31f626c3799bd00a33971037d5e18b43fa275f82cd4ae8c4ceef3d8ef51391f5

General

Target
2026-07-30_2eb0c70859ef4b31eed968767731fcf8_bkransomware_elex_maze_rhadamanthys.exe
Size 156KB
Sample260730-q44c8aae29
SHA256 31f626c3799bd00a33971037d5e18b43fa275f82cd4ae8c4ceef3d8ef51391f5
MD5 2eb0c70859ef4b31eed968767731fcf8
SHA1 d2fb967faff93f2a9162e320862839bc6dc476ac
SHA512 0fdd0fab39fdd7e0c18f4de2d1abae95aadcdbfe5377bd6af76856fd82560bbfcbbed4b02342f970c4f0c27e5bea91427d37922c3a381592bc54cec2c76f009e
SSDEEP 3072:ZRpAyazIliazTs6i0pneZ8NmXGINsJwnZdDec66RicZFZ:xZ8azw6vzAGYsJwjX66iin
TLSH
T1A5F3D003B6E6C071F4B6063649A4CE60077FBD765EB2DD477784258E0AB52C09E38B6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5496	CTS.exe
5660	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_2eb0c70859ef4b31eed968767731fcf8_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	2026-07-30_2eb0c70859ef4b31eed968767731fcf8_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	2026-07-30_2eb0c70859ef4b31eed968767731fcf8_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	1252	2026-07-30_2eb0c70859ef4b31eed968767731fcf8_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5496	CTS.exe
Token: SeDebugPrivilege	5660	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 5496	1252	2026-07-30_2eb0c70859ef4b31eed968767731fcf8_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-30_2eb0c70859ef4b31eed968767731fcf8_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-30_2eb0c70859ef4b31eed968767731fcf8_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:1252
- 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:5496

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:5660

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

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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 cbfb93a6392c941a7a738affb24ab5dcc50f952a41237368dad47957110483df
MD5 7959835c8d78131e64910665e40d4268
SHA1 a58a3a6c69c35fb09a62d99a9b749089712e269b
SHA512 dacd3220734612469353978894d15ea460ff77e0ca2ce3390dd5c6f9899547ba32417cd5e0e62ed954f00d44d2f50ee7b5bd04c52afbcf909cf865b859467aac
SSDEEP 12288:xC0d2kD7PpdfLz4lb2DL/tfnbCPv8D5niv7m51vEkERPg+et8d:DHn3iba/tKzv7MvEk4PcU
TLSH
T195C412037AC28031F9BB5EB504A1EA6003AF7A365EB6CD57F7C4250E9A715C09C677A3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tXwcQzSmHFIvPkb.exe

Path C:\Users\Admin\AppData\Local\Temp\tXwcQzSmHFIvPkb.exe
Size 156KB
SHA256 bdb70be48a5e03c4144adc9ebd53ee8db31c3637477b84024960f24731ec7c0f
MD5 b07814bdcb15b67f18cd5e499d0c7fe4
SHA1 0724f08c3f55c153a080c405782baecafabc7e5d
SHA512 c9b0817f0e81cd0a2b57fb77cbe407ef782a2bd858953553b4180e5919d529b36340dc1479284d7bef7d05dac9f522a3209f83370ffc920429be5b22e6834c90
SSDEEP 3072:ZRpAyazIliazTcnUbCeeF89szfJgvuy2kKlOwbOwJM:xZ8azUUXeF8EyBkOwny
TLSH
T1A0F3DF03B6D2C135E0B64A7609A5DE91066FBE328BB1CD5B33C4558D0AB85C09E3AF77
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

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Downloads