5efaa996557ca11d073cead66570316cd5e2f6404f8af9c14c759359e4dbfcd7

General

Target
2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260721-t63fgseq4w
SHA256 5efaa996557ca11d073cead66570316cd5e2f6404f8af9c14c759359e4dbfcd7
MD5 c79080986187a643455290fd303f4bb4
SHA1 df2f2bcf1abc652f5cd1f2b0294b09f96ab67e25
SHA512 ef9cf609e319265f9c70e838d8bb3d074996dd7f076924bc450cbb7644f5ef902f0e9ae22a3aa9c50142ccfba813e0fa28fd3da370a51b36fc9456b565fcb41e
SSDEEP 98304:qetPm4bka7iRhBYA3eCDUK3rBjwaWEHQ9eDv:5BDkZRhaA3eCDVBfWEq6v
TLSH
T10AF5334BB3EAD473DC3812310C791F5261AFBE3353F58E9677A0952F014A6A20D75AA3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral1/files/0x0012000000024381-3.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
2952	KQaQBQrYAxnJKXh.exe
4428	CTS.exe
4568	KQaQBQrYAxnJKXh.exe
5036	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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.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	2026-07-21_c79080986187a643455290fd303f4bb4_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	2026-07-21_c79080986187a643455290fd303f4bb4_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	KQaQBQrYAxnJKXh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KQaQBQrYAxnJKXh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4428	CTS.exe
Token: SeDebugPrivilege	5036	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 2952	4892	2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.exe	86
PID 4892 wrote to memory of 4428	4892	2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.exe	87
PID 2952 wrote to memory of 4568	2952	KQaQBQrYAxnJKXh.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-21_c79080986187a643455290fd303f4bb4_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:4892
- C:\Users\Admin\AppData\Local\Temp\KQaQBQrYAxnJKXh.exe
  C:\Users\Admin\AppData\Local\Temp\KQaQBQrYAxnJKXh.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Users\Admin\AppData\Local\Temp\KQaQBQrYAxnJKXh.exe
    C:\Users\Admin\AppData\Local\Temp\KQaQBQrYAxnJKXh.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=0x288,0x280,0x28c,0x284,0x290,0xb982fc,0xb9830c,0xb9831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4568
- 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:4428

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:5036

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 fa805ed1feebcaac25db9dc7dd655eeebb8a4410b2981aa483e65ebfadfc8f80
MD5 878ccd49286ad2c9741cfdf7ffa36e4d
SHA1 05ed79728941301cde245685d095d31553d47559
SHA512 de21c4c0e0bb8069b0364b28785b771955a82132cc602dbcf2dca821a02b9b628e6fee13d0c9f5f2e18e5cd96d99c7f66bc18ba7e74607a5dc08068801fd8b09
SSDEEP 1536:Sc8N7UsWjcd9w+AyabjDbxE+MwmvlDuazT9M:MRpAyazIlyazTe
TLSH
T189736C03B6D2C170E4B7067209B8CE510B6FBE765EB18D5B7784218E49752C09E39BB7
MD5 SHA1 SHA512 SSDEEP TLSH

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KQaQBQrYAxnJKXh.exe

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

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 7a1c6cd3173222859a0d776c4949134e09b12c30ce4260e2d689e43202b1ca4b
MD5 ea7997ed926da609b4008fbee72e07e6
SHA1 c2e75d2d8e1619cdea76bb3dac6cd8bf2f7842b6
SHA512 07ee1b1eb94ff6a6e73daf4b6794b253c7517da655a71782ca5d71c93df8694ce0e4a6f987db1b7af34821b68e20f85c4e19e0981bef89fb3d00bc6ae610d2a3
SSDEEP 1536:Sc8N7UsWjcd9w+AyabjDbxE+MwmvlDuazT:MRpAyazIlyazT
TLSH
T1D1636B03B6D2C171E4B70A7649B8CE51077FBE765EB18D5B3384218D4A752C08E3ABA7
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 3d326c2ee326afc0bae36c58888b2200104aeccaed1b8b62ad4cf1025a506e1a
MD5 ff9e2024173aba42e58df7745fe6caf2
SHA1 1e080e4089888e63d3c8aad8c7654a9f490b2185
SHA512 074f1c1c62f0348840ce98b181ed6c37775fac2218d1e3b68f87714f2a65b2374999f125367225a539e83fddce50f8f918ac3929135ecfe05b13a8e0b161c488
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