37ef7310735858a53b4fcf8ab1e8d4a30e0dfd730412daff42dbbb5a04f99199

General

Target
2026-08-16_eca3f9bbef3f614ccc5202c31306271d_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260816-prrcfsdc92
SHA256 37ef7310735858a53b4fcf8ab1e8d4a30e0dfd730412daff42dbbb5a04f99199
MD5 eca3f9bbef3f614ccc5202c31306271d
SHA1 7500490df762a75bfafd2a45daf4b93ebf8666fb
SHA512 033c2c9604e88d2314413a3e4bf8f5f26935f296ac4dfe617c8b2928a339016bb336b297821c34db16f0ee6f6d174e976bec1756d49032634224d3af903a364f
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTi84K3j5Y0RToNW/Iu1g:ZhpAyazIlyazTiIjDRkNtu1g
TLSH
T13B939D03BAD2C131F4B7467248B4DE510A7FBE764BB19D4B7384218E0A752D14E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3248	CTS.exe
796	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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-08-16_eca3f9bbef3f614ccc5202c31306271d_bkransomware_elex_maze_rhadamanthys.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-08-16_eca3f9bbef3f614ccc5202c31306271d_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	2026-08-16_eca3f9bbef3f614ccc5202c31306271d_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5952	2026-08-16_eca3f9bbef3f614ccc5202c31306271d_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3248	CTS.exe
Token: SeDebugPrivilege	796	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5952 wrote to memory of 3248	5952	2026-08-16_eca3f9bbef3f614ccc5202c31306271d_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-16_eca3f9bbef3f614ccc5202c31306271d_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-16_eca3f9bbef3f614ccc5202c31306271d_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:5952
- 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:3248

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:796

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

onenote.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\onenote.exe_Rules.xml
Size 1.1MB
SHA256 1f72bc9f880224c57b9c05f46e218c9a1d602e82b82a804d8159924b29150532
MD5 dbc10d75115454b9fca1f675f58506df
SHA1 9a929bd805a6737c1661215bb003912064e7a656
SHA512 9f9b14b97a47a2efb2d98545c4b483fc5c4a50e9e75e502500049ee128ac044b62b87fb9f3e6bf66d08d1515fbd772c79cbe1341f98066127d278ca717c5405d
SSDEEP 24576:D9kOXnFY2YntSnJtFR1Eg8+ryHp6n3jnf6NGwSfMtM10GlHcxD9mJt0AoqD:D6O1YanZHEg8+uHknTnf6NqMS1TcxZaV
TLSH
T1074523A776C5D064E4BA23721AF5CE1D06EF787797B88C9B128C224D4AB12D01F24F67
MD5 SHA1 SHA512 SSDEEP TLSH

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ILGpIKt9eiYtKpo.exe

Path C:\Users\Admin\AppData\Local\Temp\ILGpIKt9eiYtKpo.exe
Size 95KB
SHA256 b55d24122918ca35b37ff01bbb2a131adc576acf4d4eb63a06084efcdcd61fd5
MD5 0929710dcc05d9f5f8775e82cfa3d200
SHA1 5e64e8e90bf0e4e84e17c4ff5fcaadab40e66b38
SHA512 e9435ab2009b060b398cd86382fb6fb57706a9e07ebd979cac61b6871974627d1087bdfce107a5dfbfe83178ef493f77b32e196c6aea230ed496204863e80ff9
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTB9twfR83oPX4tY8QHjYS2:ZhpAyazIlyazTB9twf4U4tYTN2
TLSH
T151939C03BAD2C171E4B70A3509B8CE21466F7E765FB1CD5B3384258D1A762C09E39B6B
MD5 SHA1 SHA512 SSDEEP TLSH

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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