1f07c7051044521f8faa8304e1e827dac1e1bd74f474d443277bc0a1dac25808

General

Target
2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260723-vyyb8stdla
SHA256 1f07c7051044521f8faa8304e1e827dac1e1bd74f474d443277bc0a1dac25808
MD5 b95733449b23ad3a850e294015cf3a6d
SHA1 0762cb846dba5de7c389659c8a33eaf4fb060719
SHA512 1fff1ae4542b70a27315e74791c5b074a7cc7ea1fd2d8ac1f604dc3082c7284c891030a63f8ecccfbf9f5f0af88b9ee7bfe1af3f5e5bcd168e28f13184fcebfe
SSDEEP 98304:DSY4ianXreCTeFaeAMmsmpgBKZ0hZKTa0TfIfG:R4ianXrbTeg/MJEGKZ8KTZTQfG
TLSH
T14BF53351F25694B4D07377B668F2EC45CD9EFCF4A6B08C66078AE31C876A4106F28D72
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000900000001138e-5.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
1084	lirCspW2HtoaJDL.exe
5844	CTS.exe
4080	lirCspW2HtoaJDL.exe
5656	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"	2026-07-23_b95733449b23ad3a850e294015cf3a6d_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	CTS.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.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	lirCspW2HtoaJDL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-23_b95733449b23ad3a850e294015cf3a6d_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	lirCspW2HtoaJDL.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1140	2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5844	CTS.exe
Token: SeDebugPrivilege	5656	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1084	1140	2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe	89
PID 1140 wrote to memory of 5844	1140	2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe	90
PID 1084 wrote to memory of 4080	1084	lirCspW2HtoaJDL.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_b95733449b23ad3a850e294015cf3a6d_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:1140
- C:\Users\Admin\AppData\Local\Temp\lirCspW2HtoaJDL.exe
  C:\Users\Admin\AppData\Local\Temp\lirCspW2HtoaJDL.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1084
- - C:\Users\Admin\AppData\Local\Temp\lirCspW2HtoaJDL.exe
    C:\Users\Admin\AppData\Local\Temp\lirCspW2HtoaJDL.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,0x2b8,0x298,0x2c0,0xb682fc,0xb6830c,0xb6831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4080
- 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:5844

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:5656

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 3e2ebb26f7c5406f0d5ccca6956bb1476833f2c49ada85632b33f22cad62d432
MD5 ee464382ce325467f1a2b22222f5bbc3
SHA1 7b449a9cb8b4351a6e03a27e630e79ad65034c1c
SHA512 d5b86a0deee713b49fd8b56737d13f4bd394559921211df6d030de1ce812a3ef5a635b41f2b15e6e4e9508211f2dffde484dd1339bd3ce70194fb1cd64caf003
SSDEEP 12288:xC0eDNDFypQvG3zjd/Bm8Scf2BmFJnVvi2Ri3J6P+SEqC+LtvsjD+h:DexDjvG3zJJZScfKYVaJigqztv2E
TLSH
T170C41203FEC59AB0F232837605A89924677F3D7ABAB64A2A7384025D05717D05F3DB63
MD5 SHA1 SHA512 SSDEEP TLSH

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lirCspW2HtoaJDL.exe

Path C:\Users\Admin\AppData\Local\Temp\lirCspW2HtoaJDL.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 15f1497ab84554a9edc66e02260894bdbceee287396d46afb559d7749b3e651f
MD5 ad87b85142fccea7ee326ef7004a1c61
SHA1 5ec65ba316adb9a2e9c1a15c4a647eaba30b7536
SHA512 aa0182006af347d1874dac67e28d5730311f10c85405edc0e9b97fa930e3d2c9de7b8e0ce7e8db2bc2f52bff739e6a96306844e497b65e519068257bc0e596cd
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