1b1f1ad2213b7f3633dcdffd48ae1039e3887131a4aa444179f7653452ec058f

General

Target
2026-05-17_de91e111a887971b03824483e6448058_bkransomware_elex_maze_rhadamanthys.exe
Size 211KB
Sample260517-m5mkbaft2s
SHA256 1b1f1ad2213b7f3633dcdffd48ae1039e3887131a4aa444179f7653452ec058f
MD5 de91e111a887971b03824483e6448058
SHA1 0874e0bfaa401871b499ce69a4a2079c8206d81e
SHA512 ebc980613ad4ecb3c91e54d3dd16f036dea0bd6fd9a8249e4eaf209471e81034ce69f78e98e144105c2eac495c928e49199c8c25d4d950572e1e681c64dedfd5
SSDEEP 3072:ZRpAyazIliazTNLZSJbAx13gqRHiG81odzYjT2kunoNTWj+vD5+UV2C:xZ8azR9PxOqtGCYjiku+WjG1
TLSH
T14624F003B6D681B0F5A7067509B89D610B7FBD761FB08D8A73C4218D0AB21D18E79F6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3332	zvzfoho4GQWMCOY.exe
4216	CTS.exe
2508	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"	2026-05-17_de91e111a887971b03824483e6448058_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	2026-05-17_de91e111a887971b03824483e6448058_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 3 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	2026-05-17_de91e111a887971b03824483e6448058_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zvzfoho4GQWMCOY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3188	2026-05-17_de91e111a887971b03824483e6448058_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4216	CTS.exe
Token: SeDebugPrivilege	2508	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 3332	3188	2026-05-17_de91e111a887971b03824483e6448058_bkransomware_elex_maze_rhadamanthys.exe	80
PID 3188 wrote to memory of 4216	3188	2026-05-17_de91e111a887971b03824483e6448058_bkransomware_elex_maze_rhadamanthys.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-05-17_de91e111a887971b03824483e6448058_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-17_de91e111a887971b03824483e6448058_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:3188
- C:\Users\Admin\AppData\Local\Temp\zvzfoho4GQWMCOY.exe
  C:\Users\Admin\AppData\Local\Temp\zvzfoho4GQWMCOY.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3332
- 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:4216

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:2508

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 393KB
SHA256 7707c9134b14d6ce7208bd601c293487427049bb94fa09a3545b0c56c20be726
MD5 abc1064a259a86a55c92ce57e312dddd
SHA1 3c5299707d1195eb7ff3db2a240260e2abc715b5
SHA512 752b4f42c46d8cf4e7f362510b6fa53cb903db43ec030897deefe25133731de2d70a1993359b77a502b176671f057d4fa30f46bef1aeffbeba672c1f64477f0b
SSDEEP 12288:xC0t+TUd0WL2M8Y7XAFCHYxn1x1vFAbeA:DZL0EYxBW7
TLSH
T1EF84120376C1C430F0770A7369A4CE52463F7D36A6B1AD667784209E5A7A2C18E79FB3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

zvzfoho4GQWMCOY.exe

Path C:\Users\Admin\AppData\Local\Temp\zvzfoho4GQWMCOY.exe
Size 140KB
SHA256 a09f012723c5425bb928399302eb90362116855b3d0612347e76e8b7c82127b7
MD5 9c98d1a23efaf1b156a130cea7d2ee3a
SHA1 947a300323ce1b2468422ad62316cb5da039e423
SHA512 f74396ce284ca7f02f51474ddec39629310451743e7ca08deda9f43cb314d97c7671ea3c504f3f09495e733a6b9bc196ae971553e9e3c4741b287e613be6ef6f
SSDEEP 3072:1JEXiJu7COG12zuf9AxnPKiadKSUoxzWCtnRPF9EVnb43jaI5grI2v0:0K9J2JPT/SUxCtnRPF9cCGrI2v
TLSH
T198E3AF13BAC1D475F671083428769A91CA3FFC815F615EAB3B98357A4F342C09932EA7
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