Malware Analysis Report

2024-11-30 02:25

Sample ID 241014-cneg9swcke
Target launcher.exe
SHA256 b4319210ed63ced7b431ef15430a5a98dadf9601af2ec882d00b48e1aefca6c8
Tags
rhadamanthys discovery execution stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b4319210ed63ced7b431ef15430a5a98dadf9601af2ec882d00b48e1aefca6c8

Threat Level: Known bad

The file launcher.exe was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery execution stealer

Suspicious use of NtCreateUserProcessOtherParentProcess

Rhadamanthys

Command and Scripting Interpreter: PowerShell

Executes dropped EXE

Enumerates processes with tasklist

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-14 02:13

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-14 02:13

Reported

2024-10-14 02:15

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 836 created 2608 N/A C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe C:\Windows\system32\sihost.exe

Command and Scripting Interpreter: PowerShell

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

Executes dropped EXE

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

Enumerates processes with tasklist

discovery
Description Indicator Process Target
N/A N/A C:\Windows\system32\tasklist.exe N/A

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\Temp\cXppsrGhry.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3244 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 3244 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 2976 wrote to memory of 1412 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2976 wrote to memory of 1412 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\tasklist.exe
PID 3244 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 3244 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 1612 wrote to memory of 4688 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1612 wrote to memory of 4688 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3244 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 3244 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 3224 wrote to memory of 836 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe
PID 3224 wrote to memory of 836 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe
PID 3224 wrote to memory of 836 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe
PID 836 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe C:\Windows\SysWOW64\openwith.exe
PID 836 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe C:\Windows\SysWOW64\openwith.exe
PID 836 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe C:\Windows\SysWOW64\openwith.exe
PID 836 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe C:\Windows\SysWOW64\openwith.exe
PID 836 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe C:\Windows\SysWOW64\openwith.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\launcher.exe

"C:\Users\Admin\AppData\Local\Temp\launcher.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /d /s /c "tasklist"

C:\Windows\system32\tasklist.exe

tasklist

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /d /s /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData'; Add-MpPreference -ExclusionPath 'C:\ProgramData'""

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

powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData'; Add-MpPreference -ExclusionPath 'C:\ProgramData'"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /d /s /c "C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe"

C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe

C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe

C:\Windows\SysWOW64\openwith.exe

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

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 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.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 objects.githubusercontent.com udp
US 185.199.109.133:443 objects.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 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp

Files

memory/4688-2-0x00007FF987293000-0x00007FF987295000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_flnblbs0.bbi.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4688-8-0x000001157E7C0000-0x000001157E7E2000-memory.dmp

memory/4688-13-0x00007FF987290000-0x00007FF987D51000-memory.dmp

memory/4688-14-0x00007FF987290000-0x00007FF987D51000-memory.dmp

memory/4688-17-0x00007FF987290000-0x00007FF987D51000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\cXppsrGhry.exe

MD5 0ec4b9b5f2c28fbf2492589a344b8664
SHA1 ec46f875687fbddf48290fd117a40750d510c837
SHA256 eb8966926eb86c0b7207bcbeb56a8540c88f3b4c002e8778405fb16c645ef286
SHA512 95e047410b7ba7a8f929e9d9bec1b7da87c863094651f65b5940d7217faa0101316d019e1965f82ee2cdd7d4004b08f2169a5bf5d9e42df57dfe344f4f24e7f2

memory/836-22-0x0000000000400000-0x00000000007F9000-memory.dmp

memory/836-24-0x0000000000400000-0x00000000007F9000-memory.dmp

memory/836-27-0x0000000003650000-0x0000000003A50000-memory.dmp

memory/836-28-0x0000000003650000-0x0000000003A50000-memory.dmp

memory/836-29-0x00007FF9A5B70000-0x00007FF9A5D65000-memory.dmp

memory/3852-32-0x0000000000640000-0x0000000000649000-memory.dmp

memory/836-31-0x0000000077AE0000-0x0000000077CF5000-memory.dmp

memory/836-33-0x0000000000400000-0x00000000007F9000-memory.dmp

memory/3852-35-0x00000000021C0000-0x00000000025C0000-memory.dmp

memory/3852-36-0x00007FF9A5B70000-0x00007FF9A5D65000-memory.dmp

memory/3852-38-0x0000000077AE0000-0x0000000077CF5000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-14 02:13

Reported

2024-10-14 02:15

Platform

win7-20240903-en

Max time kernel

120s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\launcher.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\launcher.exe

"C:\Users\Admin\AppData\Local\Temp\launcher.exe"

Network

N/A

Files

N/A