Malware Analysis Report

2024-11-13 13:53

Sample ID 240918-t9qwvsscqr
Target 759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa
SHA256 759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa
Tags
rhadamanthys discovery 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

759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa

Threat Level: Known bad

The file 759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Executes dropped EXE

Enumerates connected drives

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-18 16:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-18 16:45

Reported

2024-09-18 16:48

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe

"C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-18 16:45

Reported

2024-09-18 16:48

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

151s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4572 created 2568 N/A C:\Windows\SysWoW64\calc.exe C:\Windows\system32\sihost.exe

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWoW64\calc.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\D: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\b: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\a: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2384 set thread context of 4572 N/A C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe C:\Windows\SysWoW64\calc.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWoW64\calc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe

"C:\Users\Admin\AppData\Local\Temp\759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa.exe"

C:\Windows\SysWoW64\calc.exe

C:\Windows\SysWoW64\calc.exe

C:\Windows\SysWOW64\openwith.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 microsoft-rage.world udp
US 172.67.149.192:443 microsoft-rage.world tcp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 172.67.149.192:443 microsoft-rage.world tcp
US 172.67.149.192:443 microsoft-rage.world tcp
US 8.8.8.8:53 192.149.67.172.in-addr.arpa udp
US 172.67.149.192:443 microsoft-rage.world tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 172.67.149.192:443 microsoft-rage.world tcp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
US 172.67.149.192:443 microsoft-rage.world tcp
US 8.8.8.8:53 udp

Files

memory/2384-0-0x00007FFA71890000-0x00007FFA71892000-memory.dmp

memory/2384-2-0x00007FFA718A0000-0x00007FFA718A2000-memory.dmp

memory/2384-5-0x00007FFA714C0000-0x00007FFA714C2000-memory.dmp

memory/2384-4-0x00007FFA714B0000-0x00007FFA714B2000-memory.dmp

memory/2384-3-0x00007FFA718B0000-0x00007FFA718B2000-memory.dmp

memory/2384-1-0x0000000140220000-0x0000000140BFB000-memory.dmp

memory/2384-6-0x00007FFA6F7A0000-0x00007FFA6F7A2000-memory.dmp

memory/2384-8-0x0000000140000000-0x00000001415DA000-memory.dmp

memory/2384-7-0x00007FFA6F7B0000-0x00007FFA6F7B2000-memory.dmp

memory/2384-10-0x0000000140000000-0x00000001415DA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\THCA24B.tmp

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2384-13-0x0000000140000000-0x00000001415DA000-memory.dmp

memory/4572-14-0x0000000000B50000-0x0000000000BCE000-memory.dmp

memory/2384-15-0x0000000140220000-0x0000000140BFB000-memory.dmp

memory/4572-16-0x0000000003870000-0x0000000003C70000-memory.dmp

memory/4572-17-0x0000000003870000-0x0000000003C70000-memory.dmp

memory/4572-18-0x0000000003870000-0x0000000003C70000-memory.dmp

memory/4572-19-0x00007FFA71690000-0x00007FFA71885000-memory.dmp

memory/4364-22-0x0000000000C40000-0x0000000000C49000-memory.dmp

memory/4572-23-0x000000000387F000-0x0000000003C70000-memory.dmp

memory/4572-21-0x0000000076F40000-0x0000000077155000-memory.dmp

memory/4572-25-0x0000000000B50000-0x0000000000BCE000-memory.dmp

memory/4364-28-0x00007FFA71690000-0x00007FFA71885000-memory.dmp

memory/4364-30-0x0000000076F40000-0x0000000077155000-memory.dmp

memory/4364-27-0x00000000028B0000-0x0000000002CB0000-memory.dmp

memory/4364-31-0x00000000028B0000-0x0000000002CB0000-memory.dmp

memory/4364-32-0x00000000028B0000-0x0000000002CB0000-memory.dmp

memory/4364-33-0x00000000028B0000-0x0000000002CB0000-memory.dmp