b4cce4c85243373772b7ab85ddeef4e954bf9019363cfc35956ad88d83221dc7

General

Target
2026-07-01_a23591f51f64b047c3b66f0c300fc2cc_bkransomware_elex_maze_rhadamanthys.exe
Size 395KB
Sample260701-xfehhset7w
SHA256 b4cce4c85243373772b7ab85ddeef4e954bf9019363cfc35956ad88d83221dc7
MD5 a23591f51f64b047c3b66f0c300fc2cc
SHA1 c839f64fb6738ced29e402c086dda1e971c566e7
SHA512 f4beec0b9534eb1c07a8ff682cfc17d6ed04afcc246dbaf910366a57ed4070fb186b532a89bc9fb2b3e556f21c5d7367f57a5467ff8daef5b9e9f11832a219fc
SSDEEP 6144:xZ8azDlF6TAYD32OXXnAwkBmzttTVL5qySQLcQMwHLXGFd5HCjCyGiEd:xC0pYTdpXnY6PV0yS6cQMWLid5ijZnEd
TLSH
T14C841253B9D3C075F4760A3289B6CEB9436F7EB669719E0733C4204A85346D09E38BA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
5824	WHdrw4PMzQ6tmct.exe
5828	CTS.exe
2192	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"	2026-07-01_a23591f51f64b047c3b66f0c300fc2cc_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	2026-07-01_a23591f51f64b047c3b66f0c300fc2cc_bkransomware_elex_maze_rhadamanthys.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	WHdrw4PMzQ6tmct.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-01_a23591f51f64b047c3b66f0c300fc2cc_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	5496	2026-07-01_a23591f51f64b047c3b66f0c300fc2cc_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5828	CTS.exe
Token: SeDebugPrivilege	2192	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5496 wrote to memory of 5824	5496	2026-07-01_a23591f51f64b047c3b66f0c300fc2cc_bkransomware_elex_maze_rhadamanthys.exe	89
PID 5496 wrote to memory of 5828	5496	2026-07-01_a23591f51f64b047c3b66f0c300fc2cc_bkransomware_elex_maze_rhadamanthys.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-01_a23591f51f64b047c3b66f0c300fc2cc_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-01_a23591f51f64b047c3b66f0c300fc2cc_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:5496
- C:\Users\Admin\AppData\Local\Temp\WHdrw4PMzQ6tmct.exe
  C:\Users\Admin\AppData\Local\Temp\WHdrw4PMzQ6tmct.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5824
- 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:5828

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:2192

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 515036fa3140c99b34f354e85757b2caa2df96d5cbd29d711f8715338c0dfc79
MD5 7f69687a5819a7e453104522506f5331
SHA1 5cb7558eabde04ef17932e6d3ce5a5bcc80ac062
SHA512 552dfb3f32c58b54949c0f9be91d16ceb642b8bf83a63d399e483c094c0dde4c6a112f4a30d8a21bf2380a3adfb48635798ccbbbc4da0d5301fe6ea9f9f2bb66
SSDEEP 12288:xC0dMKipnsgShMudZ6/JFLNSrxtFaKA1ux5wEJeY/Uh:Dd/GShMufYJFLKxfH/pch
TLSH
T10BC4221771C2C2B2E9232A3509A98E590B6FFE765AB08F6653D465CC10B26C09F33F57
MD5 SHA1 SHA512 SSDEEP TLSH

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WHdrw4PMzQ6tmct.exe

Path C:\Users\Admin\AppData\Local\Temp\WHdrw4PMzQ6tmct.exe
Size 395KB
SHA256 419012747ebf9cfb3617b67013005cad4c5ac3edc2f826c6123f6dd6bb4cf724
MD5 33071d849977d7b93a525e456dc70af1
SHA1 825b1ff473dea51dd0162f13ab5e98410d8b39fd
SHA512 1ba2ba3334fed1ae78fc1146f030841593222ad8e6205dee1ee225c42ea4d8603338305e233ff23bded7c46afa8e5939bb6242408d60c966e38f0ea2f18e5f0e
SSDEEP 12288:xC0ZmUlAoZmTo5b28AvIFdh6wNdHZmR8wjzh:D7pQTo5VA8dh6yd5Hwvh
TLSH
T1EB84126775C2D1B1E27B0A3040BCCD540BAFBE312AB19D57A384219E9B746C18E39F97
MD5 SHA1 SHA512 SSDEEP TLSH

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WHdrw4PMzQ6tmct.exe

Path C:\Users\Admin\AppData\Local\Temp\WHdrw4PMzQ6tmct.exe
Size 324KB
SHA256 9e2631c19b243c28b0980607ced2540e9447b1166572483475547c1a9dd4ac0e
MD5 7187ae605f4dce14bb23ea2623956335
SHA1 f7c1df33b875c98f41dcde24117d89d42d25b7ce
SHA512 f64522e2fb6bb61884fe53c34e79b355efb9ec33c02b2cd67d729af7d763e7b3873a5c7ce6ac7bb4567e6bcf8c70cadbc66f511e8bb151ab05096a832032bc8f
SSDEEP 6144:J5lqo52kDzMYDJSi7+Ni2ER9Vh98+1PrEVhkQf0huIDaLOjm:JMqzBDJkk2ERvT8MPAf/O6
TLSH
T1E5646B127FF4D47AD6430232CF59ABE1E1F993A94920094327C41A2CAB758D6D379F2E
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