d536a46f8da20c1259f8576b18eb21e10d2d472ca1b435df1bbab827e9d8fefb

General

Target
2026-05-03_b32d774f02f1f5fc2c5f2a95b6ed517d_bkransomware_elex_maze_rhadamanthys.exe
Size 71KB
Sample260503-vxselaew3z
SHA256 d536a46f8da20c1259f8576b18eb21e10d2d472ca1b435df1bbab827e9d8fefb
MD5 b32d774f02f1f5fc2c5f2a95b6ed517d
SHA1 ae89e7d9833b939331e2f0b23bfefb18b3f2ef7c
SHA512 291c4ccc9a8c925188df03be46b89d47cfccf8982d2645e18daf0f1633284f0f302035cd7de6a5dadf729b586f4340ccf3919ec48e32a8deb29ac5051d44d080
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTR8:ZRpAyazIliazTR8
TLSH
T117636C03B6D2C170E4B70A7249B8CE510A7FBE765EB18D5B33C4218D49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2820	CTS.exe
2212	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"	2026-05-03_b32d774f02f1f5fc2c5f2a95b6ed517d_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	2026-05-03_b32d774f02f1f5fc2c5f2a95b6ed517d_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	2026-05-03_b32d774f02f1f5fc2c5f2a95b6ed517d_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	4892	2026-05-03_b32d774f02f1f5fc2c5f2a95b6ed517d_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2820	CTS.exe
Token: SeDebugPrivilege	2212	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 2820	4892	2026-05-03_b32d774f02f1f5fc2c5f2a95b6ed517d_bkransomware_elex_maze_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-03_b32d774f02f1f5fc2c5f2a95b6ed517d_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-03_b32d774f02f1f5fc2c5f2a95b6ed517d_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:4892
- 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:2820

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:2212

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 391KB
SHA256 19683be905c0113041587665ae294e739eb9a2b15d135c0957c044088c2d65d3
MD5 a7e3650894d50229ec0a6915be687086
SHA1 65beedb45e9e7651ce9e0bf64d2ba882934cfa5d
SHA512 6e32eba8945dc331cfe421b4b9c050fb7d1a595eee3cf8fb116b84789bb2a898fb2d489006f2db249715c69fb08ea2477e28480e8b6342b9c81143b7480ff3a7
SSDEEP 12288:xC0Q6CTZcY8vNixfbBENUmVl8hkWl8Z7V:DQT2xFi5buNtOtlw5
TLSH
T1B6840293F9929431E4F70A721164CE9213BF3D7369B2CD5A338011DD1EB16E19E29BA3
MD5 SHA1 SHA512 SSDEEP TLSH

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nyMfqeRvwhbM6Sk.exe

Path C:\Users\Admin\AppData\Local\Temp\nyMfqeRvwhbM6Sk.exe
Size 71KB
SHA256 f0fc966760108434386c5d9c930fb643fff467607872cf0c4e6034f06f3e52c6
MD5 249669ef882ae58cbe8c10af550cbc14
SHA1 9551b1af3d7ca65921d80b864ac044dc6d5fc52a
SHA512 18ce2fc822a315c717ce94837b1d2e67fcfc5a187cdc2866cd44663e844e1caefdfc0645e4f671d920dde225683415c5df2060d22f3ba398bc7fed9958de43c5
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT7m:ZRpAyazIliazT7m
TLSH
T121636B03B6D2C171E4B70A7249B9CE5106BFBE765EB18D5B33C4218D49752C08E3ABA7
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