Malware Analysis Report

2024-11-30 02:16

Sample ID 241114-zwnr8ssnhz
Target RG Launcher.exe
SHA256 a0295663c005e7515aa5d3ef0af36efbe4fd1dce9fb31609037c4eb0ab68a014
Tags
rhadamanthys discovery stealer
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

a0295663c005e7515aa5d3ef0af36efbe4fd1dce9fb31609037c4eb0ab68a014

Threat Level: Known bad

The file RG Launcher.exe was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Rhadamanthys family

Suspicious use of NtCreateUserProcessOtherParentProcess

Downloads MZ/PE file

Checks computer location settings

Executes dropped EXE

Looks up external IP address via web service

Program crash

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 21:05

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 21:04

Reported

2024-11-14 21:10

Platform

win10ltsc2021-20241023-en

Max time kernel

181s

Max time network

209s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 632 created 3080 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\system32\sihost.exe
PID 2920 created 3080 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\system32\sihost.exe

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3785588363-1079601362-4184885025-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A myexternalip.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\openwith.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\DownloadedExes\1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\DownloadedExes\2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1192 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\1.exe
PID 1192 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\1.exe
PID 1192 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\1.exe
PID 1192 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\2.exe
PID 1192 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\2.exe
PID 1192 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\2.exe
PID 632 wrote to memory of 5064 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 632 wrote to memory of 5064 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 632 wrote to memory of 5064 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 632 wrote to memory of 5064 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 632 wrote to memory of 5064 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 2920 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe
PID 2920 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe
PID 2920 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe
PID 2920 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe
PID 2920 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe

"C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe"

C:\Users\Admin\AppData\Local\DownloadedExes\1.exe

"C:\Users\Admin\AppData\Local\DownloadedExes\1.exe"

C:\Users\Admin\AppData\Local\DownloadedExes\2.exe

"C:\Users\Admin\AppData\Local\DownloadedExes\2.exe"

C:\Windows\SysWOW64\openwith.exe

"C:\Windows\system32\openwith.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 632 -ip 632

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 632 -ip 632

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 568

C:\Windows\SysWOW64\openwith.exe

"C:\Windows\system32\openwith.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2920 -ip 2920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 544

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2920 -ip 2920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 540

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 68.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
NL 89.23.103.143:5000 89.23.103.143 tcp
NL 89.23.103.39:80 89.23.103.39 tcp
US 8.8.8.8:53 143.103.23.89.in-addr.arpa udp
US 8.8.8.8:53 39.103.23.89.in-addr.arpa udp
US 8.8.8.8:53 fd.api.iris.microsoft.com udp
IE 20.223.35.26:443 fd.api.iris.microsoft.com tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 myexternalip.com udp
US 34.160.111.145:80 myexternalip.com tcp
US 8.8.8.8:53 145.111.160.34.in-addr.arpa udp
NL 89.23.103.143:5000 89.23.103.143 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 49.192.11.51.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\DownloadedExes\1.exe

MD5 b4e80b2b2278c16fc0d9d96509273b38
SHA1 3a690dba90353088dbb5da1897b09bdb55a934d6
SHA256 afa73902cb62bd3fc39c67ff494172148144f2bc194a31250390d8b6f94f3473
SHA512 830d858cade6a20021c3bf4addca71ca01638107ced1d51278a515745862274c6ca96c23104dba645c0c513060c06474e2fa878c0820bddda2a37f4f3181cc48

C:\Users\Admin\AppData\Local\DownloadedExes\2.exe

MD5 0c6b1946ae82e2cb099f3f24ec6082ed
SHA1 1bff64d5b7657b6b77daef3037215043d48aaad5
SHA256 2f2309857af8f8fdb34f7e077c8059ae3e734f1f2685736f69771cf9497cf4c2
SHA512 6dccfba891128d5c85d7b120863fad2954d99abcf826c2a786d24450d47db0f0e094761b58c7d83dd5292a73b6c964ddb0086a412ff13b518628d6df8282b99d

memory/632-31-0x00000000010B0000-0x000000000112E000-memory.dmp

memory/632-32-0x0000000003BB0000-0x0000000003FB0000-memory.dmp

memory/632-33-0x0000000003BB0000-0x0000000003FB0000-memory.dmp

memory/632-34-0x0000000003BB0000-0x0000000003FB0000-memory.dmp

memory/632-35-0x0000000003BB0000-0x0000000003FB0000-memory.dmp

memory/632-36-0x00007FF9F9450000-0x00007FF9F9648000-memory.dmp

memory/632-38-0x00000000764D0000-0x000000007670A000-memory.dmp

memory/5064-39-0x0000000000FD0000-0x0000000000FD9000-memory.dmp

memory/5064-41-0x0000000002EE0000-0x00000000032E0000-memory.dmp

memory/5064-44-0x00000000764D0000-0x000000007670A000-memory.dmp

memory/5064-42-0x00007FF9F9450000-0x00007FF9F9648000-memory.dmp

memory/632-45-0x0000000003BB0000-0x0000000003FB0000-memory.dmp

memory/2920-47-0x0000000003D30000-0x0000000004130000-memory.dmp

memory/2920-50-0x00000000764D0000-0x000000007670A000-memory.dmp

memory/2920-48-0x00007FF9F9450000-0x00007FF9F9648000-memory.dmp

memory/464-53-0x00000000024A0000-0x00000000028A0000-memory.dmp

memory/464-54-0x00007FF9F9450000-0x00007FF9F9648000-memory.dmp

memory/464-56-0x00000000764D0000-0x000000007670A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 21:04

Reported

2024-11-14 21:10

Platform

win11-20241007-en

Max time kernel

115s

Max time network

203s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 248 created 2884 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\system32\sihost.exe
PID 1956 created 2884 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\system32\sihost.exe

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A myexternalip.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:\Users\Admin\AppData\Local\DownloadedExes\1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\DownloadedExes\2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3740 wrote to memory of 248 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\1.exe
PID 3740 wrote to memory of 248 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\1.exe
PID 3740 wrote to memory of 248 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\1.exe
PID 3740 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\2.exe
PID 3740 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\2.exe
PID 3740 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe C:\Users\Admin\AppData\Local\DownloadedExes\2.exe
PID 248 wrote to memory of 612 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 248 wrote to memory of 612 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 248 wrote to memory of 612 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 248 wrote to memory of 612 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 248 wrote to memory of 612 N/A C:\Users\Admin\AppData\Local\DownloadedExes\1.exe C:\Windows\SysWOW64\openwith.exe
PID 1956 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe
PID 1956 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe
PID 1956 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe
PID 1956 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe
PID 1956 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\DownloadedExes\2.exe C:\Windows\SysWOW64\openwith.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe

"C:\Users\Admin\AppData\Local\Temp\RG Launcher.exe"

C:\Users\Admin\AppData\Local\DownloadedExes\1.exe

"C:\Users\Admin\AppData\Local\DownloadedExes\1.exe"

C:\Users\Admin\AppData\Local\DownloadedExes\2.exe

"C:\Users\Admin\AppData\Local\DownloadedExes\2.exe"

C:\Windows\SysWOW64\openwith.exe

"C:\Windows\system32\openwith.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 248 -ip 248

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 248 -s 532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 248 -ip 248

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 248 -s 528

C:\Windows\SysWOW64\openwith.exe

"C:\Windows\system32\openwith.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1956 -ip 1956

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1956 -ip 1956

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 528

Network

Country Destination Domain Proto
NL 89.23.103.143:5000 89.23.103.143 tcp
NL 89.23.103.39:80 89.23.103.39 tcp
US 8.8.8.8:53 143.103.23.89.in-addr.arpa udp
US 8.8.8.8:53 39.103.23.89.in-addr.arpa udp
US 34.160.111.145:80 myexternalip.com tcp
NL 89.23.103.143:5000 89.23.103.143 tcp

Files

C:\Users\Admin\AppData\Local\DownloadedExes\1.exe

MD5 b4e80b2b2278c16fc0d9d96509273b38
SHA1 3a690dba90353088dbb5da1897b09bdb55a934d6
SHA256 afa73902cb62bd3fc39c67ff494172148144f2bc194a31250390d8b6f94f3473
SHA512 830d858cade6a20021c3bf4addca71ca01638107ced1d51278a515745862274c6ca96c23104dba645c0c513060c06474e2fa878c0820bddda2a37f4f3181cc48

C:\Users\Admin\AppData\Local\DownloadedExes\2.exe

MD5 0c6b1946ae82e2cb099f3f24ec6082ed
SHA1 1bff64d5b7657b6b77daef3037215043d48aaad5
SHA256 2f2309857af8f8fdb34f7e077c8059ae3e734f1f2685736f69771cf9497cf4c2
SHA512 6dccfba891128d5c85d7b120863fad2954d99abcf826c2a786d24450d47db0f0e094761b58c7d83dd5292a73b6c964ddb0086a412ff13b518628d6df8282b99d

memory/248-25-0x0000000001310000-0x000000000138E000-memory.dmp

memory/248-26-0x0000000003C80000-0x0000000004080000-memory.dmp

memory/248-27-0x0000000003C80000-0x0000000004080000-memory.dmp

memory/248-28-0x0000000003C80000-0x0000000004080000-memory.dmp

memory/248-29-0x0000000003C80000-0x0000000004080000-memory.dmp

memory/248-33-0x0000000076050000-0x00000000762A2000-memory.dmp

memory/248-30-0x00007FF8AFE00000-0x00007FF8B0009000-memory.dmp

memory/612-34-0x0000000000A20000-0x0000000000A29000-memory.dmp

memory/248-31-0x00007FF8AFE01000-0x00007FF8AFF2A000-memory.dmp

memory/612-36-0x00000000027D0000-0x0000000002BD0000-memory.dmp

memory/612-39-0x0000000076050000-0x00000000762A2000-memory.dmp

memory/612-37-0x00007FF8AFE00000-0x00007FF8B0009000-memory.dmp

memory/248-40-0x0000000003C80000-0x0000000004080000-memory.dmp

memory/1956-42-0x0000000003520000-0x0000000003920000-memory.dmp

memory/1956-45-0x0000000076050000-0x00000000762A2000-memory.dmp

memory/1956-43-0x00007FF8AFE00000-0x00007FF8B0009000-memory.dmp

memory/2448-48-0x0000000002BC0000-0x0000000002FC0000-memory.dmp

memory/2448-49-0x00007FF8AFE00000-0x00007FF8B0009000-memory.dmp

memory/2448-51-0x0000000076050000-0x00000000762A2000-memory.dmp