daf891e91f9cf0219fbd39d91bdcb5455f4e37b362a47ff4a7a65792b0dbebd4

General

Target
2026-10-26_9d2dc7a6e9a331a3b29f9657397422d1_bkransomware_elex_maze_rhadamanthys.exe
Size 422KB
Sample261027-mt7fcatsgw
SHA256 daf891e91f9cf0219fbd39d91bdcb5455f4e37b362a47ff4a7a65792b0dbebd4
MD5 9d2dc7a6e9a331a3b29f9657397422d1
SHA1 395e667d3d495a9bf90ac6544caa0a9276ee0946
SHA512 984eb0d8e84797572963c9f65d8420022358c05f8664cdf55076547f59e12dd282448fea06685130cf4f8637b2d7123ab226337d22bf3bacfc77f7801b2bf1ff
SSDEEP 12288:hS0u2yIUOEKEIUt0qVxN5fD9v4pyQEDG1xD:DuUyFxzfpDaP
TLSH
T142941203B6C2D130E0B242B256749E61169FFEB25BB68F87B3D4B54D49740C06E29FA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4360	CTS.exe
3448	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"	2026-10-26_9d2dc7a6e9a331a3b29f9657397422d1_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	2026-10-26_9d2dc7a6e9a331a3b29f9657397422d1_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	2026-10-26_9d2dc7a6e9a331a3b29f9657397422d1_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	2296	2026-10-26_9d2dc7a6e9a331a3b29f9657397422d1_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4360	CTS.exe
Token: SeDebugPrivilege	3448	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 4360	2296	2026-10-26_9d2dc7a6e9a331a3b29f9657397422d1_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-26_9d2dc7a6e9a331a3b29f9657397422d1_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-26_9d2dc7a6e9a331a3b29f9657397422d1_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:2296
- 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:4360

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:3448

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 1.5MB
SHA256 47552cc44f7a2577f93b4f6a3a6dafeeb8883485745ad953b3557a9d89f41850
MD5 343f092e2ed0e71e564fad456271ba01
SHA1 614ac25e6b728063f0776ac58c21bab085aca088
SHA512 68c34209d33918e0b5bdb3981338f454e93d22657bd1f9f2cf915759a18e0cd24f510bab8867d501e1ed255798b3fe872b2926cb84c058ae7379fa5bc53102b9
SSDEEP 24576:DGOhjcFwKMqGT2SlaGbobwn2829uWVAmayosXIgNI++V9iH/9LVzkMT7GFS9q1FC:DVhYhc5dXn2/u3m3XI6+qfRVzfPCB/xw
TLSH
T18E6533457AD4A030F0734E7A16A0C259622FFF321DBCDF12379DE14E49A2AD05E78B59
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

JjyYUAflfUpq8sR.exe

Path C:\Users\Admin\AppData\Local\Temp\JjyYUAflfUpq8sR.exe
Size 422KB
SHA256 38c4aa60a70bb01f15c0044d6efca55af65f44b12eee0dc14bc7194adb60b776
MD5 cb17e6150dff04d781517cc362339324
SHA1 735abf3c8861dea04a641acb8f994ab58b8c0e6e
SHA512 baa808da1d26fdb8dec6b90f32c21c2511c224c1c257d73b29462fbf2d993273bae4fc96fb4b9d1b9c78d54e42b5cf487cdc4bba584e59e6e29fa9123895d699
SSDEEP 6144:hZMazmtrEV57igfy9dPPlqNYCtzueuxnSOMj+Y+MaMiP9xi23pBsbyje0d6BpZ8Q:hS0mNExWdPP0XuDStvaMiP9xVpBsba2d
TLSH
T13494120339E6C8B0E1B703B610954E214E7F39355BBA9D2B338951CD19A51D1CE3ABBB
MD5 SHA1 SHA512 SSDEEP TLSH

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JjyYUAflfUpq8sR.exe

Path C:\Users\Admin\AppData\Local\Temp\JjyYUAflfUpq8sR.exe
Size 351KB
SHA256 5fb4daebe0d5115e49caeb52f227ec04cd823aa21396516fe64492ef915424ca
MD5 aa8de0cdc360494ee8940461dd99c0ff
SHA1 a56192e30e965ef142a8ec75e48d26343ad9da71
SHA512 dbd4829faca9674f2f04959cc1b1cb5f8bbacb05a42147caf3ceb54682d3080447814949e3f262335f77d70c1f821d260537f183c22641c84897bcbba113cb9d
SSDEEP 768:Y8GMxWMXYNycOKT3DgJgW9lzOFCTeD9huJb7rX9dh/7KmY1:dU0YxOmWreD9hm92
TLSH
T19D74D384D0D364136B79A505B3A18EDEEFB1C193A9C47850705D37BB9F328890E4BA7B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

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