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
behavioral2/files/0x000a000000011390-5.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
1740	70JufVjEOcsf4T7.exe
6084	CTS.exe
4676	70JufVjEOcsf4T7.exe
6080	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"	2026-07-21_c79080986187a643455290fd303f4bb4_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	CTS.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	70JufVjEOcsf4T7.exe
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	70JufVjEOcsf4T7.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	6084	CTS.exe
Token: SeDebugPrivilege	6080	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 1740	2760	2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.exe	89
PID 2760 wrote to memory of 6084	2760	2026-07-21_c79080986187a643455290fd303f4bb4_bkransomware_elex_maze_rhadamanthys.exe	90
PID 1740 wrote to memory of 4676	1740	70JufVjEOcsf4T7.exe	91

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:2760
- C:\Users\Admin\AppData\Local\Temp\70JufVjEOcsf4T7.exe
  C:\Users\Admin\AppData\Local\Temp\70JufVjEOcsf4T7.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Users\Admin\AppData\Local\Temp\70JufVjEOcsf4T7.exe
    C:\Users\Admin\AppData\Local\Temp\70JufVjEOcsf4T7.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=0x278,0x2b4,0x2c0,0x2bc,0x2c4,0x11e82fc,0x11e830c,0x11e831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4676
- 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:6084

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:6080

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 25e533ff2d86902ea2b65ded9cf168740a615540ea238b8bf4cae07ab06b423b
MD5 38148af1a4e5ae988f5114a5a0b039b7
SHA1 4575bc3eb9e0d1743d23360842c066414b662cc2
SHA512 18101ccd8143e4653edd862a4d83875028958dc8b685ef2f8f607dc712bb46f3c7d41eb08db46b8c44d703542a8322e991610f94af4ce93bde63e47452c8f80f
SSDEEP 12288:cS0Rqlfvpuo7tyUFk5uAtA4uBZuq0tAZULHCaIb84L7aFEJFVxIIux:q4lfBBk5uAiFBcqb0HoaUFVxILx
TLSH
T1D5C4121772E2D170F0B3863114B95F920A2FBFE54BB46A8367AC253E01B63D05629B77
MD5 SHA1 SHA512 SSDEEP TLSH

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70JufVjEOcsf4T7.exe

Path C:\Users\Admin\AppData\Local\Temp\70JufVjEOcsf4T7.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 c1edc575052d17da4d39b3be4364c4e9f475a47ace0bfe11fdcc4d016cb903b3
MD5 85a0e823837b3d7ed8a9ce54d3a80469
SHA1 3b1778e5c9eabf048c7f4c075ac5840cf558a1f2
SHA512 530022a8744b220ee6f4867367839c9467537dd04926faa1fd894a913e050dc86972470920f579a741674d49f39d8b4ea89870dd916d34b4576f35189204c00b
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