135bf7a0ec26ead3720739382045aa30232289d9bd748dd607a32a5adf4d616b

General

Target
2026-08-24_7f0895cee2bf1cac563a5e5b04850714_bkransomware_elex_maze_rhadamanthys.exe
Size 96KB
Sample260825-lc6xtazckf
SHA256 135bf7a0ec26ead3720739382045aa30232289d9bd748dd607a32a5adf4d616b
MD5 7f0895cee2bf1cac563a5e5b04850714
SHA1 537e57383b7addfa08c5170d415dae84d926085e
SHA512 8418ff307fe3b17b379270adffd9cde242844aadfd3fff8f3966fa69f7f2c1f35141a4c59f70938a7fd6bee94daea77c777235cdf6b80cc0ae46f7a691853085
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT9jlgmtXK5q57a5Xqz9:ZhpAyazIlyazT99tX+tK9
TLSH
T111A3AE03B6D6C171E4B7063608A8CE5107BFBD765EB18D9B7394208D06B52C19E39BB7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
5372	FzwwK8tx4UMkUbM.exe
4968	CTS.exe
4500	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"	2026-08-24_7f0895cee2bf1cac563a5e5b04850714_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	2026-08-24_7f0895cee2bf1cac563a5e5b04850714_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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-24_7f0895cee2bf1cac563a5e5b04850714_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3620	2026-08-24_7f0895cee2bf1cac563a5e5b04850714_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4968	CTS.exe
Token: SeDebugPrivilege	4500	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 5372	3620	2026-08-24_7f0895cee2bf1cac563a5e5b04850714_bkransomware_elex_maze_rhadamanthys.exe	89
PID 3620 wrote to memory of 4968	3620	2026-08-24_7f0895cee2bf1cac563a5e5b04850714_bkransomware_elex_maze_rhadamanthys.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-24_7f0895cee2bf1cac563a5e5b04850714_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_7f0895cee2bf1cac563a5e5b04850714_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:3620
- C:\Users\Admin\AppData\Local\Temp\FzwwK8tx4UMkUbM.exe
  C:\Users\Admin\AppData\Local\Temp\FzwwK8tx4UMkUbM.exe
  2⤵
  - Executes dropped EXE
  PID:5372
- 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:4968

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:4500

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 78d422eeed68afd2c41b0f44f5f2715c48f3773d9fc65f288632b6f97b499e62
MD5 7bb5bd7c20a66a6373c51a118cab0754
SHA1 626aaf25df5eb85a7e81a9767343cc3b5f866eea
SHA512 f02a56fb08b1c3ebde7839e22589313319a0540eb0e06072a5144df569880f820dd84787df9bf903dadab5d84f36642bd7c7dcf0017d71fec4411b9753999572
SSDEEP 12288:hS0ATRSBZqoSgIDHU6SfB2mo87TSF2IpoCeFqKzUjK:DWGID0HYhRiUjK
TLSH
T1DAC41253B2C6A231E475073006A9AD700BAF7DB66A72DE5F33D045CE89B09C18E6476F
MD5 SHA1 SHA512 SSDEEP TLSH

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FzwwK8tx4UMkUbM.exe

Path C:\Users\Admin\AppData\Local\Temp\FzwwK8tx4UMkUbM.exe
Size 25KB
SHA256 5f411c0bd9ed9a42b0f07ed568c7d0cf358a83063b225a1f8f7da3296dde90f1
MD5 abbd49c180a2f8703f6306d6fa731fdc
SHA1 d63f4bfe7f74936b2fbace803e3da6103fbf6586
SHA512 290dd984acc451b778f3db8c510bae7aec1d9547c3ad0a1829df731c136e4ecc9a37dc6a786cf8f1ecc4d14339aed1288af25055f450f6f953138c8d4d5c36e9
SSDEEP 384:OSZ/JKNZKZCGRHJPth4VKAvDgDJgoku8:OSQQTRJPzkKAEN
TLSH
T1A8B2291FF21694E9C14AC2B4D5EF5B33A5B3BD311AB12B2D8368F3606F51690693EA40
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

memory/5372-10-0x0000000000400000-0x000000000040D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads