79eb93d0b215045c04f738b9389a33f6b47e265822dda372236982bf28fefbfa

General

Target
2026-05-11_c0b003c72066d0662459f2d2970b5c70_bkransomware_elex_maze_rhadamanthys.exe
Size 393KB
Sample260511-kphv3sdx4x
SHA256 79eb93d0b215045c04f738b9389a33f6b47e265822dda372236982bf28fefbfa
MD5 c0b003c72066d0662459f2d2970b5c70
SHA1 027ad16c1e101c5ab0be522220995e16b72e9897
SHA512 9c94a58d94b61228de08d0968cc478f0096b5a3bb474ec8cc8339981bf71f069e1d84099678cdf84814ca5590985cba7356e347c48af63476b721b16c3573b30
SSDEEP 6144:hZMazivc539m5IyDAgVC5iSCDprYFAmmyXSk+UUNulb3Kb1LVe9AAQnRb:hS0ikpRy83XCDprvBRZc9QRb
TLSH
T16D84120375C2C530F47B0A320658DA504B6F7EB65F718C5B33A861AD1AB52C14A7BBBB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2228	CTS.exe
1740	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"	2026-05-11_c0b003c72066d0662459f2d2970b5c70_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	2026-05-11_c0b003c72066d0662459f2d2970b5c70_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	2026-05-11_c0b003c72066d0662459f2d2970b5c70_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	2352	2026-05-11_c0b003c72066d0662459f2d2970b5c70_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2228	CTS.exe
Token: SeDebugPrivilege	1740	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2228	2352	2026-05-11_c0b003c72066d0662459f2d2970b5c70_bkransomware_elex_maze_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-11_c0b003c72066d0662459f2d2970b5c70_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-11_c0b003c72066d0662459f2d2970b5c70_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:2352
- 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:2228

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:1740

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 8424d764ae79f22d2c634e8118dceda15abfe203eca6abb4496feeaec25c1268
MD5 79e27d60bd0c4a53f3ea8c6e157cd365
SHA1 026d57c8a3f2e47f012c05e2b4e28c1c46e4dfc9
SHA512 83a6c99d3681651da44ff6b261fa8087ba1b8b98f36a7e129fd471012cc8d99b5c52fb323c2a9eaff832e18a92d0f8acc4ea86bb6caf0dc893fc49afeb48f00f
SSDEEP 6144:hZMazX8AjpO2zVGFToeZ3WkAVqrhwdzj2JUSeAQ8jxupC4/Rmu/qsBAyZ:hS0X8A9MseE6rhUeoxUQpBAS
TLSH
T12D841253B2C2C479E4A106B509659EB00A7F7D725EF0DE6A77881A8D09741C08F7AFB3
MD5 SHA1 SHA512 SSDEEP TLSH

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KC9PPrqDgie3Eiq.exe

Path C:\Users\Admin\AppData\Local\Temp\KC9PPrqDgie3Eiq.exe
Size 322KB
SHA256 264d9b96c4451c81c84ce51383e8e7d09742e7623c372755babeb07085fc4f6e
MD5 1c0eb8119ca03033dd9535dbdc9d97fe
SHA1 814747cb7d91da069db1f6d49f80e6a52dec74f7
SHA512 61475d0f63226831ba77e2acf82683bb4414417364daf20e18c6276df77a1e115a29138cbfa255a45444a94d5c51304b0881ee0b0145c8f1e9a5cb8930edb26a
SSDEEP 1536:42/zod+dUl8Ph1u6uSivsUQK75IthKoLe2Xu8:VxUl8Ph1u6uSivsUQK75Ith1XV
TLSH
T1D464DD87F012A5536B8E263D53B085FB0DF5811BA6C79C42705027FDE827CEA0D96BB6
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