9f4d98e54cad819d26da9ae809727e493d78781819c732c700a3d4416fd99e4a

General

Target
2026-10-02_000594f868f99ebc780fb220ee96ec59_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample261003-w16basvbjf
SHA256 9f4d98e54cad819d26da9ae809727e493d78781819c732c700a3d4416fd99e4a
MD5 000594f868f99ebc780fb220ee96ec59
SHA1 59b6ce98bdbbd1fb0528fb916a53a78347da4e33
SHA512 0dc36cab842639f5aeb5ccd46735d35bc32e5af0a0b32845e59d4263e4bfa423e410146e53983fe14aa3c01c76f0a6e4ec8edab923450954af1d29788259d7d1
SSDEEP 49152:DnWpia8aZHvNVeWZf8lseY1n1ud/pRuNAMX47j5hihy0mHZ0zRkv9PXqCqrEGx9I:DiH1zZiWGdUX+5PZgU9rxGE
TLSH
T153F53313B9C20139FC32207DF4D5FA204D3B7A2D8F65A5A556233C6C8371A648EA6E5E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000d000000019cb7-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
3356	K6lHBZg8ka9Bt27.exe
2544	CTS.exe
3384	K6lHBZg8ka9Bt27.exe
4540	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"	2026-10-02_000594f868f99ebc780fb220ee96ec59_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	2026-10-02_000594f868f99ebc780fb220ee96ec59_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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	K6lHBZg8ka9Bt27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	K6lHBZg8ka9Bt27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-02_000594f868f99ebc780fb220ee96ec59_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	2026-10-02_000594f868f99ebc780fb220ee96ec59_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2544	CTS.exe
Token: SeDebugPrivilege	4540	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 3356	2116	2026-10-02_000594f868f99ebc780fb220ee96ec59_bkransomware_elex_maze_rhadamanthys.exe	89
PID 2116 wrote to memory of 2544	2116	2026-10-02_000594f868f99ebc780fb220ee96ec59_bkransomware_elex_maze_rhadamanthys.exe	90
PID 3356 wrote to memory of 3384	3356	K6lHBZg8ka9Bt27.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-10-02_000594f868f99ebc780fb220ee96ec59_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-02_000594f868f99ebc780fb220ee96ec59_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:2116
- C:\Users\Admin\AppData\Local\Temp\K6lHBZg8ka9Bt27.exe
  C:\Users\Admin\AppData\Local\Temp\K6lHBZg8ka9Bt27.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3356
- - C:\Users\Admin\AppData\Local\Temp\K6lHBZg8ka9Bt27.exe
    C:\Users\Admin\AppData\Local\Temp\K6lHBZg8ka9Bt27.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=0x2b8,0x2bc,0x2c0,0x2b4,0x2c4,0x5d82fc,0x5d830c,0x5d831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3384
- 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:2544

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:4540

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 54a50995ad3ac102c5c76008aed694214f78687238b5dc33f686876ef10ddc16
MD5 1e2110e93c8a4e94874a53373f80715c
SHA1 cb074edafd1bda88dd97b371b4b142301aee3930
SHA512 3cde5bbdecdc86c258e73afe9e9d8fb134f7c3a36ca04cd64cf0a5a309b14c4df8b1df115106b3df96c1c6cf5a3cdf5dd6527baf977734c4d3b572db55c1ed1f
SSDEEP 24576:Dp82fX1IDjzENEfRa0eYptwzSq9OAGF/xnQncD1BfoDRUM/ne5MRxltbpLhPZ0oa:DW2f1IvYNfSq4AGF/+nyoDuM/ea3DTPY
TLSH
T14D65331333C5F179D1B313BB059401158DBFFE3A0BE9BE2B06A4205A17266E19958EFB
MD5 SHA1 SHA512 SSDEEP TLSH

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K6lHBZg8ka9Bt27.exe

Path C:\Users\Admin\AppData\Local\Temp\K6lHBZg8ka9Bt27.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 99314da93f5e9887ae6e59051fa2b6802454f80810698809ab3e9bb3dc91689b
MD5 cfae2ede37bc4fce6b460e106999214e
SHA1 2bcdcd40ecdad27f7cc54c5cfe2b77758bf4da9b
SHA512 52b7402b44ca5605e8cf6129ec6cd28c8005388f10e0503b8ce2ef37dd83b4ca5f5cd10baa620f992dd43ab3513ba2d72bb46ae2bddaf2ca2a6ff660c65fb789
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