1c49b8047a23e22047cce144dce2c44838d8c8b33f597189a5a573a5cb4cb8d4

General

Target
2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260717-2y5jwact21
SHA256 1c49b8047a23e22047cce144dce2c44838d8c8b33f597189a5a573a5cb4cb8d4
MD5 4e7d3da68ec958baa8bf42cf70a04f97
SHA1 2b03e9b47df31aa73fa7c58fc50e2f2f9e6fdd1a
SHA512 777e9d08fa9c11f856cb4757b68551566741fc51ed9ffb2284f6b267e2df853a7918bbd9a600819d794b387892e4a83dac128a21070b6855be9b1a2b07155ac5
SSDEEP 98304:D9vtyLyPatqv3fWe2ROXXaYt9cwfgNAfkQ/+vNRYdZ:xvty2y0fWeQbYt9pRfk++DyZ
TLSH
T18DF533B37D80D236E8F2553C1565DEA82268B8BD09D38F5793185AAD0BF16D00F3672B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000024334-3.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
2504	CmjQrS4jObFRXkB.exe
1812	CTS.exe
4040	CmjQrS4jObFRXkB.exe
2196	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"	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_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	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.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	CmjQrS4jObFRXkB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_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	CmjQrS4jObFRXkB.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4148	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1812	CTS.exe
Token: SeDebugPrivilege	2196	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 2504	4148	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe	86
PID 4148 wrote to memory of 1812	4148	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe	87
PID 2504 wrote to memory of 4040	2504	CmjQrS4jObFRXkB.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_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:4148
- C:\Users\Admin\AppData\Local\Temp\CmjQrS4jObFRXkB.exe
  C:\Users\Admin\AppData\Local\Temp\CmjQrS4jObFRXkB.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Users\Admin\AppData\Local\Temp\CmjQrS4jObFRXkB.exe
    C:\Users\Admin\AppData\Local\Temp\CmjQrS4jObFRXkB.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,0x284,0x290,0xfd82fc,0xfd830c,0xfd831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4040
- 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:1812

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:2196

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 2cf01f4d7a554725f6bb466341258ed93535fcafe9ff3c72d3ddac28b4dad224
MD5 97a9f556b9d57623bfc77f3ea1ca9aaa
SHA1 0a1e50f581619f372c406b623ac2954a1977f36c
SHA512 799d7917c9b0f39ad0ea790c5e17937757ab9c696b602f6101dc29ad76da74143c783c9dcb7744b3882d375ccf832445837f2c553623fc231ffe077464387ddb
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT4Y/cw:ZhpAyazIlyazT4+cw
TLSH
T14B736C03B6D2C171E4B70A7649A8CE6106BFBE765FB18D5733C4218D49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

CmjQrS4jObFRXkB.exe

Path C:\Users\Admin\AppData\Local\Temp\CmjQrS4jObFRXkB.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

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 8e39748ccb8a1abe291ce8eaddc5c31765df72ca261c8a191550e58ad8279993
MD5 c5e89c2ef1401b385ee8823a51f383e5
SHA1 050a23963dc7aec80f2ddf4451631272ac2550ac
SHA512 661a999aa3f5305ceb97ac1bfe7e7b2edbf99c6ad73aab20d76d5677308d1334885cfbaf4c5dcf84a79fe0eaabe9aee8ca016c1abfe70b5fde33b4cf8375a4c7
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