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
behavioral1/files/0x0013000000024250-3.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
3524	XV1NrCytUPFNJB9.exe
4292	CTS.exe
4200	XV1NrCytUPFNJB9.exe
996	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	2026-10-02_000594f868f99ebc780fb220ee96ec59_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	XV1NrCytUPFNJB9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XV1NrCytUPFNJB9.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1848	2026-10-02_000594f868f99ebc780fb220ee96ec59_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4292	CTS.exe
Token: SeDebugPrivilege	996	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 3524	1848	2026-10-02_000594f868f99ebc780fb220ee96ec59_bkransomware_elex_maze_rhadamanthys.exe	87
PID 1848 wrote to memory of 4292	1848	2026-10-02_000594f868f99ebc780fb220ee96ec59_bkransomware_elex_maze_rhadamanthys.exe	88
PID 3524 wrote to memory of 4200	3524	XV1NrCytUPFNJB9.exe	89

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:1848
- C:\Users\Admin\AppData\Local\Temp\XV1NrCytUPFNJB9.exe
  C:\Users\Admin\AppData\Local\Temp\XV1NrCytUPFNJB9.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3524
- - C:\Users\Admin\AppData\Local\Temp\XV1NrCytUPFNJB9.exe
    C:\Users\Admin\AppData\Local\Temp\XV1NrCytUPFNJB9.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,0x284,0x290,0xf882fc,0xf8830c,0xf8831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4200
- 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:4292

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:996

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

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 72KB
SHA256 693f30402fcec51f0c8077310c5db762174bfd9b90bac86b0f0aee1d2a81b650
MD5 397d62758a1bc36e617a98d67ea5a719
SHA1 0f64a378d9c767d15bc7e62be8c9e600ee24d097
SHA512 9b8879a8d9965e41456a61ca49ca5950c1f4fd10208e3402da89ffcf35b05a057d15e34f9a564836808bae33b13f091c38105b32ff5dd39689830ed65a1cbfaf
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTK5:ZRpAyazIliazTK5
TLSH
T1EE736B03B6D2C170E4B70A7649A8CE61067FBE765FB18D5B33C4218D49752C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

XV1NrCytUPFNJB9.exe

Path C:\Users\Admin\AppData\Local\Temp\XV1NrCytUPFNJB9.exe
Size 3.1MB
SHA256 b9e001c5ef4845c2c0ce7a1ce134c774a7cd011af31dfbe2a13a96da2f68570e
MD5 a20245af2627cc9d55fbb3a1c682a334
SHA1 2ddbd81a16c18a7d5099f171473439bf84210a16
SHA512 f2a1d8e559dcd3016c3ad67c3c74e88ec62adc5a36ebf16df46f13d60627a9fc3b57dc9746f4551284d1c7eb79b364e76db7e539bfb8a9c20e1828f80bff9d1b
SSDEEP 24576:9yn2D7bFEc7r34rgxlqxjHHTVKIAF3XwVTTIUpWVH1kknPrMkkkskkkkkRkkkkkX:Ug7bV4UxExTTo6TkUEmT5xxvRCI5D
TLSH
T1DFE55C13BEC04032EAB70670B87BBB51557A7E209F1364CF7AC8362E1C716D1AA72756
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

SubmitExpand.exe

Path C:\Users\Admin\Downloads\SubmitExpand.exe
Size 1.2MB
SHA256 286e142779cb73444529de2d797fc95d2c71e8406fb823afc73cb641ab1229e0
MD5 996d83eda3e5f7531a32fbaa426f6d81
SHA1 e4d6107067f40e49be7dba0d44be2f7eb397f01b
SHA512 49e27ebc0a6f7669c46e9068cce35b078d24d3868cdd5701c7087cdd1202286563ca59b2487586c2429fc82d8462defa1cdbd07f9c2472cfb5cf723b9b29e431
SSDEEP 24576:DOLPBmFeAeRPCBeZch46Iazf5u9tFrXIq/EP9PL4pp95RHa+F4s:DwBseNRPdG4XeMZLXcT4rvpP4s
TLSH
T11C452313BEE18170E463117D47A68A539BAFB9978B32C86717D465CC0DB92C10E24FBB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

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

Submit Download

settings.dat

Path \??\c:\users\admin\appdata\local\Google\Software Reporter Tool\settings.dat
Size 40B
SHA256 fb73dfd024ac6844c1f3f5717aa182d2aea73408ad63eebc5e7ca0760b0bc32f
MD5 ea0954a0d7beb078f8407f9c8c2ae2c1
SHA1 d2ecc205221635cb9c454166b7cf1996566c5b41
SHA512 f570a9022f031f1cc2cc126318a3bd6d3bc61e956085d79dba2a3de775e4139800bad3d094c5720b9e593147c2395fdf3212bffeb6b50579e9f4417a192b6cd0
MD5 SHA1 SHA512

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads