512e4323a99ecb07c3d539309748e0382589dffb53896a9daea16376dd2986b7

General

Target
2026-07-30_786a4760d3241de435fcf3499b4f4414_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260730-jpvzzatdmf
SHA256 512e4323a99ecb07c3d539309748e0382589dffb53896a9daea16376dd2986b7
MD5 786a4760d3241de435fcf3499b4f4414
SHA1 04ef03a5ca41bb0192cbf990e0033844acf647f2
SHA512 0072ecbc097a7be2702a23d678b28353cd59ed9ebcec95dfc8041202084149131db1004566f25f98e666329beb84e2d6f276aaedce0c96367b5ab732277c3b4a
SSDEEP 49152:DLv1D6ln0KZt5IWq7HK9HU1yQ3qO64REXNzLjPuqDgUqP0xW2dY2YnYW5UAb0W8u:DLvYl0cSqq4YkuEXN2qUP0A2YnYWVeNE
TLSH
T135F53347B5C63A74F2FA413EDC06D958DDBAF8E119BB0847B18429D743B9980FE28643
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000d000000019cb1-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
4284	AusFFd1dKr7h7gZ.exe
5056	CTS.exe
996	AusFFd1dKr7h7gZ.exe
2500	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"	2026-07-30_786a4760d3241de435fcf3499b4f4414_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	2026-07-30_786a4760d3241de435fcf3499b4f4414_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	2026-07-30_786a4760d3241de435fcf3499b4f4414_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	AusFFd1dKr7h7gZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AusFFd1dKr7h7gZ.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3316	2026-07-30_786a4760d3241de435fcf3499b4f4414_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5056	CTS.exe
Token: SeDebugPrivilege	2500	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 4284	3316	2026-07-30_786a4760d3241de435fcf3499b4f4414_bkransomware_elex_maze_rhadamanthys.exe	89
PID 3316 wrote to memory of 5056	3316	2026-07-30_786a4760d3241de435fcf3499b4f4414_bkransomware_elex_maze_rhadamanthys.exe	90
PID 4284 wrote to memory of 996	4284	AusFFd1dKr7h7gZ.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-30_786a4760d3241de435fcf3499b4f4414_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-30_786a4760d3241de435fcf3499b4f4414_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:3316
- C:\Users\Admin\AppData\Local\Temp\AusFFd1dKr7h7gZ.exe
  C:\Users\Admin\AppData\Local\Temp\AusFFd1dKr7h7gZ.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4284
- - C:\Users\Admin\AppData\Local\Temp\AusFFd1dKr7h7gZ.exe
    C:\Users\Admin\AppData\Local\Temp\AusFFd1dKr7h7gZ.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=0x2b8,0x2b4,0x2bc,0x2b0,0x2c0,0x6a82fc,0x6a830c,0x6a831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:996
- 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:5056

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:2500

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 7761086a08be7e4807e6ca4941cf2d107673a2a97775f561cd62dd30d68a54b3
MD5 44f846d65f20626944a0aea0e960f402
SHA1 47fb8d95fc18199c32412a3cadb02570238fbd62
SHA512 2dbf8143e03e36ab0f1853218b64eaa11c07d6adddff81836b33b8eadf04a1ac5357562fa531def2af91a4c4600b20bf4873000338684ae0c1fa68fb5f863104
SSDEEP 12288:hS0UwWGZf80TSWRRrJMHLgDSycw2Hn+JhlLkYvIYChXCTecfP:DUrYhTT35DSycrH2IYAPhcH
TLSH
T175C4120BBAE095B6F8B20A7505B9DAA102BFBE216D70C9677395395C1EB50C20F31737
MD5 SHA1 SHA512 SSDEEP TLSH

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AusFFd1dKr7h7gZ.exe

Path C:\Users\Admin\AppData\Local\Temp\AusFFd1dKr7h7gZ.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 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 3dd76c5e3da8f4b1d75fb4e9ed2a8f5ec718b8c7cd6fbee6a1df8ebb5430688f
MD5 81b336c4acef921287d66e6defa867de
SHA1 2d9bdca5cc060bff9b5d83b2d0617c90a0c14921
SHA512 4ed2daef68290ce1df8e8e35f101bb135ebae2bdf3d7d95e977e7c34c4bbcf72426cb19bfe40094df1b390a6d3e7fbe1a8078acf56ba4df4544e3cbb47f1feb6
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