77a57d8170444f86f69d06fcc63eaf3ff3995866c7ae044c8c44328bafda0647

General

Target
2026-05-08_af280e3a9867c0688c26bb7bb0dbce62_bkransomware_elex_maze_rhadamanthys.exe
Size 211KB
Sample260509-b3m8aacy5k
SHA256 77a57d8170444f86f69d06fcc63eaf3ff3995866c7ae044c8c44328bafda0647
MD5 af280e3a9867c0688c26bb7bb0dbce62
SHA1 064c4618240211be0e637c34e34760eafc6f40aa
SHA512 1932a7e0e97d1fc3cdae5ef9885ac0adc1b1133251d30bc15ad3f2e7ec3fa2bd27a67b1d881e37420fcfb0f3754d821f0475704ad869ba2d9de1c5bf88a86385
SSDEEP 3072:ZRpAyazIliazTZzwJNWNg43lZv/44D9Y2vLR/AShgyLpthmTpOP7RR2XsGBbP0R5:xZ8az8AlZI0BASOydWTsP7PqBA
TLSH
T17E24F117B6C6D031E07B563109A1CE9107AFBE761EB28C2763D8319D56720C18E3EB6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
5944	Du2MMFKqWhCQ4PC.exe
5272	CTS.exe
4352	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"	2026-05-08_af280e3a9867c0688c26bb7bb0dbce62_bkransomware_elex_maze_rhadamanthys.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	2026-05-08_af280e3a9867c0688c26bb7bb0dbce62_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	2026-05-08_af280e3a9867c0688c26bb7bb0dbce62_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Du2MMFKqWhCQ4PC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	2026-05-08_af280e3a9867c0688c26bb7bb0dbce62_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5272	CTS.exe
Token: SeDebugPrivilege	4352	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 5944	1732	2026-05-08_af280e3a9867c0688c26bb7bb0dbce62_bkransomware_elex_maze_rhadamanthys.exe	79
PID 1732 wrote to memory of 5272	1732	2026-05-08_af280e3a9867c0688c26bb7bb0dbce62_bkransomware_elex_maze_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-08_af280e3a9867c0688c26bb7bb0dbce62_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-08_af280e3a9867c0688c26bb7bb0dbce62_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:1732
- C:\Users\Admin\AppData\Local\Temp\Du2MMFKqWhCQ4PC.exe
  C:\Users\Admin\AppData\Local\Temp\Du2MMFKqWhCQ4PC.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5944
- 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:5272

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:4352

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 393KB
SHA256 6f24b8e8c63445ade84e2a1379734d429ab756e44e3c41b0bd53dbe2e77497c2
MD5 24bdc7d8a994a37dcab7147e1cbe3951
SHA1 51e9d94ce0dfbdf3970547860a894f4008c05650
SHA512 5d5cfb468bfdbddbeaffa9294691e7bc01e80cf85a89493c13def1f87a35f3c44c7264010f74001aae4ded0c4bfb76fef6e93a12270952cf105f287b54dbb0a1
SSDEEP 6144:xZ8azuOhWT5S1CdhfLphyXczMrRWCg3tA3fbY/xX9QVwBudp4FJ2:xC0/fCdRqMzH53NbudpJ
TLSH
T166841203B6C1C234E4A6063615B8CE5547AFBC361FB29D8B77C060DE29B51C15E78BAB
MD5 SHA1 SHA512 SSDEEP TLSH

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Du2MMFKqWhCQ4PC.exe

Path C:\Users\Admin\AppData\Local\Temp\Du2MMFKqWhCQ4PC.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/5944-34-0x0000000002520000-0x00000000027AB000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads