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
behavioral2/files/0x0010000000019cbf-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
5988	epE39euasNrPlJa.exe
1668	CTS.exe
3576	epE39euasNrPlJa.exe
204	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"	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_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	CTS.exe
File created	C:\Windows\CTS.exe	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_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	epE39euasNrPlJa.exe
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	epE39euasNrPlJa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1668	CTS.exe
Token: SeDebugPrivilege	204	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 5988	2044	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_bkransomware_elex_maze_rhadamanthys.exe	89
PID 2044 wrote to memory of 1668	2044	2026-08-17_4a487e6a8a86d840c65420167e24ff1c_bkransomware_elex_maze_rhadamanthys.exe	90
PID 5988 wrote to memory of 3576	5988	epE39euasNrPlJa.exe	91

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:2044
- C:\Users\Admin\AppData\Local\Temp\epE39euasNrPlJa.exe
  C:\Users\Admin\AppData\Local\Temp\epE39euasNrPlJa.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5988
- - C:\Users\Admin\AppData\Local\Temp\epE39euasNrPlJa.exe
    C:\Users\Admin\AppData\Local\Temp\epE39euasNrPlJa.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=0x2c0,0x2b8,0x2c4,0x2bc,0x2c8,0xee82fc,0xee830c,0xee831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3576
- 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:1668

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:204

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

officeclicktorun.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml
Size 557KB
SHA256 a4f8e6c89db87bd02ad59e0613b0dcca8fde4ec43eba0d344fad5116ead5f7ad
MD5 498725e942f1adadb1d8d4a358c426ba
SHA1 3c96c21b6c5025d19c939b062aceef9d753bde4b
SHA512 ea7a25663b7dba2691d2cf7db504fd23a3c9cc96654cdd683936b81475ab1737970b046d64fff83e342d18b37543ab1eb9ee9007899d6a22fec53c4125c2c68e
SSDEEP 12288:xC0bCT1zXe8u67Ms1kWb/9JCPzlsKfkYOz3ISB+U2:DGR7e8u67b1lj9JczlsYRS8T
TLSH
T16CC4234376F1D172E4F25A334AA6B92846AFBEB22F719C833384906D18724C05F38B57
MD5 SHA1 SHA512 SSDEEP TLSH

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epE39euasNrPlJa.exe

Path C:\Users\Admin\AppData\Local\Temp\epE39euasNrPlJa.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 ea56a3a1d6be46a7bfe0e4e32260290e03637aba74ce412ea1fcbc68ceb7f4af
MD5 d1be1cd83b11251d95d54e0ff18709be
SHA1 19b371372bed386d158957055658cca270c8fc98
SHA512 44470453dff7c1ec8a4fe38d895017452bb1ed02094f85f08b6c14a7702d00c1c20f7b1def172b03a0a2cffd585f6591eb7e5f7572b911bc7beed24e399083eb
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