07c15bf1863706c48a9778a0935960735889b389e25ba74cd2661c45eaf451db

General

Target
2026-08-12_7571bb4127d41d103c95844f4fddff47_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260813-a9drraw1cs
SHA256 07c15bf1863706c48a9778a0935960735889b389e25ba74cd2661c45eaf451db
MD5 7571bb4127d41d103c95844f4fddff47
SHA1 501ff0a24e3f131ae5b9570711fa18188dbcac28
SHA512 62ffbc90fcdc16e5266c125cfa3b3f35dd10e22c02461fcc97551647f2baeb4af75b516253ffa891c6dd83e3600960d56c894016e1ed8e42ab48b4060feb8426
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTITBlrd7u3oBpGKVCWl:ZhpAyazIlyazTeBlZ63oP3VCWl
TLSH
T17B939E03BAD2C075E4774A7649B4CE510A7FBE324EB18D9B7390219E06752D08E3AB67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3020	CTS.exe
4320	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"	2026-08-12_7571bb4127d41d103c95844f4fddff47_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	2026-08-12_7571bb4127d41d103c95844f4fddff47_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	2026-08-12_7571bb4127d41d103c95844f4fddff47_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4292	2026-08-12_7571bb4127d41d103c95844f4fddff47_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3020	CTS.exe
Token: SeDebugPrivilege	4320	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 3020	4292	2026-08-12_7571bb4127d41d103c95844f4fddff47_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-12_7571bb4127d41d103c95844f4fddff47_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-12_7571bb4127d41d103c95844f4fddff47_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:4292
- 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:3020

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:4320

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 12eb1883756f37518caae4674bed89f8c74b3f3c27c61a1eead572ad087dc70a
MD5 c8a69d232fd792a690159994389a89a0
SHA1 337da6e524a8172d3b51641a1af039e50abf06eb
SHA512 d735a8f95aa04af0c8ff97803c2a58b48b7ce343b876b3f40b1ad2fde7ab661056e3860ca9314313ec4d3bcef59205b9866aedc11a478a458f872b9da803254c
SSDEEP 12288:hS06x/kM6CK3d0DpGDJTmYOi4J6MnTi/qhS:D6xMtCK3Nxm7/J6WS
TLSH
T1C4C41217B6C34132F07349701CA4CEA146AF7E761DA29C93678450DEAA229C55E3CFBB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

AzSuFqa4kB93UiV.exe

Path C:\Users\Admin\AppData\Local\Temp\AzSuFqa4kB93UiV.exe
Size 95KB
SHA256 fdde23b096e70e4f6640a97265ffcc3bd325e58320a66337ed1aacc378e4acbc
MD5 083ae660c090756551651eb65d5e2793
SHA1 f13a91191a2be34aa41c8b4392135165adfc0ffb
SHA512 25dcc5800bfa22ebd4a2911f2bbd82e7a8791e591178f6889d04e13ff7e28cb100a2ee8358e237af70159a91f0424a9179b412d1c86cce5d18428b758d38e570
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTkLqpl+dmBs9opHLuFDPrOu1Ch4N:ZhpAyazIlyazTkLqpl+Jmobrr1C0
TLSH
T1F1939D13B6D2C171F4B70A3249A9CE510BAFBE365FB18D573784258D19721C08E39BAB
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