127705a3a04b2a07f3f5e415b5d00599e0b40241665bdaea866aadaa2165a0e5

General

Target
2026-05-17_a878e8f1d5405a7d91a881fb22324971_bkransomware_elex_maze_rhadamanthys.exe
Size 71KB
Sample260517-remvlsds2p
SHA256 127705a3a04b2a07f3f5e415b5d00599e0b40241665bdaea866aadaa2165a0e5
MD5 a878e8f1d5405a7d91a881fb22324971
SHA1 a2952f04e920c563bd02ded750a27f377b72aa5c
SHA512 e6e94d26244df259b41a6d875c2b1bb42f5aa9a97828c138453a31b465ec9a7db5c662a6029cea1b59da7f4ae1f407b8c5d5b348d1dd009cc0e1f2e6fcf89def
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTY:ZhpAyazIlyazTY
TLSH
T104636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1652	CTS.exe
652	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"	2026-05-17_a878e8f1d5405a7d91a881fb22324971_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	2026-05-17_a878e8f1d5405a7d91a881fb22324971_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	2026-05-17_a878e8f1d5405a7d91a881fb22324971_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	1724	2026-05-17_a878e8f1d5405a7d91a881fb22324971_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1652	CTS.exe
Token: SeDebugPrivilege	652	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1652	1724	2026-05-17_a878e8f1d5405a7d91a881fb22324971_bkransomware_elex_maze_rhadamanthys.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-05-17_a878e8f1d5405a7d91a881fb22324971_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-17_a878e8f1d5405a7d91a881fb22324971_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:1724
- 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:1652

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:652

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 647054a92787ef228b82aa2a9d7cc9c93601dbb46166758b9033f0cc7ededdb4
MD5 78861d597bd9bfed296384c40802ec8b
SHA1 f7e33dc0f0e46649be72b0e9a7925f1ef98e91a4
SHA512 d7bbcccd3b5a79e712a6666ea04d8906caf4e389b6ba8acfbfb7a055d84886a4f8a245a7c216efecd077da91150fc97d42e4c352a3dacee9f9588e257efc9feb
SSDEEP 6144:hZMazrI0t7ioZfQ60RScu8cKpibJWWlkM2lDrGQMsYESBCDJrdgw7EoLuI05E:hS0rIn6Px8cz5mDMqqM9ytE
TLSH
T13584120376E1C1B1F5B3863124709E59467FBE32AA72C957B390604C5A25AD08F3EEB7
MD5 SHA1 SHA512 SSDEEP TLSH

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KvIo0sNksn2vvZJ.exe

Path C:\Users\Admin\AppData\Local\Temp\KvIo0sNksn2vvZJ.exe
Size 71KB
SHA256 154e8d243728e0d2ec62eff64f2adf51f88bc9519b136d107f3dd919ed838610
MD5 914be276621aa8d7aac4427d7981c162
SHA1 fe3ac4b48f8157725636fb54314e71ca025b9e94
SHA512 25c620e0c361ac9b091030c2843e1dbbd0bfb59a3c14ba95dbfb4259489462c3fa9784c8bb7d1d5d2d1f9a78628161d35bf8f98ac272a757c13bb08fb11bde61
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTS:ZhpAyazIlyazTS
TLSH
T1FC636B03B6D2C171E4B70A7649A8CE5106BFBE765EB18D5B3384218D09752C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
TLSH
T119636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
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