d8f1f7969010276e75b0432c6253568d651056007d4f5acc8d4263b775c4f5da

General

Target
2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.exe
Size 557KB
Sample260728-e9zrfaywhx
SHA256 d8f1f7969010276e75b0432c6253568d651056007d4f5acc8d4263b775c4f5da
MD5 8a8c7f8fc81475b57043d48fe94f4b44
SHA1 a11bfaeef094011dd8e77af360407ed829dbfdd1
SHA512 bb9959badad9e77dbf81a8dea60e6f810bb28a049444333b9429fb6b9a1f7cb79725bbf6fb1c5032a487e76727bc8f222171faf54bd40653a543503ffac3892f
SSDEEP 12288:xC0ClNhrwQMKcb133sw/M8OvM4AkNzL4LSReuHykIwoyFEg4FZDMfWQP:DClPm33XoN9NzL40euSkzoyFEgYBnY
TLSH
T129C4221B76C6C634F4A34A71853C9A2026BFB7B22FB15D23335020AD26B56D18F35B67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5148	CTS.exe
2188	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"	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_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	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_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	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5980	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5148	CTS.exe
Token: SeDebugPrivilege	2188	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5980 wrote to memory of 5148	5980	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_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:5980
- 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:5148

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:2188

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 bbdb890fc909566ca2d338099c6d93ac8231636bedebadd6b0dc81bfafca0fea
MD5 564249f3199dc284d7fb9a2bcd04dd72
SHA1 6764d1e03ee0282f42caf98768df7c26eefa1c84
SHA512 f630abdb8de17fe096dec9f93fbb6940b9bcb74115e11cfee2b6ee20e3069e2754b60bfad10b8cb7b05d3a03d16aa0f8a2e5d0f317f3bba8f5a16305674a6930
SSDEEP 12288:xC048uiCF6dAjVeGYXUX34Yuj0zB98qrbUBkLl5Ub8:DxuehjIByqMBkLUA
TLSH
T13CC42303B5A2E1B0E4B71D3550259A6407AF75228EA0DB9FA7C0914C6BB27C11E3E77F
MD5 SHA1 SHA512 SSDEEP TLSH

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w7PGb7sXWxTXMQq.exe

Path C:\Users\Admin\AppData\Local\Temp\w7PGb7sXWxTXMQq.exe
Size 557KB
SHA256 b4e885241b615c18890c9a146ed7f8b2f7efc6ac297a2ea85f38872bab867652
MD5 c5bc60010226e3c6dcaf898d7277dc64
SHA1 303eca89639c29ca2129662464d2ee38f41cd642
SHA512 ccf3519ffd8eef15a27884c0b88940b30834b05d15269d30a97e53df858d0c82aed6528ac0a14e5352159ac83e2b4a8f8c9ca8b0c468afc473043754301f03c6
SSDEEP 12288:xC0kOxmzCbRpHPoJyOY5wFaIFTNdhDJwIrKSzDY/9RFzbVXhsST+A:DktzqbvVOqwFZDJvrKSXi9Vv+A
TLSH
T1C0C4234332D88238F0B6463184AA6F651B3FFEBA1EB09967A750118F45B55D04F3A7E3
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