49a3a1dd54669de57f760e400f396b2eb21ab324c41f2b08cdfe0f6263ad1bc3

General

Target
2026-08-18_b5f0a1d43529f8a0226bf2087d6869df_bkransomware_elex_maze_rhadamanthys.exe
Size 96KB
Sample260818-24e66ssdld
SHA256 49a3a1dd54669de57f760e400f396b2eb21ab324c41f2b08cdfe0f6263ad1bc3
MD5 b5f0a1d43529f8a0226bf2087d6869df
SHA1 0acd499bad057843f008930a2f2f397284811bb1
SHA512 ffe86a15a3d4fc2f087929b888e8978c0eb563d20d23caeea8669bc96bff8260cf9a9f2cdf46ba39f8ba15696f5a684a4aa75f25fcb5a1395c948b20e4a54b31
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTbUbxC5TpFzpDJWWcG8ktbqN:ZRpAyazIliazTzbFVCG8J
TLSH
T1BCA39D03B6D2C170E4B7067248B8CE5147AFBE765EB18D5737C4218D4AB52D08E39BAB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1984	RTQyrBQkexCjJmZ.exe
4328	CTS.exe
3900	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"	CTS.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"	2026-08-18_b5f0a1d43529f8a0226bf2087d6869df_bkransomware_elex_maze_rhadamanthys.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-08-18_b5f0a1d43529f8a0226bf2087d6869df_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	2026-08-18_b5f0a1d43529f8a0226bf2087d6869df_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	1132	2026-08-18_b5f0a1d43529f8a0226bf2087d6869df_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4328	CTS.exe
Token: SeDebugPrivilege	3900	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 1984	1132	2026-08-18_b5f0a1d43529f8a0226bf2087d6869df_bkransomware_elex_maze_rhadamanthys.exe	89
PID 1132 wrote to memory of 4328	1132	2026-08-18_b5f0a1d43529f8a0226bf2087d6869df_bkransomware_elex_maze_rhadamanthys.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-18_b5f0a1d43529f8a0226bf2087d6869df_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-18_b5f0a1d43529f8a0226bf2087d6869df_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:1132
- C:\Users\Admin\AppData\Local\Temp\RTQyrBQkexCjJmZ.exe
  C:\Users\Admin\AppData\Local\Temp\RTQyrBQkexCjJmZ.exe
  2⤵
  - Executes dropped EXE
  PID:1984
- 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:4328

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:3900

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 9fff6535e359ff347a2b5f75219b80e1cced1abd5658cebaa35cc7ca8db07ff5
MD5 e6090da1134f5501825c161cb64a9494
SHA1 0e8ff732f0f8387179a875cb74c58da244a72e95
SHA512 9c99c023a309f4ae1edc3fff2fb109d585dd941ed061d972b0939f3c1d46c51693baec6bfcd573314cb25145db4a182fd67f6696d415428044a3dbbe7e31fdec
SSDEEP 12288:xC0I3gc3nYp1GF2C/xHp2qKYSdWrtOEmzqv2FZs07lhxiPVHEPJ4AXKy1U:DigGUGlFIWR5Ve7sAidHEP5TG
TLSH
T130C41213329285B0F5BB193088649C64862F7E624BF19EEF77C0764E16B51E10D36BBB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

RTQyrBQkexCjJmZ.exe

Path C:\Users\Admin\AppData\Local\Temp\RTQyrBQkexCjJmZ.exe
Size 25KB
SHA256 5f411c0bd9ed9a42b0f07ed568c7d0cf358a83063b225a1f8f7da3296dde90f1
MD5 abbd49c180a2f8703f6306d6fa731fdc
SHA1 d63f4bfe7f74936b2fbace803e3da6103fbf6586
SHA512 290dd984acc451b778f3db8c510bae7aec1d9547c3ad0a1829df731c136e4ecc9a37dc6a786cf8f1ecc4d14339aed1288af25055f450f6f953138c8d4d5c36e9
SSDEEP 384:OSZ/JKNZKZCGRHJPth4VKAvDgDJgoku8:OSQQTRJPzkKAEN
TLSH
T1A8B2291FF21694E9C14AC2B4D5EF5B33A5B3BD311AB12B2D8368F3606F51690693EA40
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

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memory/1984-10-0x0000000000400000-0x000000000040D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads