16fc73875c00dd55c22a5b0b474120804749bab9bf16a49aba8e7778bdee6f00

General

Target
2026-06-01_7789f351010f3dbb3028f6c4c327a367_bkransomware_elex_maze_rhadamanthys.exe
Size 391KB
Sample260601-py4alacv81
SHA256 16fc73875c00dd55c22a5b0b474120804749bab9bf16a49aba8e7778bdee6f00
MD5 7789f351010f3dbb3028f6c4c327a367
SHA1 6976fbfbf95b25d8c65fb9cedafffa285db93d0e
SHA512 8d9de73b1718475f7a509e506aad135d4200a25b9f450a3c3574429aa3b7985f89cf14f8b0220fa6c82a809f8bd8c6a43adf81d6143b2fa69b8f1cf9137d5671
SSDEEP 6144:hZMazCRZ0+P7yEuebzPuoqQQj3OsfDAXU5e3fpUgJHF/iNKenhAmqxktF5qNC17v:hS04P27bqdXU5CnTih8Q5qs9Z
TLSH
T10884120377D8C170F4B64A70496A8AA00E7FBB355E738D673390619E09356C09E7EBA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1312	CTS.exe
5284	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"	2026-06-01_7789f351010f3dbb3028f6c4c327a367_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	2026-06-01_7789f351010f3dbb3028f6c4c327a367_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	2026-06-01_7789f351010f3dbb3028f6c4c327a367_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	4916	2026-06-01_7789f351010f3dbb3028f6c4c327a367_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1312	CTS.exe
Token: SeDebugPrivilege	5284	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 1312	4916	2026-06-01_7789f351010f3dbb3028f6c4c327a367_bkransomware_elex_maze_rhadamanthys.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-06-01_7789f351010f3dbb3028f6c4c327a367_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-01_7789f351010f3dbb3028f6c4c327a367_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:4916
- 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:1312

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:5284

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 45c2f1e9357139073b85e6fd01afaff16f0d645b8402964d26b943cb19778dcf
MD5 7911bcf22b4a71b2a56319872bf72fb3
SHA1 0ca873633106c1e1b92e3eddfa50595e4b273ccc
SHA512 ff877543223c1aa57add67bfc7116e1d1a94aabcaba1f3ae41a2a9eeb5628ea34054ff1a49a65f5014eb8d8089fb494837524bfa9a2092b2ae613e7cd221c7e3
SSDEEP 12288:hS0eAK3ode3yVaSSs40gv5nl42up0yl2LG:Def4e3kaIGwTlKG
TLSH
T1BB841213BAE19170E4B78B3308B8CD12467FBE751EB49E97739860CD09265C18E75B93
MD5 SHA1 SHA512 SSDEEP TLSH

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BohphHTl5iXKhyh.exe

Path C:\Users\Admin\AppData\Local\Temp\BohphHTl5iXKhyh.exe
Size 391KB
SHA256 6ecc4010784141496caf9647e8c32431c3cd45ff2d0c03e25727ac1c7e9b48a3
MD5 2843a4c7b1c384bb0a744f9c388ef1d5
SHA1 80cc2e595ee5ac8fa28fdcaed3efde74d990cf1b
SHA512 5e1164a25a73bd128df66d5a645cd3df4fe3493fef911dd5733b5629baaadf937b8eab16429ba2daaeaa77cea1080c8ef0edb3e201170c91e19c700da45054af
SSDEEP 6144:hZMazQHl6xLCPVHxfm5gxJtonOMwMlD2GRlmmgGezs2d+i3cgp9a7o/8nJH3LcTc:hS0+IURfGgxX0KSRlmwf2kz7o0J7Ic
TLSH
T1988412137AC1C4B0F4670B3A08B49F1556BF3D781AB68E4377A4248C527A6C05E39FA7
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