a6f8f73bb4299e0dc928695d58787b163ba334958ea4ea12a9a54a3d2db1cc03

General

Target
2026-08-15_01624c166418c6f2071c8d3f53b64734_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260815-1mtskavwhw
SHA256 a6f8f73bb4299e0dc928695d58787b163ba334958ea4ea12a9a54a3d2db1cc03
MD5 01624c166418c6f2071c8d3f53b64734
SHA1 5438634b18500928601a0eed64acf3bbd2a89a89
SHA512 01b1f954c58adbc277f7d64f9c6604d758bdef6d031b2741bfde4241162b43c76bc8302e7beec26f1b5a3d3bbf8187dd969a900cfced142a384fd81afd26657b
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTAKOE+DTCggP9XtFBW:ZhpAyazIlyazTVOEtjljBW
TLSH
T12F939E13B6D68170F0B70A7248A9CE514A6FBE725FB18D5733C4218E45752C09E3ABAB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1556	CTS.exe
5160	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"	2026-08-15_01624c166418c6f2071c8d3f53b64734_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	2026-08-15_01624c166418c6f2071c8d3f53b64734_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	2026-08-15_01624c166418c6f2071c8d3f53b64734_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	1372	2026-08-15_01624c166418c6f2071c8d3f53b64734_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1556	CTS.exe
Token: SeDebugPrivilege	5160	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 1556	1372	2026-08-15_01624c166418c6f2071c8d3f53b64734_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-15_01624c166418c6f2071c8d3f53b64734_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_01624c166418c6f2071c8d3f53b64734_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:1372
- 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:1556

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:5160

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 75cf60b2905e8b6fb0d82f0051c07511a5e4943478a503d197fe4eb3ab37c81d
MD5 5f648e66ce6a490b0f802f180bb5131d
SHA1 79aa5fdc489d0bb948e05d3b72c916eca63bc91d
SHA512 d5f99ef4c5459aa94c7ddbfc055db71a2bcd7dfc08975d35b66680b1ea187d40cf79f45eb25fef54450260b564cd442890358c161b1b454f4340a9501fb3ffed
SSDEEP 12288:hS0/RckeDWU4Bp1z5zNOf0ZuSbos486gYbO788SPQMf:DGDW7p5zgf0cSboP86gh8Nf
TLSH
T164C41253F6E89630F8A752B60924CD140EBFBA724AB2CD5337E1658D90790C2ED25B73
MD5 SHA1 SHA512 SSDEEP TLSH

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MjLucZojqvQzGe4.exe

Path C:\Users\Admin\AppData\Local\Temp\MjLucZojqvQzGe4.exe
Size 95KB
SHA256 bb9776aebfe6a53eb7ae0de86b8d3ec6660ffd2b9aeda96c2e8bb453f7a71a7e
MD5 6c64846f1b556ec8db6c4928673c0de9
SHA1 ff6bebdb92522d48a0e6e43372c1b8eec24bab8d
SHA512 3937e73522abb7257f9a3fbf40a088299886b688640723cbcda71e02138eb2b0faab7b6f48ca19dead6cf422e00aee8cce007222db273ad3f5fbca19b99b9c28
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTDHwznUbP2tkWnKYTpc1A:ZhpAyazIlyazTDQGIvnSC
TLSH
T190938C03B6D28071E4B70A7608B5CE61077FBD761FB18D5B3384258E56B52C08E3ABA7
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