225be571a836749b857a4d4082f530fa17862e1491d61cdcc4ed5c8ae87b9909

General

Target
2026-08-02_54f18dc8553b5574441937c61fdbaf28_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260802-ntabaasblg
SHA256 225be571a836749b857a4d4082f530fa17862e1491d61cdcc4ed5c8ae87b9909
MD5 54f18dc8553b5574441937c61fdbaf28
SHA1 40b910dc7e48c3c5395fad5d4460eec12d49b084
SHA512 3a4a48e26161351c38e2b1d805231831d93e2198ce4478fe1ae578e6a7c5e0494080e84eae7453aa764ba6c7920f5a8c8fbc8412fbfd52e09f7db39c7464dac2
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT9WDPLVeicMAAijgfFaJdwjZIQMV:ZhpAyazIlyazTADPLVqMDwgfWQW
TLSH
T116939E0376D2C170E4B30A7609A4CE650ABFBE755EB28D9B37D4218D45752C08E39BB7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5680	CTS.exe
1748	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"	2026-08-02_54f18dc8553b5574441937c61fdbaf28_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	2026-08-02_54f18dc8553b5574441937c61fdbaf28_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	2026-08-02_54f18dc8553b5574441937c61fdbaf28_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	5156	2026-08-02_54f18dc8553b5574441937c61fdbaf28_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5680	CTS.exe
Token: SeDebugPrivilege	1748	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5156 wrote to memory of 5680	5156	2026-08-02_54f18dc8553b5574441937c61fdbaf28_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_54f18dc8553b5574441937c61fdbaf28_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_54f18dc8553b5574441937c61fdbaf28_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:5156
- 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:5680

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:1748

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 a6c03af23f9be96f8712eebcff91aa49787229ad1215d22c4c07ed92ee8281d5
MD5 1b86233f0e5fb5b015a65230cf437f76
SHA1 b4bde40166cfc9abbfb66501b9cc29c184587d41
SHA512 263b61d7375c439106803cf2a14f18e84357cd30db816aad31b4f0959ab8322cebbf28fe14c281948aa1ea20eb609d98e2a0e4925e5b58190043d80210e0d02a
SSDEEP 12288:hS0r20Jz9ztHdjmsMlDLfjo/1UX73NeZ6JZoXoul5:D1hZdQHfjQ1kfoB
TLSH
T13FC4121737E6C471E5771BB3499ADE2407AFBD7A1A76CC9BA380306C16701C09E29B27
MD5 SHA1 SHA512 SSDEEP TLSH

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H6Xug8ctcrCgIS8.exe

Path C:\Users\Admin\AppData\Local\Temp\H6Xug8ctcrCgIS8.exe
Size 95KB
SHA256 77c6d1ab886ca48b1899e7594576118454ca7a35776390d8531aa935ad445a34
MD5 5c553f47d4061898972b6262477d7a8c
SHA1 f9023edecb40b2b363ff58716c4eb1e7c6499983
SHA512 cf6513db52d27bb94874d6f8cba1b7d15ddb4110cc317865de31163ea5d4c5f2b2b25a601626916831b9072e6ff8903b83f799154cf34475d522690da38d44d8
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTz7Tqb8X1DnGRge:ZhpAyazIlyazTcn1
TLSH
T15393AD03B6D2C171E4B70A3608A9CE510B7FBE765EB28E5737C4219D05B52C09E39BA7
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