27f606d1196c35b06a9cba23d1510e56f24f5949b9a0fce3f3de7c33520e9c70

General

Target
2026-10-17_b00982167e8c501d10ac3bcfdfbf36bf_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample261018-1bqa1aay91
SHA256 27f606d1196c35b06a9cba23d1510e56f24f5949b9a0fce3f3de7c33520e9c70
MD5 b00982167e8c501d10ac3bcfdfbf36bf
SHA1 d83275f94298602e01c2875f9ac8495768538cd1
SHA512 3f895367e566934b5dd6d4548e06e505dbe5c67dbecfa243be0a6b9f603f2f9e7205ca80ec7ab38c284c5789a3dae8e73dccad8b1f795532bc0abe741a266438
SSDEEP 98304:DSc5XFoJVAqlmnhWmQmHd2AoUsXoCEP8MiJ/hjEOe:uOCvAqlmdH0voFPMi
TLSH
T121F533532F579262D6B69832166CDE6CC14FFFBFE518CDB3FAA024DE08510A22136617
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000a00000001b880-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
4208	vUSBzg1jPtsGEpY.exe
3324	CTS.exe
1296	vUSBzg1jPtsGEpY.exe
1488	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"	2026-10-17_b00982167e8c501d10ac3bcfdfbf36bf_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	2026-10-17_b00982167e8c501d10ac3bcfdfbf36bf_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	2026-10-17_b00982167e8c501d10ac3bcfdfbf36bf_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	vUSBzg1jPtsGEpY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vUSBzg1jPtsGEpY.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5004	2026-10-17_b00982167e8c501d10ac3bcfdfbf36bf_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3324	CTS.exe
Token: SeDebugPrivilege	1488	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4208	5004	2026-10-17_b00982167e8c501d10ac3bcfdfbf36bf_bkransomware_elex_maze_rhadamanthys.exe	90
PID 5004 wrote to memory of 3324	5004	2026-10-17_b00982167e8c501d10ac3bcfdfbf36bf_bkransomware_elex_maze_rhadamanthys.exe	91
PID 4208 wrote to memory of 1296	4208	vUSBzg1jPtsGEpY.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-10-17_b00982167e8c501d10ac3bcfdfbf36bf_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-17_b00982167e8c501d10ac3bcfdfbf36bf_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:5004
- C:\Users\Admin\AppData\Local\Temp\vUSBzg1jPtsGEpY.exe
  C:\Users\Admin\AppData\Local\Temp\vUSBzg1jPtsGEpY.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4208
- - C:\Users\Admin\AppData\Local\Temp\vUSBzg1jPtsGEpY.exe
    C:\Users\Admin\AppData\Local\Temp\vUSBzg1jPtsGEpY.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=0x2c4,0x2bc,0x2c8,0x2c0,0x2cc,0xfb82fc,0xfb830c,0xfb831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1296
- 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:3324

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:1488

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 1.5MB
SHA256 519a029747051172a248b8b5082c8564f3c2f91a026b3a9ac6b18f3af3de98c5
MD5 a3edefceeb34d7e8c0442db8d1200d36
SHA1 6b801afbc15051357431185409830d540e9e7e70
SHA512 622147ecdb28f044b5e18a5d4dbadb56e3c2425f5a7f855629fdcea4039ec7a74a08786fb146f64f869f42e8320d0746c9f06ae6a9a70d02fe41fdae1ec2dae2
SSDEEP 24576:DhMrCKQMuSy/p4oyxwqDuKkOX4RmymaEiIv7rPLD4ZsdR8xasPTOQ5ZDGTynhb2d:DhMrDQgwdyFDupOIRmym33zrv0sdgBKn
TLSH
T1646523973EC5B236C8260F736C791645179EFE250DB0DE1B7B90516D80B17C0AE2AEA3
MD5 SHA1 SHA512 SSDEEP TLSH

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vUSBzg1jPtsGEpY.exe

Path C:\Users\Admin\AppData\Local\Temp\vUSBzg1jPtsGEpY.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 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 fc02714c9945ca1e382d4c0764d71f6f974ef305a22706b2601e990d48bc5a7e
MD5 6474655cb95a62c7f304fc6c2a167054
SHA1 0cdd89e631f1d867526d29db352792349b92fa7e
SHA512 727f512d9ee6b8bbabf52b9605a8265476417d5395bb54d54098ef8c28920e7cc7afa45572ab35914499507fa34b47d85ba98094ded91e8ec90afd5466b75ccb
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