Malware Analysis Report

2024-11-13 13:53

Sample ID 240918-t4zxkssapr
Target ementhaler.update.exe
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 ementhaler.update.exe 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 16:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-18 16:37

Reported

2024-09-18 16:40

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe

"C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-18 16:37

Reported

2024-09-18 16:40

Platform

win10v2004-20240802-en

Max time kernel

126s

Max time network

128s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2552 created 2580 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) \??\b: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\D: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\a: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4456 set thread context of 2552 N/A C:\Users\Admin\AppData\Local\Temp\ementhaler.update.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\ementhaler.update.exe

"C:\Users\Admin\AppData\Local\Temp\ementhaler.update.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 13.86.106.20.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 8.8.8.8:53 192.149.67.172.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 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 172.67.149.192:443 microsoft-rage.world tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 172.67.149.192:443 microsoft-rage.world tcp
US 172.67.149.192:443 microsoft-rage.world tcp

Files

memory/4456-2-0x00007FFAC31E0000-0x00007FFAC31E2000-memory.dmp

memory/4456-1-0x0000000140220000-0x0000000140BFB000-memory.dmp

memory/4456-0-0x00007FFAC31D0000-0x00007FFAC31D2000-memory.dmp

memory/4456-5-0x00007FFAC1870000-0x00007FFAC1872000-memory.dmp

memory/4456-4-0x00007FFAC1860000-0x00007FFAC1862000-memory.dmp

memory/4456-3-0x00007FFAC31F0000-0x00007FFAC31F2000-memory.dmp

memory/4456-8-0x0000000140000000-0x00000001415DA000-memory.dmp

memory/4456-7-0x00007FFAC10D0000-0x00007FFAC10D2000-memory.dmp

memory/4456-6-0x00007FFAC10C0000-0x00007FFAC10C2000-memory.dmp

memory/4456-10-0x0000000140000000-0x00000001415DA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\THC87AE.tmp

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/4456-13-0x0000000140000000-0x00000001415DA000-memory.dmp

memory/2552-14-0x0000000000680000-0x00000000006FE000-memory.dmp

memory/2552-16-0x0000000003A80000-0x0000000003E80000-memory.dmp

memory/2552-15-0x0000000003A80000-0x0000000003E80000-memory.dmp

memory/2552-17-0x0000000003A80000-0x0000000003E80000-memory.dmp

memory/2552-18-0x00007FFAC2FD0000-0x00007FFAC31C5000-memory.dmp

memory/2552-20-0x0000000076430000-0x0000000076645000-memory.dmp

memory/4456-22-0x0000000140220000-0x0000000140BFB000-memory.dmp

memory/2552-24-0x0000000000680000-0x00000000006FE000-memory.dmp

memory/3660-21-0x0000000000EB0000-0x0000000000EB9000-memory.dmp

memory/3660-27-0x00000000029F0000-0x0000000002DF0000-memory.dmp

memory/3660-28-0x00007FFAC2FD0000-0x00007FFAC31C5000-memory.dmp

memory/3660-30-0x0000000076430000-0x0000000076645000-memory.dmp

memory/3660-31-0x00000000029F0000-0x0000000002DF0000-memory.dmp

memory/3660-32-0x00000000029F0000-0x0000000002DF0000-memory.dmp