c0679f513bda8ba6fe5406b706529e971846c91365e69ba4a7bd82bd8a86fdae

General

Target
2026-08-10_c7f94ca0e368d89e08f5cb07128bdeb5_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260810-vnfpfaywct
SHA256 c0679f513bda8ba6fe5406b706529e971846c91365e69ba4a7bd82bd8a86fdae
MD5 c7f94ca0e368d89e08f5cb07128bdeb5
SHA1 6e37ca7ea7dd1bf4d3e6815181e16f43280d38c7
SHA512 05c79d8c6d386eeb894b821546592f29cbcc6b0230cd3721bf43ab83c7efa8383d1cbb17cd0558991c93deaa36a355c7acff35a0a8b16cbd57442ebfa7e1f8a1
SSDEEP 49152:DJKmP04pqbUlxvSNLUMIJrIKStxXlKb1sX1kdz/ppD+aFFt0me3VSxiq34aNuK0:DlXpqbUlwN4PZ/+X1MNtFwP3UxiqpN8
TLSH
T103F53313AED190F4F9094CF138D814785B6F3A750E5ACE87C968729E86364C3A177EA3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery persistence spyware stealer

Malware Config

Signatures

Custom signature

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000016cdf-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
3144	aGJxLpKSAvKIJHd.exe
1188	CTS.exe
1612	aGJxLpKSAvKIJHd.exe
2764	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"	2026-08-10_c7f94ca0e368d89e08f5cb07128bdeb5_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	2026-08-10_c7f94ca0e368d89e08f5cb07128bdeb5_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	aGJxLpKSAvKIJHd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aGJxLpKSAvKIJHd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-10_c7f94ca0e368d89e08f5cb07128bdeb5_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5732	2026-08-10_c7f94ca0e368d89e08f5cb07128bdeb5_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1188	CTS.exe
Token: SeDebugPrivilege	2764	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5732 wrote to memory of 3144	5732	2026-08-10_c7f94ca0e368d89e08f5cb07128bdeb5_bkransomware_elex_maze_rhadamanthys.exe	88
PID 5732 wrote to memory of 1188	5732	2026-08-10_c7f94ca0e368d89e08f5cb07128bdeb5_bkransomware_elex_maze_rhadamanthys.exe	89
PID 3144 wrote to memory of 1612	3144	aGJxLpKSAvKIJHd.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-10_c7f94ca0e368d89e08f5cb07128bdeb5_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-10_c7f94ca0e368d89e08f5cb07128bdeb5_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:5732
- C:\Users\Admin\AppData\Local\Temp\aGJxLpKSAvKIJHd.exe
  C:\Users\Admin\AppData\Local\Temp\aGJxLpKSAvKIJHd.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3144
- - C:\Users\Admin\AppData\Local\Temp\aGJxLpKSAvKIJHd.exe
    C:\Users\Admin\AppData\Local\Temp\aGJxLpKSAvKIJHd.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=0x2a8,0x2bc,0x2b4,0x290,0x2c0,0xfb82fc,0xfb830c,0xfb831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1612
- 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:1188

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:2764

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 f11e9707c8f31cd89ac27d8f9e8f523f5fa93569216d76c4901c971a989b88cc
MD5 e346329a9633c81666e1b61e7334f0af
SHA1 0508d8e8c369a8ea173041517c8af48f716cbf9a
SHA512 1105821b40b108c8bac14796de4b73cfb1155c1ff64d820fbffc414cfc1abf76a7148a9f73be68e1ddfd7caad9ecaa618e6658031e891516fd7f6e76ca865445
SSDEEP 12288:xC0u2UFezu49ysBWMR34BPJDPk/M7gdln5053UdAEfWZLdbbjz:DzrujMKnsikN5iEeZtjz
TLSH
T1C3C412137AC3CA31D0664E7246B58E414BAFFD760B38AD0B3788648D06B15C19E3AB77
MD5 SHA1 SHA512 SSDEEP TLSH

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aGJxLpKSAvKIJHd.exe

Path C:\Users\Admin\AppData\Local\Temp\aGJxLpKSAvKIJHd.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 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
TLSH
T176636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
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 e07cea239766e848f5d01060ffba76732c807eb794a52e0b3f0376072ac9952f
MD5 d4e30f5bd9c12ebf6a4a3de9ea53b408
SHA1 2b23359ecc85a347f45a85a2d2305746236df7e4
SHA512 39142c92d0c5a3f3e72d49d6afbc95183ff201e4e4633ccbb0d263c8408bc82ee54b2c95d03f1950bd0d1796ba430b9efbcdcb83b36a3281931b1630fda543b3
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