63fd97768988728c848f9af9212e887da6b63badb05b83dba96e66e88815a34a

General

Target
2026-08-31_183db5981b9bc968ab9374a9532b9b50_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260831-2mw4cssyaw
SHA256 63fd97768988728c848f9af9212e887da6b63badb05b83dba96e66e88815a34a
MD5 183db5981b9bc968ab9374a9532b9b50
SHA1 e14841e62b471ded4d13efc2e7df61ecc9820750
SHA512 c6e28321d91f8e639280a1d8761ebc952cfb5c81a8c8038f0d5711568409bfb6780c7286149f84669df513a6ca6ea97df25cd9f361d112ce246b8a37a04745fa
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTKjwugioz/uUoxktfquS:ZhpAyazIlyazTK2xjekIuS
TLSH
T157939D03B6D2C171F4B70A7109A9CE510A7FBE724EB28E573394258D46B16C05F3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4172	CTS.exe
4968	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"	2026-08-31_183db5981b9bc968ab9374a9532b9b50_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	2026-08-31_183db5981b9bc968ab9374a9532b9b50_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	2026-08-31_183db5981b9bc968ab9374a9532b9b50_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	360	2026-08-31_183db5981b9bc968ab9374a9532b9b50_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4172	CTS.exe
Token: SeDebugPrivilege	4968	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 360 wrote to memory of 4172	360	2026-08-31_183db5981b9bc968ab9374a9532b9b50_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-31_183db5981b9bc968ab9374a9532b9b50_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-31_183db5981b9bc968ab9374a9532b9b50_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:360
- 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:4172

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:4968

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 427a45ddaef9af670ddf33b2564536275b30566cc811f386cbc1d7839d2d076a
MD5 45f46bb83ed1ed097cd63bf5df4c5d4f
SHA1 8de7f7c8e6a5bc361789e553aac1de2606dda436
SHA512 93a550d16b37269b3519b2d6d323c17b4d42136c0ebb7b42f3446fc722ee4ee5ef8e5872e30447913f4a1574e5817c407ef1002e8e4e67ff0a6ccff50de2d7c8
SSDEEP 12288:hS0NoHndkj0ZYiPIeji1cA0nGh7pVoie/F+QX3ji6WHdc:DB0WigeGcxypkdFTUdc
TLSH
T1BCC412037BD98474F5368A36E9E6DC510A7F7D352AF28E63A7D024AC1A710C05D2EB63
MD5 SHA1 SHA512 SSDEEP TLSH

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W82BsAmBOIPLCQQ.exe

Path C:\Users\Admin\AppData\Local\Temp\W82BsAmBOIPLCQQ.exe
Size 95KB
SHA256 e0b3f835517f52e38b00703b4fc7b5576614a572fc1bcecc1aec9aad13d6904f
MD5 e40f09be8908b856a7343c40615a33dc
SHA1 a40498dba96e1375333ab1d9328569a1984ad6b3
SHA512 0120d4dbc2346587a50714d252559235436984eb54ae7a11edcc781baf8a489b54669f1c9877de2427c28413b543d4b02f72195b1ca2ec69504d7a60a2003b8c
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTEu2fHVZmuBqC2GOBxunQ:ZhpAyazIlyazTEu41ZlBqyOfb
TLSH
T12593AE03B6C6C170E0770A7609A8CE514A7FBE765FB58D5737C4219E0AB16C08E3AB67
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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads