b44c0393721456888f1a603bdb13f040c0d582a4cbbc1abf2dee754597ec7260

General

Target
2026-08-17_d93e15caeb9354e6bf7d80b1ba5247de_bkransomware_elex_maze_rhadamanthys.exe
Size 391KB
Sample260817-3vb9labk6t
SHA256 b44c0393721456888f1a603bdb13f040c0d582a4cbbc1abf2dee754597ec7260
MD5 d93e15caeb9354e6bf7d80b1ba5247de
SHA1 2c6137271dbf8b8c0e6cca1d6732a6564fdabfdc
SHA512 f6426ea6f106e9c8a29f5523eb5e0615d0588f9a8e949309d9d2fc423b065c9f4cb752eb08aa6183d3f6c46512d7bb3fe52b3867463911905b09f48374416082
SSDEEP 12288:xC0iabN0vnraT2OTD7ra6IObVTKTXfaPP9IogOfd2bF:DiabN0TaC2UObVKiPDq
TLSH
T1E3841213B6D5D530E8624B7648B59E101BAF7D395FB2EE2272C831CC4D752C06E29B2B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4904	CTS.exe
1776	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"	2026-08-17_d93e15caeb9354e6bf7d80b1ba5247de_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	2026-08-17_d93e15caeb9354e6bf7d80b1ba5247de_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	2026-08-17_d93e15caeb9354e6bf7d80b1ba5247de_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	4204	2026-08-17_d93e15caeb9354e6bf7d80b1ba5247de_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4904	CTS.exe
Token: SeDebugPrivilege	1776	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 4904	4204	2026-08-17_d93e15caeb9354e6bf7d80b1ba5247de_bkransomware_elex_maze_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-17_d93e15caeb9354e6bf7d80b1ba5247de_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_d93e15caeb9354e6bf7d80b1ba5247de_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:4204
- 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:4904

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:1776

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 9abfb7796a642e9edeff5c46e51a86fdff1cffb73b239411decaff6882a7b13f
MD5 713aae57579a70bdd1ac8309b74c7a42
SHA1 a25c6019d332ae75b3fd98222e19b1b4fbae0cb0
SHA512 9ee57a5448e2cd306a40d953181403494bc7b5accd36f287c2f3a4e266de929cf8467fb460035582365e45ccadb8a70e20145f46a02bf6aad35ac9c4a064c4ac
SSDEEP 12288:xC0gAOwwI/bQ9Ginm3iffhc/Z0Ivg1HSfLTtqRVRDeH5W7:DgmJDinaixcRFvciLTtqRVI54
TLSH
T1D1C42313BB92E1B8F4EB023611588940866FBE700FF1DD537398A48D89751E0EE6D7A7
MD5 SHA1 SHA512 SSDEEP TLSH

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YfAC92QIauzS1uB.exe

Path C:\Users\Admin\AppData\Local\Temp\YfAC92QIauzS1uB.exe
Size 391KB
SHA256 facde211ae318d4d9c1e0fbf03237fac5f6f38667ea7b3924c6af310678a2bf4
MD5 531f98f9db055cd655ca3ef7e38f574f
SHA1 c204eb2b2632a4d54f67658ad83cc3aa0e8ab714
SHA512 b4c19d34106bf2410bb15546ab56ff530579ef72d74db8f56494c6bf43525a16574e24a3b268465bc68c512c8224602a2f6ed3cf6b7cfc7a0aaf7f52d226bdd5
SSDEEP 6144:xZ8azYTa9Of9RwvpXBD7E1e74XgYmhFj3RDkYWakOB0ls3nI:xC0YTa9Ofno01C4XgvzNAYWa9j3nI
TLSH
T160841203B2DAD570F163527589F88E8146AFBE306AB0CCEB779028DE15352D01E29F5B
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