b5c4c633bf4e19f4359f10f89d868089c4540bed0ddd1bb09d339e2189151b49

General

Target
2026-08-03_a37978a4afe9ae544b5102336d950f7c_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260803-kyaaassemb
SHA256 b5c4c633bf4e19f4359f10f89d868089c4540bed0ddd1bb09d339e2189151b49
MD5 a37978a4afe9ae544b5102336d950f7c
SHA1 1980a108e3e0001d35d5a8e5f7fc7e003a72ca57
SHA512 4431de45def47ad0dd6f7ec6cca746eb8fd7c1b61dab9f9af9536ecf5df666a9bc7a491a8259922ece5a356fdda3b94506d242686641c62f77b56ed2aeeb272b
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT+6i0HgOYkkcaSkw8GXtNmk:ZhpAyazIlyazTXHgIaSkw8wtv
TLSH
T1E9939D03B6D28170E4B70A3609A9CE51066FBD721FB28E573384618E5A752C09F3AB77
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3840	CTS.exe
5032	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"	2026-08-03_a37978a4afe9ae544b5102336d950f7c_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	2026-08-03_a37978a4afe9ae544b5102336d950f7c_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	2026-08-03_a37978a4afe9ae544b5102336d950f7c_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	4772	2026-08-03_a37978a4afe9ae544b5102336d950f7c_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3840	CTS.exe
Token: SeDebugPrivilege	5032	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 3840	4772	2026-08-03_a37978a4afe9ae544b5102336d950f7c_bkransomware_elex_maze_rhadamanthys.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-08-03_a37978a4afe9ae544b5102336d950f7c_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_a37978a4afe9ae544b5102336d950f7c_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:4772
- 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:3840

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:5032

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

Replay Monitor

Loading Replay Monitor...

Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 ce887b800c3ffcad3dacb345bc10f3182e2b586c1ccb2ef3c425173db2d6c61f
MD5 1d7ea838d45f6aa42892b6d6010846ea
SHA1 8a4df2208a5003bc776343b2b0ad67e84a7aa3bc
SHA512 109b97a0564c720ec7d483962e7e50ebd8675616df4a64af5d74124e256d9b42b3b098f19fefd1096c5b01dcac8dab16df0ca073eec8ba0d903f32eee6c56f12
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTc6qVu0C:ZhpAyazIlyazTc6qVdC
TLSH
T181736C03B6D2C171E4B70A7649B8CE61067FBE765EB18D5B33C4218E09752C08E39BA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nMjUKefYIDTMBLB.exe

Path C:\Users\Admin\AppData\Local\Temp\nMjUKefYIDTMBLB.exe
Size 95KB
SHA256 1d0bc75061264fc656c8bc71ab77aeeea7bb94aae26cb959098de2da0dd01366
MD5 31286827ef14efffda9d9da70b4a3b57
SHA1 b00c627fefb107b68e3d93985fbc57592b292a4f
SHA512 baae8d60dd166fe3deabcb5452951c1fbad428aeceb814788a128aa84d89bbfa60bd0d106b3191ff80d04a7ed9cb77b81f32c43d59adbf230393ea355c67318e
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTyXIhHKj3dh7b/U5f0L:ZhpAyazIlyazTfhHKj3dFS6
TLSH
T1EE939D0376D5C171E4B7067608B9CE55066FBE764FB28D5B33C4208D0AB62C19E3AB6B
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

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads