42eb3773c1956592f10f93eb0b64118cede60c755f750e3b39b090bcfd439571

General

Target
2026-08-13_3433cbe2820c29c89344cd37866afbcb_bkransomware_elex_maze_rhadamanthys.exe
Size 315KB
Sample260813-qqbfaazxcv
SHA256 42eb3773c1956592f10f93eb0b64118cede60c755f750e3b39b090bcfd439571
MD5 3433cbe2820c29c89344cd37866afbcb
SHA1 9a66824606eea42ab7c61a01fb7e01fc32697ff2
SHA512 ffd463edca6080c56876f2b414f9e87a82ac1ea094abc72a80f6d761a6550c9c3f32d55cfc96e7552cba963dc093bb16f9f989a1cf0cadf7c1e2cbe10fea85af
SSDEEP 6144:xZ8azpb0mlfU8JzTfQc+3VaZG6B8JCgB73nK/WR9q5MTlEh3LQv+:xC0VUi/6VaU6B80uqGhhc
TLSH
T1C264021376D1C0B2E0F746324AB4DE51037F7E6A4AB19D07B780618F9A752C18E3A7A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4960	CTS.exe
2932	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_3433cbe2820c29c89344cd37866afbcb_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_3433cbe2820c29c89344cd37866afbcb_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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-13_3433cbe2820c29c89344cd37866afbcb_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	616	2026-08-13_3433cbe2820c29c89344cd37866afbcb_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4960	CTS.exe
Token: SeDebugPrivilege	2932	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 616 wrote to memory of 4960	616	2026-08-13_3433cbe2820c29c89344cd37866afbcb_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-13_3433cbe2820c29c89344cd37866afbcb_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-13_3433cbe2820c29c89344cd37866afbcb_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:616
- 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:4960

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:2932

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 519d4936fb3f3176598aa189ec2b216cdb73d7bf80c4eb9eb464f915cf1539a8
MD5 26efd7ac999615f95b224004693f04ab
SHA1 ef0a23d231828ff88f95733517c38bae2b50aaf8
SHA512 876ea00948b3dcbf45749d8e6d97c0e7eec959502a075dbd0a33bcf6018cd26aceecf81f5452cb57f143b6b79e5bdddb5ba87487e13ac95f4ed77fffb1dcb8bc
SSDEEP 12288:xC0GdfzgaG7h9LbkAVqYxgT6pcNVXCjdj9bKT2STfX:DkzgJ7bEGFFfdj9bKTx
TLSH
T15AC4120376F2C171F4678B3648B0CE55899F7EB50E36CEEB72825A8D05751C09E29BA3
MD5 SHA1 SHA512 SSDEEP TLSH

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Q5StkkxCjaauNXt.exe

Path C:\Users\Admin\AppData\Local\Temp\Q5StkkxCjaauNXt.exe
Size 315KB
SHA256 592e0f64a3b7a0c827f865e83bd2ddeb037eaf0c4355ba61afd87f64e6355370
MD5 50f92cc9a3809ee84b4629d924ae1514
SHA1 a68271874303d9391d8b975a97a2a5fbf2286777
SHA512 ff9b30300749f1b86f35f01b51326876770e70c0bef0bbe3b3fc4152dc902f18b13918c84f08088faaa8b75c4bca4a21195d4dd183f01ceb69b0be4315950301
SSDEEP 6144:xZ8azyO3FIQATbPu3wVsITLqqQoOigY3FX3TfXTdQkCjbfMtaNRCzTj+:xC0/ySAVsIZQoOqVX3TfT6kmf9NRQTC
TLSH
T1DE640207B6C2A5B0F0A706358DA88A210B7F7D792B75ED5B7380318E557A6C04E36B37
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