0cff772bd929f0991ac0c56c2b6c8db9c6b8138c6b43939743eb2e2c6c7e7bac

General

Target
2026-05-11_4b8d8caf8c4d0ad1c1a25aa9bc6cd896_bkransomware_elex_maze_rhadamanthys.exe
Size 211KB
Sample260511-t49f1sey21
SHA256 0cff772bd929f0991ac0c56c2b6c8db9c6b8138c6b43939743eb2e2c6c7e7bac
MD5 4b8d8caf8c4d0ad1c1a25aa9bc6cd896
SHA1 bb4081e3f6494efb296f0210f2dad54766030f09
SHA512 52e20efd7bea7f594d3808521ff384433020f1257a692d74efb6884fdaf91d81cb168dae091e253e86eaa35f079a06fab7b35c39ed5fb2a2a408f101d654c086
SSDEEP 3072:ZRpAyazIliazTPHG3RBAgtc2Oym+fJPPDFbsZRZXBt4zqaV06+:xZ8azLHzycpc5ds3Zz6VV0p
TLSH
T1E024F103B2D5C671E1F34A3648B4CA5007BFBE766EF18C572388614E0A756D14E3AB6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1852	qmaTieq44SXDXpl.exe
4680	CTS.exe
2004	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"	2026-05-11_4b8d8caf8c4d0ad1c1a25aa9bc6cd896_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	CTS.exe
File created	C:\Windows\CTS.exe	2026-05-11_4b8d8caf8c4d0ad1c1a25aa9bc6cd896_bkransomware_elex_maze_rhadamanthys.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	2026-05-11_4b8d8caf8c4d0ad1c1a25aa9bc6cd896_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	qmaTieq44SXDXpl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	2026-05-11_4b8d8caf8c4d0ad1c1a25aa9bc6cd896_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4680	CTS.exe
Token: SeDebugPrivilege	2004	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1852	1292	2026-05-11_4b8d8caf8c4d0ad1c1a25aa9bc6cd896_bkransomware_elex_maze_rhadamanthys.exe	79
PID 1292 wrote to memory of 4680	1292	2026-05-11_4b8d8caf8c4d0ad1c1a25aa9bc6cd896_bkransomware_elex_maze_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-11_4b8d8caf8c4d0ad1c1a25aa9bc6cd896_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-11_4b8d8caf8c4d0ad1c1a25aa9bc6cd896_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:1292
- C:\Users\Admin\AppData\Local\Temp\qmaTieq44SXDXpl.exe
  C:\Users\Admin\AppData\Local\Temp\qmaTieq44SXDXpl.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1852
- 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:4680

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:2004

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 391KB
SHA256 58a5781745c3547a4c7ca3f3263b6cbf3a49977e08a561cf0722474491d5b050
MD5 4bc5c60dd9eea42b625f333b9700b2d7
SHA1 b201fa753041ea8b15e11e0a7244f1048458ad99
SHA512 76d4fb36df2fd07222fc2f788572cc75f36eb991c956b08f2e9c19998dc469a38ccd54cf4089c4e844f3f9a4aa4ca333f60c1a7e65008052bdc38725a68a0154
SSDEEP 12288:xC0BuIPUn+S+AgFlpBegsSW+V4eLkjQZLy+UulcjJ:DIJnCFlnhh4eWIuJL
TLSH
T1EB841217FBE99172E0770A325AF18E460A6F7D7695B08A5A33C470CE56351C08F38B6B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

qmaTieq44SXDXpl.exe

Path C:\Users\Admin\AppData\Local\Temp\qmaTieq44SXDXpl.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

memory/1852-32-0x0000000000FD0000-0x00000000015D2000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads