Malware Analysis Report

2024-11-30 02:27

Sample ID 241014-cpk2fawclh
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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-14 02:15

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-14 02:15

Reported

2024-10-14 02:17

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

95s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4236 created 2640 N/A C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.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\TNznwBcj3m.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\TNznwBcj3m.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 380 wrote to memory of 3152 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 380 wrote to memory of 3152 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 3152 wrote to memory of 1512 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\tasklist.exe
PID 3152 wrote to memory of 1512 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\tasklist.exe
PID 380 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 380 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 2908 wrote to memory of 324 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2908 wrote to memory of 324 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 380 wrote to memory of 1772 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 380 wrote to memory of 1772 N/A C:\Users\Admin\AppData\Local\Temp\launcher.exe C:\Windows\system32\cmd.exe
PID 1772 wrote to memory of 4236 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.exe
PID 1772 wrote to memory of 4236 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.exe
PID 1772 wrote to memory of 4236 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.exe
PID 4236 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.exe C:\Windows\SysWOW64\openwith.exe
PID 4236 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.exe C:\Windows\SysWOW64\openwith.exe
PID 4236 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.exe C:\Windows\SysWOW64\openwith.exe
PID 4236 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.exe C:\Windows\SysWOW64\openwith.exe
PID 4236 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.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\TNznwBcj3m.exe"

C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.exe

C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.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 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.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 185.199.110.133:443 objects.githubusercontent.com tcp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 133.110.199.185.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/324-2-0x00007FFC0D373000-0x00007FFC0D375000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1524ehad.pd2.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/324-12-0x0000021A778B0000-0x0000021A778D2000-memory.dmp

memory/324-13-0x00007FFC0D370000-0x00007FFC0DE31000-memory.dmp

memory/324-14-0x00007FFC0D370000-0x00007FFC0DE31000-memory.dmp

memory/324-17-0x00007FFC0D370000-0x00007FFC0DE31000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\TNznwBcj3m.exe

MD5 0ec4b9b5f2c28fbf2492589a344b8664
SHA1 ec46f875687fbddf48290fd117a40750d510c837
SHA256 eb8966926eb86c0b7207bcbeb56a8540c88f3b4c002e8778405fb16c645ef286
SHA512 95e047410b7ba7a8f929e9d9bec1b7da87c863094651f65b5940d7217faa0101316d019e1965f82ee2cdd7d4004b08f2169a5bf5d9e42df57dfe344f4f24e7f2

memory/4236-22-0x0000000000400000-0x00000000007F9000-memory.dmp

memory/4236-24-0x0000000000400000-0x00000000007F9000-memory.dmp

memory/4236-27-0x00000000036D0000-0x0000000003AD0000-memory.dmp

memory/4236-28-0x00000000036D0000-0x0000000003AD0000-memory.dmp

memory/4236-31-0x0000000077130000-0x0000000077345000-memory.dmp

memory/4236-29-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

memory/1476-32-0x0000000000910000-0x0000000000919000-memory.dmp

memory/4236-34-0x0000000000400000-0x00000000007F9000-memory.dmp

memory/1476-38-0x0000000077130000-0x0000000077345000-memory.dmp

memory/1476-36-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

memory/1476-35-0x0000000002680000-0x0000000002A80000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-14 02:15

Reported

2024-10-14 02:18

Platform

win7-20241010-en

Max time kernel

118s

Max time network

126s

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