a8b7be303cdec148b88ba02f845d040490175b97315c489929c593e991e1ed85

General

Target
2026-08-12_c800db6fdd050816832070db8efdef48_bkransomware_elex_maze_rhadamanthys.exe
Size 561KB
Sample260812-xhzw8sshkc
SHA256 a8b7be303cdec148b88ba02f845d040490175b97315c489929c593e991e1ed85
MD5 c800db6fdd050816832070db8efdef48
SHA1 3ff5f49d96a0b4e721a0fbe55f6075e43a7ac88d
SHA512 193313afdffb804c264423ecf7b8edb318adbf9edfc184b9de2a89fcbf7a24e7065f990859844ce4eaa5be419a37d15e4d28471fa1d86239d24e9fb7feed2b33
SSDEEP 12288:hS0Zcm2+6qvJOySP6jtcZECkRD+BQX6XwyR/qWeax9raMeV:DZcm2+6CJOlijeEHMeNyR/aax9r3eV
TLSH
T196C4221779E6C8B4E4B1077205EACED5025BBA721FB48EA723C015AD523A2C05F35B7B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4632	51YWAkQHJ350xk8.exe
5732	CTS.exe
4712	CTS.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-08-12_c800db6fdd050816832070db8efdef48_bkransomware_elex_maze_rhadamanthys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	2026-08-12_c800db6fdd050816832070db8efdef48_bkransomware_elex_maze_rhadamanthys.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-12_c800db6fdd050816832070db8efdef48_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4140	2026-08-12_c800db6fdd050816832070db8efdef48_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5732	CTS.exe
Token: SeDebugPrivilege	4712	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 4632	4140	2026-08-12_c800db6fdd050816832070db8efdef48_bkransomware_elex_maze_rhadamanthys.exe	89
PID 4140 wrote to memory of 5732	4140	2026-08-12_c800db6fdd050816832070db8efdef48_bkransomware_elex_maze_rhadamanthys.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-12_c800db6fdd050816832070db8efdef48_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-12_c800db6fdd050816832070db8efdef48_bkransomware_elex_maze_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Users\Admin\AppData\Local\Temp\51YWAkQHJ350xk8.exe
  C:\Users\Admin\AppData\Local\Temp\51YWAkQHJ350xk8.exe
  2⤵
  - Executes dropped EXE
  PID:4632
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5732

C:\Windows\CTS.exe
C:\Windows\CTS.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4712

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

onenote.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\onenote.exe_Rules.xml
Size 1.1MB
SHA256 a1b15e9c0cf4c43a1defca6c3bb76b1f86d1550e776a217f96f86289ac430694
MD5 b8d79bcff416e13423c52239a8ec661b
SHA1 cb4d15a0f584ae62dcd506fb6e1349e22bcff909
SHA512 f3dd4a5012aedd5f579b2d67e1030a132cb8da3a99821edea6b4aa894a68ccd69d9bc8e1c0695524850a03ff0dcbc3ebea7f0c8bb0a101f193c8c6183e7d702f
SSDEEP 24576:DzQku87Sp458+3UKEPQBom8wFODAT9COy5lltkM6VPX4AiliB:DMr87S+8+3UKEYBfbODaWbtkM6VPXWiB
TLSH
T1D4452313308E8074D5B64AFA81C9D96405EFBE2B3EF297673300A54E54B46C46E26FDB
MD5 SHA1 SHA512 SSDEEP TLSH

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51YWAkQHJ350xk8.exe

Path C:\Users\Admin\AppData\Local\Temp\51YWAkQHJ350xk8.exe
Size 561KB
SHA256 0edadaaa5bf763419607b7b7323c1106184a28bb1635f77911886daca6462e47
MD5 63dd1cb53926f5c7d9e28eb011dcac7d
SHA1 69590f2241a54f4ac7aa60d1d398cab956dbd816
SHA512 5d6b1f648d24a7652186c8666e43963a0f34a7a7d2b6485341b1f487d72fd824cf6620b94792d8784e8cfb9ec3274691f3c3ea8b053884f3ce74886804f5f32a
SSDEEP 12288:lcOj6d4yao35icoKc8x84S3jJGbJttJLou3vvPC8lht:lvjgML8xdS3jOJtnRq83t
TLSH
T1BBC4E1319F49853BC9A30530464D697A93A88A3043B395CB53F4761B77E4AC2AD3BBD3
MD5 SHA1 SHA512 SSDEEP TLSH

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51YWAkQHJ350xk8.exe

Path C:\Users\Admin\AppData\Local\Temp\51YWAkQHJ350xk8.exe
Size 490KB
SHA256 37dcec7509b0803f2bba453845ed67fdbaa15771f8a60fc11f9082fd2a64bd23
MD5 394deeef3e5ffe6c77a9cda1832361bb
SHA1 b3d08ee1a533ebd3eaac2a3eaaa31d5fa32536f7
SHA512 0e7df00204de87143c5b098690ba7bd89e2d10dc3e56ed57f656b3a5adf63d0e74f312f781ee1dbc4ede9023aed4936f59a07c580e8a1afffcd256b40384a5cc
SSDEEP 6144:u4cO73v6dj9CV3D3ylX+6X74S30oxFcWf7iqniPKc2Q+WJB6EulQidU4Mr/pNH:lcOj6d4yao35icoKcrDNARMr/DH
TLSH
T106B45B21BB88C876C4A702304E5EE6A952B9B5219F7282CB73D4631F2EB07C16D77753
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
TLSH
T119636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads