43289bb05030ac59ea76f29349660c4010b3d00bb6e62587781fb5da9b3f22da

General

Target
2026-07-02_3fac59c304514b4690fa0749acdb5837_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260702-g8nc5ads2t
SHA256 43289bb05030ac59ea76f29349660c4010b3d00bb6e62587781fb5da9b3f22da
MD5 3fac59c304514b4690fa0749acdb5837
SHA1 1298e32d97e81e29f4c4ba691c4fdf8e20f14029
SHA512 7a4b31b496b6ea7c31f28e968b179f64ea84573e029bdb1f4a1eaf5e5a7b811c00939a3e6cbd5f2d4927d19aa3478538e6ee07f211a74ab16177874cae7d6aba
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazToJzjBgaGEPZ5h:ZhpAyazIlyazToBjBgwZL
TLSH
T183939E03B6D2C171E0B7067608B8CE550AAFBE761FB18E6B37C4258D15716C09E39BA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3816	CTS.exe
2184	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"	2026-07-02_3fac59c304514b4690fa0749acdb5837_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	2026-07-02_3fac59c304514b4690fa0749acdb5837_bkransomware_elex_maze_rhadamanthys.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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-02_3fac59c304514b4690fa0749acdb5837_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	2026-07-02_3fac59c304514b4690fa0749acdb5837_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3816	CTS.exe
Token: SeDebugPrivilege	2184	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 3816	2288	2026-07-02_3fac59c304514b4690fa0749acdb5837_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-02_3fac59c304514b4690fa0749acdb5837_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-02_3fac59c304514b4690fa0749acdb5837_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:2288
- 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:3816

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:2184

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 ce19e4548e7eeb2fd64d055281cb723f09b2d19531c8dda372c76058392bc098
MD5 21722d07b2e64097a189a326c58e7efc
SHA1 625bde9914768d94c8a866bafc14c3160f2c6841
SHA512 b43b0ee7d81f3ae11c9a601fa18ab6ff4e925c84ef8d3dbbde21298a9ae2c979d0c16aa0ff6195ef871022b11bbcb7fc867a05773cf71d9101c05ddb19af819a
SSDEEP 12288:hS0LOiC6mderbP5GQylh9TJtERR72nxiYtlNQMQ91wWQoAEg:DLB2gr7UQylh2R5siYnx3WQo2
TLSH
T18FC412333BD1E135E4AA03B005598E71033FBE765AB26DA33784605D6975BC20B39B6B
MD5 SHA1 SHA512 SSDEEP TLSH

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hRkycgEawXP7pjv.exe

Path C:\Users\Admin\AppData\Local\Temp\hRkycgEawXP7pjv.exe
Size 95KB
SHA256 c90583c0ba57b5740de7ab3751ddaff70fbcdd9272eeb9c70132858ef462fb7f
MD5 8dbbdd69647fc7f263e5d6c2583d67d1
SHA1 9fa18c8ba0f707144593528588b8dea80142beab
SHA512 1bdf94592bc6d9a827ad5a4679e7c8af105d618a4413914680d495527231fca54acf22c6f518a17dcb80f76712ba33b9590f3813cf03045d9e75f6b2095b26a7
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTWQzhZ66lE5f4D6l6ERnJ+FH:ZhpAyazIlyazTW+dG5fo6l6E1YH
TLSH
T1FB93AE13B6D2C170E4B7063609A9CE61066FBE761FB18D5B33D4218E05752C18F3AB6B
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