861d0fa113f5a37c41510ab15819777548ae9fae69f6b106e8a0d83f0ede8df1

General

Target
2026-08-09_6712eaa3e447df1d4883970ef97cd9d7_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260809-t6rc8avvez
SHA256 861d0fa113f5a37c41510ab15819777548ae9fae69f6b106e8a0d83f0ede8df1
MD5 6712eaa3e447df1d4883970ef97cd9d7
SHA1 afd12fb4914e8cf6e661e61509698966d1505ec3
SHA512 d0024c2e4553cd38b61f025ae89e55dc50075edacd09ff548146c6bc540baaa0ecfe66a07c6e6a3b315046d009e7a61a9649df60abf981f2b395cdb59c7eb3f0
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTJE9LYEEWQC2cH:ZRpAyazIliazTOhY7NiH
TLSH
T1C6939E03B6D6C171E4B7063649A8CE21066FBE765EB28D5773C4218E0A766C08F39B77
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3744	CTS.exe
3896	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"	CTS.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"	2026-08-09_6712eaa3e447df1d4883970ef97cd9d7_bkransomware_elex_maze_rhadamanthys.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	2026-08-09_6712eaa3e447df1d4883970ef97cd9d7_bkransomware_elex_maze_rhadamanthys.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	2026-08-09_6712eaa3e447df1d4883970ef97cd9d7_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	5840	2026-08-09_6712eaa3e447df1d4883970ef97cd9d7_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3744	CTS.exe
Token: SeDebugPrivilege	3896	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5840 wrote to memory of 3744	5840	2026-08-09_6712eaa3e447df1d4883970ef97cd9d7_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-09_6712eaa3e447df1d4883970ef97cd9d7_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_6712eaa3e447df1d4883970ef97cd9d7_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:5840
- 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:3744

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:3896

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 7cb08681ea64c43ee469509cc1176353aa8d4e10716ac4043d8c31267b7345cd
MD5 6003d0cc45a7589620193f1310b94d00
SHA1 7472e5c606b8e4f0f6ef720ac2fedc2f951a04bc
SHA512 6248fa72fea5e8b6805504a50b9ea7fe66f3a02d3540f8f1ffcfc1310a7684f243ca2c7f8e7638410c5a9b5393502003abbe326b48c4ca5687dbeb6928dd5b09
SSDEEP 12288:xC0s92EXg6mV4BXL/0lcmCi37xaiiiIoez1zfSmzYnINF+zuvX:DsM+tmIXLcyuxLFO1zfSmEIN/vX
TLSH
T1F8C4220372E28931F42242B80665DD7506BFF9BA5A719D67378421CC98F32D02F7AB5B
MD5 SHA1 SHA512 SSDEEP TLSH

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vTRzw2rtiySnwgN.exe

Path C:\Users\Admin\AppData\Local\Temp\vTRzw2rtiySnwgN.exe
Size 95KB
SHA256 a358be8911788a27a3d01a06f9e505c6926f55ba185ed0fcc17ac6ad2c5dba5c
MD5 a6cc44ffb4b6898e33d81e93956b431c
SHA1 580b449442c037a1de805aad1a70c02f5086ffe6
SHA512 46aef34ad4c8b3ee702b05fbf9f009db0811f1e6978df92e19220d205dca0a66dacf81dab7a59ed4a468936a2ab5ea40cbf04ed2a3185f69436bc06d8e58a47a
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTnzogfdVVvqzxlS9jErWo:ZRpAyazIliazTnbVVSzrSdEL
TLSH
T174939D0376C2C170E4B70A7609A9CE6007BFBE765EB1CD573784609E49762C09E3AB67
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