8029c00a4782fd29a630afd37d389b96374b1ec996b57e1140477a57e51fe738

General

Target
2026-07-15_a376c485bea150d465d088181cea6b5c_bkransomware_elex_maze_rhadamanthys.exe
Size 557KB
Sample260715-nrbfkabs3k
SHA256 8029c00a4782fd29a630afd37d389b96374b1ec996b57e1140477a57e51fe738
MD5 a376c485bea150d465d088181cea6b5c
SHA1 b24edf2c47215d584d72582d827071eede080f86
SHA512 aa63c67ec3295e4497bb9154f77e8a58d179e8caa88b915f0bfdee028cd04953c6d2ba1750dc25b2cde1e13e0ae218eb1b3da8330f4adf62e5abb23091b64507
SSDEEP 12288:hS0Z9XMSSr10CtL/nHZsMYAibePWWUi5k:D3+r10iDnHGMYAmnyk
TLSH
T135C423037BE9C078D16A0E3405A8CDA1496FFEB26AB24DA777C0BA1D11F91D1CE25B17
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3144	CTS.exe
3788	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"	2026-07-15_a376c485bea150d465d088181cea6b5c_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	2026-07-15_a376c485bea150d465d088181cea6b5c_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	2026-07-15_a376c485bea150d465d088181cea6b5c_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	5024	2026-07-15_a376c485bea150d465d088181cea6b5c_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3144	CTS.exe
Token: SeDebugPrivilege	3788	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 3144	5024	2026-07-15_a376c485bea150d465d088181cea6b5c_bkransomware_elex_maze_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-15_a376c485bea150d465d088181cea6b5c_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_a376c485bea150d465d088181cea6b5c_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:5024
- 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:3144

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:3788

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 164d9b38070036b1f7ddf943e98fe3bad14e181bbf2ae4aeda1d51ca88321709
MD5 de46455e781174492f5a78b10cd623eb
SHA1 5d5b24be69729d9c06f86657755c85544f5c57a0
SHA512 defa3a8eaa7c182bf0b3fc1537e8172e922c70f813e05f8208d0ecc0884ea631681b710ee20929365e2227aa7a847804d429f78836da548719e8f28fd383b85c
SSDEEP 12288:hS0ZusKe2rWVe4HyIGkjuUJvfsTQHeVjdXBqrmEIA1o3:DZusZ2qVTH1jHJv2Q8RqP14
TLSH
T156C41223B286C170E4B24E742AB9CD6515AFBE365E794C873780248E59F44D08F2E77B
MD5 SHA1 SHA512 SSDEEP TLSH

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YwKw3XtXy2jvvAo.exe

Path C:\Users\Admin\AppData\Local\Temp\YwKw3XtXy2jvvAo.exe
Size 557KB
SHA256 1715e9354dde86ce31216986d3dfe59ca6900a53145216219e7e706753c1cac8
MD5 51c33b08edb228daaaf66df75e2a69b2
SHA1 534efd797cd32b7ab0443629c969e234a93c148a
SHA512 3395984042768efdf541cf308204abd0b0f651fb819b6418f49c0c3e0c92524140143336a317c982aa5914e21bd33f704b159b123a2e3a3c8e4325482653e582
SSDEEP 12288:hS0CfgEIOg0AwOLrOcEXCtHs75rylrA7rDEhfuRt8SARzNq:DC6PwgO7CJu5rRGMKZG
TLSH
T18DC4124B73D6DA70F0328A7A8CA98E1A526FBE716F708E076394705E08751E24F61F53
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
TLSH
T119636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
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