457a98c5a2d2589cafa1a570e23145b885ea34943328a18b7fc9c375eae6915f

General

Target
2026-07-31_39d5fa34fe8751b3aea694f9b203886c_bkransomware_elex_maze_rhadamanthys.exe
Size 557KB
Sample260731-n953wssyet
SHA256 457a98c5a2d2589cafa1a570e23145b885ea34943328a18b7fc9c375eae6915f
MD5 39d5fa34fe8751b3aea694f9b203886c
SHA1 33d2dcec6f8b160b3414428af625ab597131cf8d
SHA512 c753907e70003b203939f6e0067ba7f29ebd8b138d73b06dab4701cea9476680b3a846cf56ef76082389cedd740d0a8304f96896a22bda34d727243b254a03b5
SSDEEP 12288:xC0g50KzWwNeJDGhnIn9BqzVmM6WwR+ykBiPvCyjwxHLAi:Dg5jzh0DG6nfA1BI9j0Hki
TLSH
T10EC41203B5C1C471D5E31A738A349A891B7F7E772A75CE23B3E4104E5935AE08EB4A63
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4788	CTS.exe
5108	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"	2026-07-31_39d5fa34fe8751b3aea694f9b203886c_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	2026-07-31_39d5fa34fe8751b3aea694f9b203886c_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	2026-07-31_39d5fa34fe8751b3aea694f9b203886c_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	3260	2026-07-31_39d5fa34fe8751b3aea694f9b203886c_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4788	CTS.exe
Token: SeDebugPrivilege	5108	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 4788	3260	2026-07-31_39d5fa34fe8751b3aea694f9b203886c_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-31_39d5fa34fe8751b3aea694f9b203886c_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_39d5fa34fe8751b3aea694f9b203886c_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:3260
- 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:4788

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:5108

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 575bc8f3b938429d1709176305431cda2592a647451a998f593b29f39c3e7bad
MD5 440a4981783bb2fc0efe1441ce88a888
SHA1 4c9823308c46b1b3cb1c64d26197f202f5372559
SHA512 4126ca115269ae2385bf639e43e38af7dae77ec58703a4cb9b1dd935ce520ae61841fdb0b363a749e6e4c74466b572424a224896302128d72930310d3692b33a
SSDEEP 24576:D7qLwCizq3Wwp6qi0W4hi4XOMDH6GjcQhd4Yref3sPIL:D7ZHz05W0fhi4XOKaiRCX8m
TLSH
T1C145232BFBC75032E4375A3016AB9A28071FFBF79F995A4536E4A09845B0AC30835777
MD5 SHA1 SHA512 SSDEEP TLSH

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PAxH3Qq7AO7GvGB.exe

Path C:\Users\Admin\AppData\Local\Temp\PAxH3Qq7AO7GvGB.exe
Size 557KB
SHA256 2fd0b3d03950d2edb4625c6aabcd821ebe7ad590a812d1f6aa1540e85fe2f170
MD5 654acbf2cc8ee06878acf9a6a2d5ccf5
SHA1 0a4d5608f1fc5deea5653fcb34b3f53bd5a42e0b
SHA512 7c7856cefc1a7dcc18e9e48d6688371f5b5a4735702cae4e353712f173ac65fbd03a85feca8dc1b8906d7169edde417464cded9d755da644b1e187915bd4f7a6
SSDEEP 12288:xC0xtI3ZuqrbPAkOYed/ZLZWcBdK3hO2wwFoklh/qhDYYtBMuw/OHCW4J:D3U8qra3/ZLZWcbn2oC4hDBBQmCW4J
TLSH
T1DFC4120337E5D1B0E8BB2B7210688E80572FBE351FB59D4B27D128DD0971681AE6E397
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