Malware Analysis Report

2024-11-15 05:58

Sample ID 240403-b8p9tscd3t
Target cfd2733ba128f49a373042a1a6c3fe19.bin
SHA256 7b4f73624fa6f3b155bd1adb5e32c703f4c7afb3120d2d3d0e1f36bf173687dc
Tags
rhadamanthys stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

7b4f73624fa6f3b155bd1adb5e32c703f4c7afb3120d2d3d0e1f36bf173687dc

Threat Level: Known bad

The file cfd2733ba128f49a373042a1a6c3fe19.bin was found to be: Known bad.

Malicious Activity Summary

rhadamanthys stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Suspicious use of SetThreadContext

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-03 01:49

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 01:49

Reported

2024-04-03 01:51

Platform

win7-20240221-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe"

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\SysWOW64\WerFault.exe
PID 2184 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\SysWOW64\WerFault.exe
PID 2184 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\SysWOW64\WerFault.exe
PID 2184 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\SysWOW64\WerFault.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2184 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe

"C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 500

Network

N/A

Files

memory/2184-0-0x0000000001370000-0x00000000013D2000-memory.dmp

memory/2184-1-0x0000000074640000-0x0000000074D2E000-memory.dmp

memory/2184-5-0x00000000027E0000-0x00000000047E0000-memory.dmp

memory/2116-7-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2116-4-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2116-9-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2116-10-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2116-11-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2116-12-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2184-13-0x0000000074640000-0x0000000074D2E000-memory.dmp

memory/2184-14-0x00000000027E0000-0x00000000047E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 01:49

Reported

2024-04-03 01:51

Platform

win10v2004-20240319-en

Max time kernel

147s

Max time network

152s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2068 created 2400 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\system32\sihost.exe

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2484 set thread context of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2484 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2068 wrote to memory of 2688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 2068 wrote to memory of 2688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 2068 wrote to memory of 2688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 2068 wrote to memory of 2688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe
PID 2068 wrote to memory of 2688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\dialer.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe

"C:\Users\Admin\AppData\Local\Temp\5d93c67ddde2e5fdc00a4e5777aa37d9ea4639227c633d044fb467b210640d28.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2484 -ip 2484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 824

C:\Windows\SysWOW64\dialer.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2068 -ip 2068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 568

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2068 -ip 2068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 584

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4968 --field-trial-handle=2276,i,5672504106535478802,17394903851940863593,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 99.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 14.34.115.104.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 200.79.70.13.in-addr.arpa udp

Files

memory/2484-0-0x0000000075180000-0x0000000075930000-memory.dmp

memory/2484-1-0x00000000002C0000-0x0000000000322000-memory.dmp

memory/2068-4-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2484-8-0x0000000002750000-0x0000000004750000-memory.dmp

memory/2068-7-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2068-9-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2068-10-0x0000000003470000-0x0000000003870000-memory.dmp

memory/2068-11-0x0000000003470000-0x0000000003870000-memory.dmp

memory/2068-12-0x0000000003470000-0x0000000003870000-memory.dmp

memory/2068-14-0x0000000003470000-0x0000000003870000-memory.dmp

memory/2068-13-0x00007FFC60530000-0x00007FFC60725000-memory.dmp

memory/2068-16-0x0000000076C90000-0x0000000076EA5000-memory.dmp

memory/2688-17-0x00000000007D0000-0x00000000007D9000-memory.dmp

memory/2688-20-0x0000000002610000-0x0000000002A10000-memory.dmp

memory/2688-19-0x0000000002610000-0x0000000002A10000-memory.dmp

memory/2688-21-0x00007FFC60530000-0x00007FFC60725000-memory.dmp

memory/2688-24-0x0000000076C90000-0x0000000076EA5000-memory.dmp

memory/2688-23-0x0000000002610000-0x0000000002A10000-memory.dmp

memory/2068-25-0x0000000003470000-0x0000000003870000-memory.dmp

memory/2484-26-0x0000000075180000-0x0000000075930000-memory.dmp

memory/2688-27-0x0000000002610000-0x0000000002A10000-memory.dmp