d2a50b1cdfbf0d469a7376b767f0d614f41aa0d455c733edf3bf84a6c4243942

General

Target
2026-08-14_664a73e50cf19fa43d70222aa239abad_bkransomware_elex_maze_rhadamanthys.exe
Size 1.2MB
Sample260814-evywlavblh
SHA256 d2a50b1cdfbf0d469a7376b767f0d614f41aa0d455c733edf3bf84a6c4243942
MD5 664a73e50cf19fa43d70222aa239abad
SHA1 7f50482401189f906fab537e5e958c514e56655a
SHA512 d5e01eb1b1b0c28f2fbe79fbdf2a9dfd287d285a04a58518740c94a5ed91793d71b4c1e425c256ef1523dd35a39af5e28a7d59d3f009267d739b41a7a6070065
SSDEEP 24576:D/ATbEIncPjdzG5CnlC33UrS7gcsLKWbw6gX2VNyYLxAfZyua:D/AT44cPjdzxlC33b7gcsLl5vDLxAu
TLSH
T1C555235331E7EAA0E0E7043602D4DB91456FFEAA9D7167877EC840AE08742C15E2D7B7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2604	CTS.exe
5632	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"	2026-08-14_664a73e50cf19fa43d70222aa239abad_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	2026-08-14_664a73e50cf19fa43d70222aa239abad_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	2026-08-14_664a73e50cf19fa43d70222aa239abad_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	2026-08-14_664a73e50cf19fa43d70222aa239abad_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2604	CTS.exe
Token: SeDebugPrivilege	5632	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 2604	4884	2026-08-14_664a73e50cf19fa43d70222aa239abad_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-14_664a73e50cf19fa43d70222aa239abad_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-14_664a73e50cf19fa43d70222aa239abad_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:4884
- 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:2604

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:5632

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 1aaf8b178f53bfb7f34893de04a8efa6744839aaaa09eb9b9d79197729415f5f
MD5 b2a95e405223655a04a168f333c6069c
SHA1 9d81c1e51f3e31f67c718a7b26e9cfb50992fe9f
SHA512 74eb650e311b50e2cfce9004300c0a199a48c67ed441e32263659da044ca2f3872d8c05b13d18c7c2a32514b468b91daaca2ddff8485b2e55bf51164b13b13e0
SSDEEP 12288:xC0E7vBBUHhSZ4kOGCsUrc23fo6Mq1MBk6A53PVuS1wr5CKELlC:DMUs4oCsYpMq1cAeS1wrIpLM
TLSH
T179C4122376D2C035E0A3123661AD9D91466F7EB29E754C8333C065CE66B27E04E37BA3
MD5 SHA1 SHA512 SSDEEP TLSH

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JgfenTny87JVvwF.exe

Path C:\Users\Admin\AppData\Local\Temp\JgfenTny87JVvwF.exe
Size 1.2MB
SHA256 44966d3bf60d2074c00752a99e047fd2315a666c4a3d51af31e330bc2cc7031e
MD5 962a1800970d58736e4f45e958f5c31d
SHA1 14edd4559a7cf9a356816b17a4ffa5700e264f83
SHA512 a4e9c66d6ca662084ccf9353936ae388bf3b32155af590c59030ea32d815198b8ee57fb5434baf2a80234cb5dace8087250c22c0726106e71d54666b59045c59
SSDEEP 24576:DOGiIiaaUbDQ8/zNCdvvouSVkR6TtbqO6+DO9AHSyqOeihxI7fXsDtVkv:DFiazb88/z0dv9QTEVyOCSZCy7ffv
TLSH
T12C55231BE3C1C2F0D0760731CDEC8EA1076F7EBA5DB61EA62794432651662D42E287B7
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