a66424849b2d117a030788c46d162d86396a4242c2f8ef61294cfb8c3dfed4f6

General

Target
2026-07-28_77b3cf130dc4293dce75e90fcc0b1899_bkransomware_elex_maze_rhadamanthys.exe
Size 557KB
Sample260728-w9x2aafk21
SHA256 a66424849b2d117a030788c46d162d86396a4242c2f8ef61294cfb8c3dfed4f6
MD5 77b3cf130dc4293dce75e90fcc0b1899
SHA1 fde83109baf701be190c0450faa53059a9641f34
SHA512 855605e2a7e196254740d09ab68618d9040aefccdb28ce2aa4e8814ac5dcc68c6b20bb3ccd78b528a23cf17130a4297715d94a5ab6e240135222fde76038f4a6
SSDEEP 12288:xC0WwL7W3feDDBfT+Bsgpn5cuRSja4YFKbh/KGxVYs3V9Kzt:DWwomDNfTxgp5XsJzl/lxCs3Czt
TLSH
T15EC41217B6CAD030F43242364AB9CE404ABF7A766AF49D93F78416CD567A0C06D787A3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1196	CTS.exe
6092	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"	2026-07-28_77b3cf130dc4293dce75e90fcc0b1899_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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-07-28_77b3cf130dc4293dce75e90fcc0b1899_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 2 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	2026-07-28_77b3cf130dc4293dce75e90fcc0b1899_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	2026-07-28_77b3cf130dc4293dce75e90fcc0b1899_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1196	CTS.exe
Token: SeDebugPrivilege	6092	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 1196	2440	2026-07-28_77b3cf130dc4293dce75e90fcc0b1899_bkransomware_elex_maze_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-28_77b3cf130dc4293dce75e90fcc0b1899_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_77b3cf130dc4293dce75e90fcc0b1899_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:2440
- 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:1196

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:6092

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

officeclicktorun.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml
Size 557KB
SHA256 bfc781f273391d44a739fdbac89a8011307a7331cdd5f9c459c444ad3d367509
MD5 2746af5279b5942396d7a6683eaecf8d
SHA1 6e828f525d7cc971cbd9a6a40d0c3f1201c8bd07
SHA512 6a071f349d375de2bf8a63f129f8ad6aea548813a6b4b9cd1b88288b5f2bd37bd1acb2bd20f1630956ad9b9d542838f6df3b8819ed95d40fc8b3df66997ba05d
SSDEEP 12288:xC0ur4Tb5C85dm43x9LyiIQZFubjSOQAgZiEb9wY2P:Dur4Tb5C8t3OibZQbWgSJwYs
TLSH
T183C42313F6DA42B0F0B2637298F48F51069FFE661EB2AD5733A4650D1B624C09E23B57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

4Lh6R0cfh8ZwlQ9.exe

Path C:\Users\Admin\AppData\Local\Temp\4Lh6R0cfh8ZwlQ9.exe
Size 557KB
SHA256 46e620a617ae94efe6c4dfbcf39eab664608ca3d1abea93cfe739f7fd5191b6d
MD5 e993aba48e757feba26cc129d9beae5d
SHA1 c93670a49190c6bbf5c9237752425902c48bc0a5
SHA512 c49b631c6321d5b618f62433bbc15f3c2ef8db7732dfb18818b8723fe8ae454770a5cb5621020c1046f0ca9583fbfd6d92c709ba857fd525d6848730b01cef98
SSDEEP 12288:xC0+tHk2NdEJ8Ykl5S3/jz8df8OwLqVHAPfVgigfWJuXtx:D+tLdBl0bz85FwUyfVgUgx
TLSH
T17BC4230336D1C1B1E0BE5A7654FDC6610AAFBD765B90A703378061AE86B93C14E3A727
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

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

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads