dba74f305b00cad6324c9161283aad19c062780395634a00c9d12173d1ce30b2

General

Target
2026-08-12_d3d796037a5ac57e1c32f96fd5918204_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260812-lrbefsteqd
SHA256 dba74f305b00cad6324c9161283aad19c062780395634a00c9d12173d1ce30b2
MD5 d3d796037a5ac57e1c32f96fd5918204
SHA1 f303b2c1b7541666057ed86fe63f487bce2bcc00
SHA512 0c2c314e315aa9cb13b2c932b741024bbf573ff1116e7eda3611687b7f1f15dad4d91fd763552270775b32f7a9b8134129b5a336295a21923a863aadac282478
SSDEEP 98304:DriBgi7wWn9sG8I6jykesDZzIrPNCOBSwkAx1pN6:6giVt8RQsDZzIrltB/1T6
TLSH
T1B9F533927ED2DA70E091D9B5EC588E6C941F3FB21FB1396E92D02DCD59A5122C33C316
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000016cd6-5.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
5032	2xarExJ7hEaRdOC.exe
1496	CTS.exe
3424	2xarExJ7hEaRdOC.exe
1712	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"	2026-08-12_d3d796037a5ac57e1c32f96fd5918204_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	2026-08-12_d3d796037a5ac57e1c32f96fd5918204_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	2026-08-12_d3d796037a5ac57e1c32f96fd5918204_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2xarExJ7hEaRdOC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2xarExJ7hEaRdOC.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5816	2026-08-12_d3d796037a5ac57e1c32f96fd5918204_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1496	CTS.exe
Token: SeDebugPrivilege	1712	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5816 wrote to memory of 5032	5816	2026-08-12_d3d796037a5ac57e1c32f96fd5918204_bkransomware_elex_maze_rhadamanthys.exe	89
PID 5816 wrote to memory of 1496	5816	2026-08-12_d3d796037a5ac57e1c32f96fd5918204_bkransomware_elex_maze_rhadamanthys.exe	90
PID 5032 wrote to memory of 3424	5032	2xarExJ7hEaRdOC.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-12_d3d796037a5ac57e1c32f96fd5918204_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-12_d3d796037a5ac57e1c32f96fd5918204_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:5816
- C:\Users\Admin\AppData\Local\Temp\2xarExJ7hEaRdOC.exe
  C:\Users\Admin\AppData\Local\Temp\2xarExJ7hEaRdOC.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Users\Admin\AppData\Local\Temp\2xarExJ7hEaRdOC.exe
    C:\Users\Admin\AppData\Local\Temp\2xarExJ7hEaRdOC.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=0x2bc,0x28c,0x2b8,0x29c,0x2c0,0xb982fc,0xb9830c,0xb9831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3424
- 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:1496

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:1712

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 4cdcd1ae1166974bb18393d27857cf1f7cc56aef3a2e0ac09146e5447c92bac5
MD5 cc194c88543738847bd0c6d1d31b207e
SHA1 d6268d81d3e185c14da815825ed7d1724b188bd5
SHA512 aa7ed494979193408bd1d528d6c15036e9d39bbd01e6cd1811acbfe511bffd91278fd6af2283bb196daa2fbb886842f4fb2f02b589cc2488631ee97259db4d8d
SSDEEP 12288:xC0NAGa5/yApZXN9Dp34EklyA7xh9e00daFYPcgjO:DSXNyAHdNp3tkLxLe0046cn
TLSH
T10CC42213B2D68931E1730B711AA58E6241BFBE728F304E8B6398548E59B19D01D3D7FB
MD5 SHA1 SHA512 SSDEEP TLSH

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2xarExJ7hEaRdOC.exe

Path C:\Users\Admin\AppData\Local\Temp\2xarExJ7hEaRdOC.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 3a75a85a1231691fe6d48dcbc441c8beafec06a1f2617531b81794d2589e9c8f
MD5 4392289fa9d83589266c5231ee1f4362
SHA1 ad16cd15b448f97fe5b2d237a7c10cef3c96529c
SHA512 bc04288498debd10d71bb31d9f90bb649ecb9c9704cacef8c99df601374b745872a44d3eeef5a34d79142a975eb7870396d424282b24cdcc8fec4d89c7511a02
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