8e5ba7dd7bf1f97ac79bda7d19cbe416dada4626cc12992b7f8c3653541172a1

General

Target
2026-07-23_0dff62689ca9e4b180f6f833ff134b69_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260724-arcrqszemc
SHA256 8e5ba7dd7bf1f97ac79bda7d19cbe416dada4626cc12992b7f8c3653541172a1
MD5 0dff62689ca9e4b180f6f833ff134b69
SHA1 a222af6e151d2d24222364a81ab90876be929ba2
SHA512 07d0b0f61a3d90dd20572d681073b5daa7ca5a7b427642859762084f86aa024ccf6d6936c7db464b19f7842db034943e06d4a3b9a46a499e881733b7c36e24b1
SSDEEP 49152:TN4QUoXWLVwLr5kvi5wO6bAHyoFUY7W9YvYD9kis49b2d42OD0mzgIVZsY:TNQJwpTqtAHyoo6YH3sd4V0mzgIwY
TLSH
T174F5330A3AD95560D1B0473909F9C8B115EF3822AE1028A3B2D4353B5F78FDDDD689EB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000019cc1-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
2512	Fr4RVijca5a5I43.exe
4268	CTS.exe
1896	Fr4RVijca5a5I43.exe
5840	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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-07-23_0dff62689ca9e4b180f6f833ff134b69_bkransomware_elex_maze_rhadamanthys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-07-23_0dff62689ca9e4b180f6f833ff134b69_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 4 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	2026-07-23_0dff62689ca9e4b180f6f833ff134b69_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fr4RVijca5a5I43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fr4RVijca5a5I43.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4536	2026-07-23_0dff62689ca9e4b180f6f833ff134b69_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4268	CTS.exe
Token: SeDebugPrivilege	5840	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 2512	4536	2026-07-23_0dff62689ca9e4b180f6f833ff134b69_bkransomware_elex_maze_rhadamanthys.exe	89
PID 4536 wrote to memory of 4268	4536	2026-07-23_0dff62689ca9e4b180f6f833ff134b69_bkransomware_elex_maze_rhadamanthys.exe	90
PID 2512 wrote to memory of 1896	2512	Fr4RVijca5a5I43.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-23_0dff62689ca9e4b180f6f833ff134b69_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_0dff62689ca9e4b180f6f833ff134b69_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:4536
- C:\Users\Admin\AppData\Local\Temp\Fr4RVijca5a5I43.exe
  C:\Users\Admin\AppData\Local\Temp\Fr4RVijca5a5I43.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Users\Admin\AppData\Local\Temp\Fr4RVijca5a5I43.exe
    C:\Users\Admin\AppData\Local\Temp\Fr4RVijca5a5I43.exe --crash-handler "--database=c:\users\admin\appdata\local\Google\Software Reporter Tool" --url=https://clients2.google.com/cr/report --annotation=plat=Win32 --annotation=prod=ChromeFoil --annotation=ver=18.102.0 --initial-client-data=0x2bc,0x2b4,0x2c0,0x2b8,0x2c4,0xcb82fc,0xcb830c,0xcb831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1896
- 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:4268

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:5840

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

Query Registry

1

T1012

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 52eb8efadaa891ab85a73a45a401441c98b96ac145ea8fc49b662b44c892be40
MD5 636856902f87346265970a20f893ee5c
SHA1 164121d5edab22b9148a40ed60ef1bd106ceb3e9
SHA512 d3df773464dedb48c1150bb98a35d5799768a40b9f1226d7a2fa695488ef0671557f472a126fec9dd26962e68699282f793cd2c90c96c79396f0ccddd14ea99c
SSDEEP 12288:RS0jHSC63SVq1xIA97sJ4nYvlofacLIg5fyrVyCF:TOC6e4uwQxvjcUsiVbF
TLSH
T133C422073AE1D572E57A097451618FA5033FBE31AB35CE1B23D4668C013A2E11E7AE7B
MD5 SHA1 SHA512 SSDEEP TLSH

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Fr4RVijca5a5I43.exe

Path C:\Users\Admin\AppData\Local\Temp\Fr4RVijca5a5I43.exe
Size 3.1MB
SHA256 b9e001c5ef4845c2c0ce7a1ce134c774a7cd011af31dfbe2a13a96da2f68570e
MD5 a20245af2627cc9d55fbb3a1c682a334
SHA1 2ddbd81a16c18a7d5099f171473439bf84210a16
SHA512 f2a1d8e559dcd3016c3ad67c3c74e88ec62adc5a36ebf16df46f13d60627a9fc3b57dc9746f4551284d1c7eb79b364e76db7e539bfb8a9c20e1828f80bff9d1b
SSDEEP 24576:9yn2D7bFEc7r34rgxlqxjHHTVKIAF3XwVTTIUpWVH1kknPrMkkkskkkkkRkkkkkX:Ug7bV4UxExTTo6TkUEmT5xxvRCI5D
TLSH
T1DFE55C13BEC04032EAB70670B87BBB51557A7E209F1364CF7AC8362E1C716D1AA72756
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 479450abbbb7bded1c00cceb20497fc90f6156325b86401505b50739075a63ba
MD5 f53a5c9ca2e3837485afaba90a4cd7e2
SHA1 5b02231c979d9af0990294094113aca1de3fb8b4
SHA512 4c0c8ec807e458f5fe9407796307d43ae109047a133d08ef3ce86b726646749dcce6802a85a9a3186c9837afd1e8b0d040f74d6034865a1e2a62f28c4e8e3c78
SSDEEP 1536:Fc897EsWjcd9w+AyabjDbxE+MwmvlDuazT:ZxpAyazIlyazT
TLSH
T141636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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settings.dat

Path \??\c:\users\admin\appdata\local\Google\Software Reporter Tool\settings.dat
Size 40B
SHA256 d4a55d1198754b9dc8248802501bc856a8f5d414fd85f8b58598813782ed6068
MD5 12a4abf68b5bb2c112a89315a2709bb3
SHA1 68d7a2d7257a7866d8479e7843626be2661ddc47
SHA512 83ea721b171fd9ec4ac72eed66f7a182824d4d5d79fdad510f5284478090b671f7aaddb9f9f52296debb8c17fb17ad04750f2e9f232c7ba5e76055e16f39eda1
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads