bf09be71265abee29000626b9a97431c7fabee50c6e7c4ccf73be0578cb0224d

General

Target
2026-07-23_36e30c4210bc8478eb4659b0c1ddb1de_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260723-vg6maatapf
SHA256 bf09be71265abee29000626b9a97431c7fabee50c6e7c4ccf73be0578cb0224d
MD5 36e30c4210bc8478eb4659b0c1ddb1de
SHA1 df79038da33f09ce0e9d8da56e0b3a3168aac7f4
SHA512 6eff69f247ec3cd41b00f5afc1173a575b54779b609030d0c425b3210e9646ff3db50c0b915fa8dc1b726a9d0f0ca7abc72ba5a4051c0f2ea94faf61ff7da9b9
SSDEEP 98304:DRt1QBV1OoN9A/ZHZmCsRp9ZH/7vrijxz51ZdOYVKmEE:jKBOIBhp7/7jijbHdpK/E
TLSH
T193F533287F616B22C6BACE311CD986624E7BBCB74BF04B32D18456DD01FA9D46C6CB05
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000019cb5-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
5048	5hB5XGeQCVGaZS6.exe
4264	CTS.exe
4356	5hB5XGeQCVGaZS6.exe
5992	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"	2026-07-23_36e30c4210bc8478eb4659b0c1ddb1de_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	2026-07-23_36e30c4210bc8478eb4659b0c1ddb1de_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	5hB5XGeQCVGaZS6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5hB5XGeQCVGaZS6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-23_36e30c4210bc8478eb4659b0c1ddb1de_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5948	2026-07-23_36e30c4210bc8478eb4659b0c1ddb1de_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4264	CTS.exe
Token: SeDebugPrivilege	5992	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5948 wrote to memory of 5048	5948	2026-07-23_36e30c4210bc8478eb4659b0c1ddb1de_bkransomware_elex_maze_rhadamanthys.exe	89
PID 5948 wrote to memory of 4264	5948	2026-07-23_36e30c4210bc8478eb4659b0c1ddb1de_bkransomware_elex_maze_rhadamanthys.exe	90
PID 5048 wrote to memory of 4356	5048	5hB5XGeQCVGaZS6.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-23_36e30c4210bc8478eb4659b0c1ddb1de_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_36e30c4210bc8478eb4659b0c1ddb1de_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:5948
- C:\Users\Admin\AppData\Local\Temp\5hB5XGeQCVGaZS6.exe
  C:\Users\Admin\AppData\Local\Temp\5hB5XGeQCVGaZS6.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5048
- - C:\Users\Admin\AppData\Local\Temp\5hB5XGeQCVGaZS6.exe
    C:\Users\Admin\AppData\Local\Temp\5hB5XGeQCVGaZS6.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,0x2b4,0x2c0,0x2b8,0x2c4,0xca82fc,0xca830c,0xca831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4356
- 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:4264

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:5992

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 d02838044a79f6b5086e5282043877f4b7ef53ab58faf9042b64a167e9f8dd85
MD5 d481add7829fa214f944d9deadf52744
SHA1 18ed33d86e3843bd1bdbabb76f3457c5a5dff6e5
SHA512 07567573e8b7393f3ff0380cab69c993438a3618f0fdcbf1f567740bcf19eb39e71fd7e6c4a5817471cd099daf6f6a8ebe6e3289d841f65951e4efacd6daacc4
SSDEEP 12288:hS0pqe8tGAmX6UAnac987ro7jgjvlQqY1pTl4yqY6o9XpY:DldxXN+ach7jgjvJY1pTuyjq
TLSH
T12AC42253BAD6C0F4E0B70AB60452DE14436FBDB15EB0998797C8209D9A391D09F28FB7
MD5 SHA1 SHA512 SSDEEP TLSH

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5hB5XGeQCVGaZS6.exe

Path C:\Users\Admin\AppData\Local\Temp\5hB5XGeQCVGaZS6.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 8a86f98f0b807d534564ac55beda932ef26b7d2ad3b87be5ffb66e364f939cc9
MD5 145bf5d83f0716c9160e46d8a8273c00
SHA1 7fad6cb605aaf3450d19909205780ae1112a53f8
SHA512 4b9c83f1ebcd53206bffca794610234e903ac5dcd2565b68b4d4cdf7f0320e412c3eb7bf872a38d20a6adca957da3f5b7db816d69567d9552fd71cbc933baf3f
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