25f8572393cea194fa9fd891fc551f97543ee01969251a6673622acfd4d75577

General

Target
2026-05-04_12686ceaa0624d71be81baf969ce1234_bkransomware_elex_maze_rhadamanthys.exe
Size 448KB
Sample260504-lepfjsft9s
SHA256 25f8572393cea194fa9fd891fc551f97543ee01969251a6673622acfd4d75577
MD5 12686ceaa0624d71be81baf969ce1234
SHA1 b7c0bd7e0b1c749cd88eac842e09f6bece68699f
SHA512 506b322335f73e51bb7799740949d2739175e8684aab3a5570b7533ed7cb6b614e55e38fd84980b6564c60a47f8cbf584edb7a21310c4651f4b46e280c3122f7
SSDEEP 6144:xZ8azKmMnW9/lnU8c2SKheZZTtQxP5ygP3JRFa4To+6CM0b9wENhmBzEK:xC0KcPnUPKhbPZP3fFa4ToshwymuK
TLSH
T1E7A41213B3D590B9E07746711259CFA517AFBC775BB68CEB3390225E06B01C01E2A7AB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4480	CTS.exe
3652	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"	CTS.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"	2026-05-04_12686ceaa0624d71be81baf969ce1234_bkransomware_elex_maze_rhadamanthys.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-05-04_12686ceaa0624d71be81baf969ce1234_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	2026-05-04_12686ceaa0624d71be81baf969ce1234_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	1200	2026-05-04_12686ceaa0624d71be81baf969ce1234_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4480	CTS.exe
Token: SeDebugPrivilege	3652	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 4480	1200	2026-05-04_12686ceaa0624d71be81baf969ce1234_bkransomware_elex_maze_rhadamanthys.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-05-04_12686ceaa0624d71be81baf969ce1234_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-04_12686ceaa0624d71be81baf969ce1234_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:1200
- 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:4480

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:3652

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 fb3881326358fca990637389bfa0a34371b30f5705eef7ee6380e9666be79809
MD5 4b626e7d2c2377444f8040728ce244ea
SHA1 46b0673303d68af234324298ff877a7e8a82a495
SHA512 574fa6663d44973331eb356b81d2d57ccf2893b62aec67aa380870c90020cd6443812b57a4795c66622b569d60ffc98fe3bf1816179e1aa281ad0d16c6f30690
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT/:ZRpAyazIliazT/
TLSH
T1E3736B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5733C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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AYs2bfONzq6EB58.exe

Path C:\Users\Admin\AppData\Local\Temp\AYs2bfONzq6EB58.exe
Size 448KB
SHA256 2eb91765b10c4eb0c49c60c3f99879565e5e4c92719f0acf22387f6a14b5275d
MD5 a3f23c77cd8e6b932f5ea0f497bdd1d3
SHA1 f79c2b2de7374659a2c7297d23efeee01f4efd15
SHA512 78a26c0aa0bca4f62beec5dbc44cbb55c53bb623ccb5043233a888cca727c8060a0e3a1f71418f545da2bd970af1f19d89e0102f7d041c04aecf8bfecddc8ffc
SSDEEP 12288:xC0fpBkHBkDdsYgb1nOpwLJJ8z5xpxvFG5ydLG:DfbkHG6YwdOOVGz5FvFG5yo
TLSH
T130A4120376C6C4B6E47257724098CA600B9FBD762BF18D1B678025AE4E711C0DE7AFA7
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
TLSH
T176636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
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