96bdb91fa83ee23dde49045c33b515d01b2c91681cd09ec9b5095d421bc7c471

General

Target
2026-06-03_d138aff50f6a5a89ab0ff842902fe0ce_bkransomware_elex_maze_rhadamanthys.exe
Size 391KB
Sample260603-msvedsev2k
SHA256 96bdb91fa83ee23dde49045c33b515d01b2c91681cd09ec9b5095d421bc7c471
MD5 d138aff50f6a5a89ab0ff842902fe0ce
SHA1 10ad002cfaf61118a1d3c17bf00a0538171316a6
SHA512 632502bacf0307da41071a0f1c6f6c4ccfdd063d86c75f681b3a4edc268f03f2a4a63b0bec75a7dce3ed78c4e38709f09393f0c6bef8a74c74b6efe5a27219bf
SSDEEP 12288:xC0G2GlGg6EMd+v0YjJ+dLBr9aOCplyJGZM:DG2GQURjJSaOCpIN
TLSH
T1FC84121372D1C070F0B7073589B9CE560ABFBD394AB29A433784154EAAB36C05D79B5B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4532	CTS.exe
960	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"	2026-06-03_d138aff50f6a5a89ab0ff842902fe0ce_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	CTS.exe
File created	C:\Windows\CTS.exe	2026-06-03_d138aff50f6a5a89ab0ff842902fe0ce_bkransomware_elex_maze_rhadamanthys.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	2026-06-03_d138aff50f6a5a89ab0ff842902fe0ce_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	1604	2026-06-03_d138aff50f6a5a89ab0ff842902fe0ce_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4532	CTS.exe
Token: SeDebugPrivilege	960	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 4532	1604	2026-06-03_d138aff50f6a5a89ab0ff842902fe0ce_bkransomware_elex_maze_rhadamanthys.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-06-03_d138aff50f6a5a89ab0ff842902fe0ce_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-03_d138aff50f6a5a89ab0ff842902fe0ce_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:1604
- 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:4532

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:960

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 391KB
SHA256 839c9a248b90f1c52ff677d72d25dd37c4d65adf067717ae92b8f3ba5929fcd4
MD5 af1b796228bfc5a3ac22925ddef95182
SHA1 1b59e6284935d96a07494eb90e3270d0a7f4f0e8
SHA512 5b9ba5f50e0b40c84d14206c6839d8504a088e46155f76bb0c9bfc483c155bf9cdd0db5735b3dd30a9afbadb5c56baa54ea2428e53317ae285a3ed98594b5999
SSDEEP 6144:xZ8az8FltGtSe1/zAOulrJOnHWPhRc9l0qQQlBk7ws7G0CDmaw1sE3t4G:xC0Mt+S0rAFrJOn2Q0Xmk0sfyMsE3mG
TLSH
T12F84120376D5C074F4B746B28468CA6007EF3E718AB19D0B37A4788E45B9AD42E35B6F
MD5 SHA1 SHA512 SSDEEP TLSH

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8cvqNgD6kJGrqqo.exe

Path C:\Users\Admin\AppData\Local\Temp\8cvqNgD6kJGrqqo.exe
Size 391KB
SHA256 86f791c2181ed256ae5fe9e1abcd115b7d4b2f48d0c5528db6301ca986c472f7
MD5 d993e6d9aeeeadd0abe7a84ea4aa5026
SHA1 39d4077d78e810498705422e0a13077c12cae50a
SHA512 b6cb07962a6cb4ef8f21361e9aa1d3479dc36c4c9e87bcfc9cad1cbef63b260b30c35f9f059915cae3a0df858bfbaa3117ecd80fa054f75e91cfd0d39d14a8a7
SSDEEP 12288:xC08s8GQp78YzPDYECJu/359AWsld68g3E1JRPwq:DdnI73b0Ju/n0D68HRYq
TLSH
T1568412237AE280B1D875073608B98D450BBF7DB46EB2C95773C8129D27756C09E25BB3
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