4000fd0e9264277c2165e1b698a80862358d5083cdfd67dd62ec4d280b6bae97

General

Target
2026-08-17_381dd1d4f0804bc5e0106b0d3cfa66bb_bkransomware_elex_maze_rhadamanthys.exe
Size 391KB
Sample260817-tk8elscd49
SHA256 4000fd0e9264277c2165e1b698a80862358d5083cdfd67dd62ec4d280b6bae97
MD5 381dd1d4f0804bc5e0106b0d3cfa66bb
SHA1 febfed4e78093436e8e06eee61b4c5a110334282
SHA512 1d07c5216197ce875f32012176ca2624c324cd4fbb4f6c145b6f0f535b32dd8d021f2b0bb28d4f969bcbb22a5f4c46363e37337f6305d6d11209dd5d1553be1e
SSDEEP 12288:xC0uMrVbqRny5Nq4h6qUGjrH9vTaZYmHO:Db5KU44kqUovmu
TLSH
T10784120737CAC0B1F4B3567214D8CE980B3FBD611BF68C662788249D54792D16E6AEB3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5372	CTS.exe
240	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"	2026-08-17_381dd1d4f0804bc5e0106b0d3cfa66bb_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	2026-08-17_381dd1d4f0804bc5e0106b0d3cfa66bb_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	2026-08-17_381dd1d4f0804bc5e0106b0d3cfa66bb_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	2364	2026-08-17_381dd1d4f0804bc5e0106b0d3cfa66bb_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5372	CTS.exe
Token: SeDebugPrivilege	240	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 5372	2364	2026-08-17_381dd1d4f0804bc5e0106b0d3cfa66bb_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-17_381dd1d4f0804bc5e0106b0d3cfa66bb_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_381dd1d4f0804bc5e0106b0d3cfa66bb_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:2364
- 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:5372

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:240

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 be9a10a810742c97baa64098c8c3250cd509f2d5e77cc3c731dbb622a0129d65
MD5 63c448c6160989990ecc01bd40cf5d7f
SHA1 1dacf0c507fee126fdb1934c95dc17c379469a7e
SHA512 fdc3a735f43f3a792216ba666e088c44da238ab18f54644b8d7985d5436adc86fec6753e3cb681e1a2e3bf29e6aa9f0e4eaeba04c354d5b0cfa055cef5b2b91c
SSDEEP 12288:xC0EVtuorSA6FnK0yJni/mCVfK/6wRz6YxDThvJp:DEVtu2SnfyJgmCVfVwl6YxDFvJp
TLSH
T137C42207BBC89030F476047209750C216BAF3EB50BB59D6723C87A5E4A7A5C0AF75B97
MD5 SHA1 SHA512 SSDEEP TLSH

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u37R4tqx6D7hBV7.exe

Path C:\Users\Admin\AppData\Local\Temp\u37R4tqx6D7hBV7.exe
Size 391KB
SHA256 0af1556a505cd42aad5a49ba1d1964e33f5f7decce58b98c3e4a2f661fe3a79f
MD5 37bb4558f5d3d6e8543578699e3fb4fb
SHA1 518fed0c7f24dfd1aaa47e5a99e6653ab97d5ff4
SHA512 134a41fedb41c077066b78eab828564087afe0f5d405ac56eb869c8f1591f51b3d4cde7f88a522793f934a19c1a7643b9a5602c935982b76bea7472401b99645
SSDEEP 12288:xC0fVE/jHcgB7DWodeDogY89Uk5fAafI6:DcwgB7yod879z4afI6
TLSH
T11E84120772C081B5F1BB1E36049ADF5106BBBD352A708D8667D4298D42BA6C09F3DBB7
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