773349d738a7e0b63e7e8bf4b4f89f738258bd6800df964b0ec013c19adba343

General

Target
2026-08-17_3c903104188864d9a19481a233f6283f_bkransomware_elex_maze_rhadamanthys.exe
Size 391KB
Sample260817-tkcypsvvay
SHA256 773349d738a7e0b63e7e8bf4b4f89f738258bd6800df964b0ec013c19adba343
MD5 3c903104188864d9a19481a233f6283f
SHA1 78d7ea45731e570bbaeeaa3e5df2bff37702bcdd
SHA512 bffa8c2ec5ea96e26c637e7a35f6bd8c6c6517de4e7f34c829bd8b42a37d3345ddd9bef5b1734c9d4679a2fb6c166c4df51b42505c4aa7e1622d6640831d1dc5
SSDEEP 12288:hS0V7nUYSZg3hk1JGVVr4vyuQU+qJfznbJEjHltdf:DV7nSZehkiKviDeznbJ+jdf
TLSH
T1C484121372CE9275E5F30E761958EA110AAF7DB92F70CD07A384159E0A712C05E3AB7B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5412	CTS.exe
688	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"	2026-08-17_3c903104188864d9a19481a233f6283f_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	2026-08-17_3c903104188864d9a19481a233f6283f_bkransomware_elex_maze_rhadamanthys.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	CTS.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	2026-08-17_3c903104188864d9a19481a233f6283f_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	2900	2026-08-17_3c903104188864d9a19481a233f6283f_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5412	CTS.exe
Token: SeDebugPrivilege	688	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 5412	2900	2026-08-17_3c903104188864d9a19481a233f6283f_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-17_3c903104188864d9a19481a233f6283f_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_3c903104188864d9a19481a233f6283f_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:2900
- 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:5412

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:688

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

officeclicktorun.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml
Size 557KB
SHA256 1ae192da64ebae2369d4f18ff11260cef11b114a9dd8e81948564de418b3b3b4
MD5 839fd79b39b44376b2f70fee688b3810
SHA1 f999cc06ba66b35b726a42169bd2e2bd521ac2e1
SHA512 68d9ab38fd22b01452d913a8ed1df153a5c9c2dbd175f6204d33a8c0b312f1f05e5aa4d347963ef4eb1d1d2ffcd081be178c1688c0af7116bbeebea901a52cac
SSDEEP 12288:hS01PfcWgUv9z7s78Q3VeKpXAN/95Hza5/ptu8Z6Q:D1f3gr7j30KpXsS/pt16Q
TLSH
T14DC4130333E2C1B2D0251B7729B89E99122F7D3A0FF09A5637845ADE05361D14D7BBAB
MD5 SHA1 SHA512 SSDEEP TLSH

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Ync4pYdzDhcXgKr.exe

Path C:\Users\Admin\AppData\Local\Temp\Ync4pYdzDhcXgKr.exe
Size 320KB
SHA256 0d55856d55124b00aac2490df550fffd72bcd66415b54c715bfecd7d95f95034
MD5 4d44199b47de963eedd9c42fe8c117aa
SHA1 1d687ee94455582cfbd13a7bc4468c6aad347a21
SHA512 83bc211fd210fec218292d9c3631a9cf4be5610c8defec05d3a2f9f0a7cf71279a93fe4dfa57a0806e48cc692b2e4d17d2b25e95b98179f8802eac67f0b771a6
SSDEEP 1536:42/zodP+U8KPh1u6uSivsUQK75IthKoLe2Xu8:VpU8KPh1u6uSivsUQK75Ith1XV
TLSH
T11864DC87F012A5536B8E263D53B085FB0DF5811BA6C79C42705027FDE827CEA0D96BB6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

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