d1450af38670b9a41e31992dde64231d262ef7e9562df9085a56edcc8f71c38d

General

Target
2026-08-17_4a487e6a8a86d840c65420167e24ff1c_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260817-qnbchack21
SHA256 d1450af38670b9a41e31992dde64231d262ef7e9562df9085a56edcc8f71c38d
MD5 4a487e6a8a86d840c65420167e24ff1c
SHA1 e92109e9ee4dd6f2c3879300637e828a30ad6c1e
SHA512 afcecb33b20774d30ff6db8891cbc0d52ed8960c7ab6ddcfdc11891b46ac6da8be884cc9f602417e4781219d89150314f157502b59abd778d6fbe16b4b862b62
SSDEEP 49152:DWLz1kn7CyyEaiUg5l71zCfbbrly2lwv3xg/w5emtfs9gziG85lJwFiOsbLdMkh:D0zHmyIDzAzl5u3Z5ntk9FJ5HIiOsF9h
TLSH
T116F533733EFA4461F0F1D33104B61FA606FDAEF364B59D28126C97AD163A091EE20667
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000240d6-3.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
4752	ZVMwNI4aXBgP5cr.exe
1460	CTS.exe
3328	ZVMwNI4aXBgP5cr.exe
2844	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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_bkransomware_elex_maze_rhadamanthys.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	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_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	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_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	ZVMwNI4aXBgP5cr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZVMwNI4aXBgP5cr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3456	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1460	CTS.exe
Token: SeDebugPrivilege	2844	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 4752	3456	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_bkransomware_elex_maze_rhadamanthys.exe	86
PID 3456 wrote to memory of 1460	3456	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_bkransomware_elex_maze_rhadamanthys.exe	87
PID 4752 wrote to memory of 3328	4752	ZVMwNI4aXBgP5cr.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-17_4a487e6a8a86d840c65420167e24ff1c_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_4a487e6a8a86d840c65420167e24ff1c_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:3456
- C:\Users\Admin\AppData\Local\Temp\ZVMwNI4aXBgP5cr.exe
  C:\Users\Admin\AppData\Local\Temp\ZVMwNI4aXBgP5cr.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4752
- - C:\Users\Admin\AppData\Local\Temp\ZVMwNI4aXBgP5cr.exe
    C:\Users\Admin\AppData\Local\Temp\ZVMwNI4aXBgP5cr.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=0x280,0x28c,0x284,0x27c,0x290,0x3f82fc,0x3f830c,0x3f831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3328
- 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:1460

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:2844

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 7fd0dd737594ba3c75064785ac56444b168c7e2a9294a1ad1f0e5ccab3e7ec46
MD5 709df1235118452a67887c15505a21c9
SHA1 0811871b19e56a5f794f30463b2729f3041449ed
SHA512 1b597f37c47134c9bcabe60be4790a2f3618508669399251885cb27b699fc9642d21597eb670e87931c100456aa4ed2b977bafad6a656a576297077dab65a9ea
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTu+:ZRpAyazIliazTu+
TLSH
T1DE736C03B6D2C170E4B70A7649B8CE510ABFBE765FB18D5B3384218D4A752C09E39B67
MD5 SHA1 SHA512 SSDEEP TLSH

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ZVMwNI4aXBgP5cr.exe

Path C:\Users\Admin\AppData\Local\Temp\ZVMwNI4aXBgP5cr.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 16e467766c26c45adf0a129163cdd75237d17dd19efc8f6db09342a6c3c0c0d8
MD5 08f2a9bb2462481652aa4464b6ebcb25
SHA1 2dfd8c581b8253fd88826b76f2516378a7b6daf9
SHA512 fd4cf540fefb6127dd8cacc7682414477628c2e243f714337a899a34626ea512698bb94cf60e4cda075e0d8818ff3529b0f2b1aae236eaf74a5e353f0ea99d1f
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