e28af8b0807a6751b6c8d830a7492ec1a35f57b94428c6545252a792db7f9803

General

Target
2026-08-01_f8307f6a01289e0f842beb51de2bac1e_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260801-stf62scf45
SHA256 e28af8b0807a6751b6c8d830a7492ec1a35f57b94428c6545252a792db7f9803
MD5 f8307f6a01289e0f842beb51de2bac1e
SHA1 c8749905d58aa3014705491005c9ca4bb56c0ca5
SHA512 5b7ca11fa126a408aa5cf37a743c95914f7432a8b1803052ec79687ddb530e55be50d7141f3b45ed2d07dacfa96c31d6a0d8e62861561720e616f95fb54ffd8d
SSDEEP 49152:DuvhOVYY17/ADcB/BQoTO0ab5DCQ3eJvD1DJozBqMgJzwI0d7HJUj/oDv+oOz:DupiT17/zLBJFJwq3VwI0d7pUjwDGoOz
TLSH
T1B5F5335B6DDCCA60E9E737B7EBF45D00A1887E351FFA85113395358EA2208E0983467B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000011390-5.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
1928	35sxcELHmgaGM9F.exe
2112	CTS.exe
3184	35sxcELHmgaGM9F.exe
2832	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"	2026-08-01_f8307f6a01289e0f842beb51de2bac1e_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

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	2026-08-01_f8307f6a01289e0f842beb51de2bac1e_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	35sxcELHmgaGM9F.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-01_f8307f6a01289e0f842beb51de2bac1e_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35sxcELHmgaGM9F.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1256	2026-08-01_f8307f6a01289e0f842beb51de2bac1e_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2112	CTS.exe
Token: SeDebugPrivilege	2832	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 1928	1256	2026-08-01_f8307f6a01289e0f842beb51de2bac1e_bkransomware_elex_maze_rhadamanthys.exe	88
PID 1256 wrote to memory of 2112	1256	2026-08-01_f8307f6a01289e0f842beb51de2bac1e_bkransomware_elex_maze_rhadamanthys.exe	89
PID 1928 wrote to memory of 3184	1928	35sxcELHmgaGM9F.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-01_f8307f6a01289e0f842beb51de2bac1e_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_f8307f6a01289e0f842beb51de2bac1e_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:1256
- C:\Users\Admin\AppData\Local\Temp\35sxcELHmgaGM9F.exe
  C:\Users\Admin\AppData\Local\Temp\35sxcELHmgaGM9F.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Users\Admin\AppData\Local\Temp\35sxcELHmgaGM9F.exe
    C:\Users\Admin\AppData\Local\Temp\35sxcELHmgaGM9F.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,0x2b4,0x2c0,0x2b8,0x2c4,0xf982fc,0xf9830c,0xf9831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3184
- 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:2112

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:2832

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 be9168595bc339c66affbac58e09fe7e8c14a87b8edfe495e2625bb01e26af1d
MD5 85cbc73d5d7b94e6572a4477f8233204
SHA1 72db1945509df0fcb04b57fdc4c4d9218b4bfbc3
SHA512 d822c6d3eb897f5247b34fd877f79115fe31bb10bde3d9e5892b7c278d8e0e19aae74c91dfb86bc2fbf082287a747774e9540ebcb14761fef6b9786b64d4c01e
SSDEEP 12288:hS0cr+f/aPiv9TKmPU//jZRjmXtLvvJQhKuFrDoh3qE7jy:DDf/HRhUTZR2vvyBHoh6E7jy
TLSH
T161C41313B782C270E473067719A54EB00A7FBA329EB14C6727D420DE65256E25A3DF37
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

35sxcELHmgaGM9F.exe

Path C:\Users\Admin\AppData\Local\Temp\35sxcELHmgaGM9F.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 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
TLSH
T119636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
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 7fb284f8214cb72cf322412a7b4cc03908a7cc05e20a67e536a0b9be80cfda10
MD5 6f85145681b54975ad9f7969e53684bb
SHA1 24057241aa9e4546cd51310f1630e5f789fc142a
SHA512 8ec98e507725686365bede939ec1c2017e9e36cd50ada75c6d756c9d043e6eeca60dc094c21ef9f1f7d698d9f989441a8247b473f94905abe8dfd53021bbe959
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