e0558e46e793106c2f3bb290c6acc06fe31fe9c
SHA512 fbd6a298b66e2117f68028cdf9fa1b3e441f87fa8a052ce1be628ae65116d5b2953cdc8117dce57e86475a75412b1a85f431eb0da6dd788ec5312d34ff71f9d1

memory/4872-139-0x0000000000000000-mapping.dmp

memory/4872-140-0x0000000000400000-0x000000000041C000-memory.dmp

memory/4872-142-0x0000000000400000-0x000000000041C000-memory.dmp

memory/4872-143-0x0000000000400000-0x000000000041C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-25 07:55

Reported

2022-06-25 09:29

Platform

win7-20220414-en

Max time kernel

152s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe"

Signatures

NirSoft MailPassView

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

NirSoft WebBrowserPassView

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Nirsoft

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Uses the VBS compiler for execution

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2040 wrote to memory of 360 N/A C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe

"C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp3E97.tmp"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmpE6D8.tmp"

Network

N/A

Files

memory/2040-54-0x0000000075841000-0x0000000075843000-memory.dmp

memory/2040-55-0x0000000074720000-0x0000000074CCB000-memory.dmp

memory/2040-56-0x0000000074720000-0x0000000074CCB000-memory.dmp

memory/1120-58-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1120-67-0x0000000000444D30-mapping.dmp

memory/1120-70-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1120-66-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1120-64-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1120-62-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1120-60-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1120-57-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1120-71-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1120-72-0x0000000000400000-0x000000000045C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp3E97.tmp

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

memory/360-74-0x0000000000400000-0x000000000041C000-memory.dmp

memory/360-75-0x0000000000400000-0x000000000041C000-memory.dmp

memory/360-77-0x0000000000400000-0x000000000041C000-memory.dmp

memory/360-79-0x0000000000400000-0x000000000041C000-memory.dmp

memory/360-80-0x0000000000400000-0x000000000041C000-memory.dmp

memory/360-83-0x000000000041211A-mapping.dmp

memory/360-82-0x0000000000400000-0x000000000041C000-memory.dmp

memory/360-86-0x0000000000400000-0x000000000041C000-memory.dmp