ac9a1d0751fe0589e78c1f3710a92aa5baee4fa79bb7725523b39b0754299ad5

General

Target
2026-08-13_1cd7f9f3be9dad61d214b3839098aeef_bkransomware_elex_maze_rhadamanthys.exe
Size 448KB
Sample260813-qyb2sabc85
SHA256 ac9a1d0751fe0589e78c1f3710a92aa5baee4fa79bb7725523b39b0754299ad5
MD5 1cd7f9f3be9dad61d214b3839098aeef
SHA1 2efe82754c4608193c56f5ef25fd726ea653993a
SHA512 95d4034529f626d762ab9bc4cfa11451ed065f7a56df7c2a40cfc1b2e23be721688bc6862269581b6dd622a9d794217a032cf15e059599d7c93151f203325764
SSDEEP 6144:xZ8azApdZO2izMaApGdK1i3qXTcIxOM2fjBZWo01F+scR9YKcFyppJutwPRBEPYa:xC0+O2ijZY6qXTmTmL1osi9DES7a
TLSH
T150A4125377C282B1F47389B155F9CA1056AF7DB39E788C9B6780904D0CA68D04E7ABB3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5792	CTS.exe
2520	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"	2026-08-13_1cd7f9f3be9dad61d214b3839098aeef_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	2026-08-13_1cd7f9f3be9dad61d214b3839098aeef_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	2026-08-13_1cd7f9f3be9dad61d214b3839098aeef_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	6140	2026-08-13_1cd7f9f3be9dad61d214b3839098aeef_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5792	CTS.exe
Token: SeDebugPrivilege	2520	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 6140 wrote to memory of 5792	6140	2026-08-13_1cd7f9f3be9dad61d214b3839098aeef_bkransomware_elex_maze_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-13_1cd7f9f3be9dad61d214b3839098aeef_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-13_1cd7f9f3be9dad61d214b3839098aeef_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:6140
- 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:5792

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:2520

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 8806717cff3e46b92f87186ab1bb45e41daea5acad32511abca45dbf6d81ca19
MD5 e4f2c437c3a4bbcfaf7e2c5f58d6feef
SHA1 1cb9481af2740afff03e326dedd558fa41d6f73d
SHA512 4da5cfb5fe4ff46f48a0bd5879a90f04355934ebfbc552992f371db54e6c769833d78743e5407e015ce8743ceb7361cb5ab0ba789f45f418915faacba5c505be
SSDEEP 12288:xC0NI4obyRQO5hCT5PeBSkzg5LWhnYjp17mTcoIjKMTkbXT+cj1:DNI4oby+ihCTBeY2hYj76nI7gjV
TLSH
T110C42303B2D2C0F4E5BA0E7200658B6007BFFD7916B50E16ABD4226E85752E15F7B7A3
MD5 SHA1 SHA512 SSDEEP TLSH

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C63DAa2OHPTjMqv.exe

Path C:\Users\Admin\AppData\Local\Temp\C63DAa2OHPTjMqv.exe
Size 448KB
SHA256 9d2038f4f9130551e55a0d6cf9484e0d1d4afccb47f14a569cce7e5b08b21454
MD5 302d4b99c537b5f2ccc3fa4a62975c37
SHA1 c55af0a7c36cd4f0b06b3ca4180235228fa3673f
SHA512 bdc3a1682933e20239cc6ea7372b106c314d413947e09adddffe82f857d6bf3c39f65b3fc2335666b72ec1199d5110ca87a5a99b41fb4d6b3fc38a6601514ba3
SSDEEP 12288:xC0UWrkHA3TQpSOa4FPfB8tR072DEKtCjU:DUWgHA3TQpSOLXQ072DAU
TLSH
T147A4121376E4C1B0C8B3577048A89FA50B6F7A76AEB50C5B37D011EC05752D0AE2ABB7
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