40478cbb5116ccf26a8a25731c67be79988276cb93386327d8f230b9cae213d2

General

Target
2026-07-02_e23bea998e60be0ffa660ff4aa7b7442_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260702-try5hshv91
SHA256 40478cbb5116ccf26a8a25731c67be79988276cb93386327d8f230b9cae213d2
MD5 e23bea998e60be0ffa660ff4aa7b7442
SHA1 1e596c2beb51af6d3c6c727c496cdbccbce60e74
SHA512 fb2a46fa8af3dfbf397f74a934e6c8b4485722dede74d664b129d78322638b3787dfe3777e9883c1f3f0de4ea44ba05c40f3fb97f0cd4f863b7627cd4ec108dd
SSDEEP 98304:DqEjYoecA5GbnJjEbXHZnXfXdw+0uWqcEQPbWOsdzo:2EjYo65KJjEz0uuIrzo
TLSH
T17EF533632A42887DD4A78BBE486A7E11C27BBE7B1EF4D54B07D414DD069E1D00E2CE27
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000016b38-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
3764	bZ2uK0sfb6lNl5X.exe
5856	CTS.exe
3824	bZ2uK0sfb6lNl5X.exe
3268	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"	2026-07-02_e23bea998e60be0ffa660ff4aa7b7442_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	2026-07-02_e23bea998e60be0ffa660ff4aa7b7442_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	2026-07-02_e23bea998e60be0ffa660ff4aa7b7442_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	bZ2uK0sfb6lNl5X.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bZ2uK0sfb6lNl5X.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	2026-07-02_e23bea998e60be0ffa660ff4aa7b7442_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5856	CTS.exe
Token: SeDebugPrivilege	3268	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 3764	2528	2026-07-02_e23bea998e60be0ffa660ff4aa7b7442_bkransomware_elex_maze_rhadamanthys.exe	88
PID 2528 wrote to memory of 5856	2528	2026-07-02_e23bea998e60be0ffa660ff4aa7b7442_bkransomware_elex_maze_rhadamanthys.exe	89
PID 3764 wrote to memory of 3824	3764	bZ2uK0sfb6lNl5X.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-02_e23bea998e60be0ffa660ff4aa7b7442_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-02_e23bea998e60be0ffa660ff4aa7b7442_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:2528
- C:\Users\Admin\AppData\Local\Temp\bZ2uK0sfb6lNl5X.exe
  C:\Users\Admin\AppData\Local\Temp\bZ2uK0sfb6lNl5X.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3764
- - C:\Users\Admin\AppData\Local\Temp\bZ2uK0sfb6lNl5X.exe
    C:\Users\Admin\AppData\Local\Temp\bZ2uK0sfb6lNl5X.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=0x2b4,0x2a0,0x2bc,0x2b8,0x2c0,0xb582fc,0xb5830c,0xb5831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3824
- 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:5856

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:3268

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

onenote.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\onenote.exe_Rules.xml
Size 1.1MB
SHA256 7f91fecd8d358f878ad1fc5d9b53f2ca746c102ac2459d93ed1585ca51bd2fbf
MD5 3071aa1a06d2fb2c015098e0e91fc05d
SHA1 5c2905afbd208e33b9a2b2564647b8c1ba577ce7
SHA512 97e0edfea1f77adec98e94f2be4c079a7aba63f850d5ead493619b8f8ed529e13c8aa9d0b41b70bcc38c1cbb1190414d40d862e46840eaa63a32ae21715dfdfd
SSDEEP 24576:DFyf65K90ic40HV+uNh9zqxgcmsAVfeUIz+F4ABcLarLEOn4U2hpqEL5:DFf5Icjz5iCF4QcLeLEO455
TLSH
T19C452313F5C1917DF2A60271D5BACD5013BFB9364BA04E16A3D0D89DA876180DB2AB3F
MD5 SHA1 SHA512 SSDEEP TLSH

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bZ2uK0sfb6lNl5X.exe

Path C:\Users\Admin\AppData\Local\Temp\bZ2uK0sfb6lNl5X.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 7d92fc967c5b35a6efdaf7abaab5fc43006e98c6a86db21ad513aab325a74e05
MD5 292a97a44a092b26fd61cbd99400348a
SHA1 a4ff1bc0b7b29469b1c11e2a7a67d31089bcfe1b
SHA512 e7c8bf8c4141dacc607697220bd4c1f2d2e82976d41ccdc9c312b4bf9c7060737bc9cec6494620f6093fc38d80f395ad503d3dee42ff1a0a2caf86f11730d793
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