0ba36bae5c20b298cfc1e837730bf96c5d9ef0e0991b7c660b367d0213367d28

General

Target
2026-06-04_d85c1fd5596edefbfc304253455d6129_bkransomware_elex_maze_rhadamanthys.exe
Size 391KB
Sample260604-rpbv4ags71
SHA256 0ba36bae5c20b298cfc1e837730bf96c5d9ef0e0991b7c660b367d0213367d28
MD5 d85c1fd5596edefbfc304253455d6129
SHA1 b0d1367b66e04f73a890eaa8cca89a5b6ffed9d5
SHA512 f2e5960ea89ca8da3eeb584dcf171ecb92d02abf86c72eb5f9bb565c7466a8152585c1cfe5abb979168f28368832cbef0cfc6e2c62b64e78904934709fda614b
SSDEEP 6144:hZMaz0Bcj3SmGd6ACds5xID2DId5O3v+5g/IXu6LCwXk:hS0xjimGd6ACi5gk2W01CwXk
TLSH
T1E584122775C1A270F037463659AAEE5002BFBE366EF08D67338461DE06741D21E79BA3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4996	CTS.exe
4948	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"	2026-06-04_d85c1fd5596edefbfc304253455d6129_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	2026-06-04_d85c1fd5596edefbfc304253455d6129_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	2026-06-04_d85c1fd5596edefbfc304253455d6129_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	3948	2026-06-04_d85c1fd5596edefbfc304253455d6129_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4996	CTS.exe
Token: SeDebugPrivilege	4948	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 4996	3948	2026-06-04_d85c1fd5596edefbfc304253455d6129_bkransomware_elex_maze_rhadamanthys.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-06-04_d85c1fd5596edefbfc304253455d6129_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-04_d85c1fd5596edefbfc304253455d6129_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:3948
- 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:4996

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:4948

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 5b56c63651d43cc2127f67fb51d7ed532a725806e41addb580a3d7816be1d90a
MD5 b7c4b25c26ac3374afe8a2baa2140ca2
SHA1 c26f8ff203fb7afb3d4947a75a0474d9ea4b337b
SHA512 eaba014f1d56c7822dcf4b928197f71828538d5cd414aeba69b72c0b28b420bfb3fef8e4b255a2e2884ba4f1770b7b6318b7823d8af48669b8c48b9daf11f26a
SSDEEP 6144:hZMazP9r9ap3lvu/+zi4Q9dwp0gGM4OGItwdj2CJ0W6xgwPki7ZTsMR7KDy9rUu0:hS0VzGbQ9dw6tNIWj3OW6uwMLy9Iu0
TLSH
T10E841213B6E2823AF0B707760975CE91422FBE309EB54D673394A09E1A704C15F7AB67
MD5 SHA1 SHA512 SSDEEP TLSH

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K9G1YsMdvsqTBQG.exe

Path C:\Users\Admin\AppData\Local\Temp\K9G1YsMdvsqTBQG.exe
Size 391KB
SHA256 56a0d12af1f01b7c46ce2b3d18925804f462fa10da80c0cae59e8385c01b9cf1
MD5 fbb5294221e92a1fbf3b6507c1cb884c
SHA1 2d51848f98ad04cff5277a55f7f87a24ccd85f06
SHA512 fa1f6442f946d446e71f30e946d0861daa5a95e6fbbd3c4e41c848b5f4fb87bc95461cc6e65c1dbd58643219669df726707198263d9f682f7b784f63ccdf27ec
SSDEEP 6144:hZMazir1u6uSivsUQK75Ith1P+5VS6e3jtKC:hS0iu6uSivsUQK75Ith18ViTtv
TLSH
T109847247F012A553EB8E263D43B085FB0DF5915BA6C79C42705027FDE822CEA0D96BB6
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