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
2288	CTS.exe
4420	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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-02_54f18dc8553b5574441937c61fdbaf28_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	2026-08-02_54f18dc8553b5574441937c61fdbaf28_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2288	CTS.exe
Token: SeDebugPrivilege	4420	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2288	1964	2026-08-02_54f18dc8553b5574441937c61fdbaf28_bkransomware_elex_maze_rhadamanthys.exe	86

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:1964
- 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:2288

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:4420

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 5587aed8de9b9a068a28676f97c9b07260458fce298f644cafe0b7d7a40ce364
MD5 374c861fc6221a6edc1d57a0f13b630e
SHA1 405e4bc404c3fb3b7063541ed2d2c4b06a372eb0
SHA512 f65722b034d6233970a1307e8a4b5f23c885b584c52be50b2054d13aab2ddee3cf307f09707c13ced908dfe24b330d99555463b30b3aed99342521af60c609c5
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTKS:ZhpAyazIlyazTKS
TLSH
T15F737C03B6D2C171E4B70A7209B9CE51067FBE765EB18D5737C4218E4A752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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Kqy87tSMO1zYTso.exe

Path C:\Users\Admin\AppData\Local\Temp\Kqy87tSMO1zYTso.exe
Size 95KB
SHA256 d5257008f9935bf8f9d5dda046b04f36bedc5cae730aac23e92fa6ffbcf63976
MD5 90e0a76cf503afdb990c026fba133298
SHA1 40c0aec8f3b24f824ce17e85902d2e51252f363c
SHA512 ad255cb858de36ec25a4d9493accda8f1bdca85b88249f0192a7cb0e336c82b72980b5fb5cd62b7f220697f12f68ff512e549b5c551539154c26b683e0a12100
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTXZIhIolqZ4DJfzFx:ZhpAyazIlyazTJIhIMkYzFx
TLSH
T106939D13B6D6C170E4B7063249A4CE5107BFBD761FB28D9B3384258E09762C15E3ABA7
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