b9cdb743f8ae7a0d42b22e0614ea17fc3d1e9dad3cf69118dffc01cc37118b87

General

Target
2026-07-31_2a0b73be68d270797b62d37f04135cfe_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260801-aebnxabl4y
SHA256 b9cdb743f8ae7a0d42b22e0614ea17fc3d1e9dad3cf69118dffc01cc37118b87
MD5 2a0b73be68d270797b62d37f04135cfe
SHA1 c3811d4232b7cba79a879bef15031e8465d65354
SHA512 4d335ce07f429bf3e7786f84240df52af13cba82384f223c270ca573b06fd4348e626252a455b274445ca092f29746384de20dde4ded84f461434c5a2c3cb7ca
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTQ+nWl+smZDJlnIo6y:ZhpAyazIlyazTQhosmdJlnz
TLSH
T18D939E0376D1C170E0B70A7249A8CE5406AFBE765FB58E5773C4218E4A712C19E39BBB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
772	CTS.exe
4680	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"	2026-07-31_2a0b73be68d270797b62d37f04135cfe_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	2026-07-31_2a0b73be68d270797b62d37f04135cfe_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	2026-07-31_2a0b73be68d270797b62d37f04135cfe_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	5952	2026-07-31_2a0b73be68d270797b62d37f04135cfe_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	772	CTS.exe
Token: SeDebugPrivilege	4680	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5952 wrote to memory of 772	5952	2026-07-31_2a0b73be68d270797b62d37f04135cfe_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-31_2a0b73be68d270797b62d37f04135cfe_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_2a0b73be68d270797b62d37f04135cfe_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:772

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:4680

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 0cd1aa538a0846ce993d2795ea3ab54aaad762bc7b64fa86c4dae44663b8121c
MD5 840afbe03a89eb7c21cf36a898c8ac40
SHA1 5acdeb6b22fbae3e47b962e193910c7c9f26ffb6
SHA512 2d20f9c58a795f37ac1fd524ceb2222361baec5dae5ddfdeef5245d7d8932fdc35417323a7f74627fb6f5ba090509c4c49a480db65c9645827e95ee50fe21701
SSDEEP 12288:hS0ZFPIBRwfFpFZdHHrHL8cL0PMvGm3AueZTbLdqdN9HaH:DboR4DZxrpL0a3AdLdqdjM
TLSH
T16AC4120736E3C132F2BEA73205A49D11049F7EB91FB18E5A2399119E08756E19E7CF87
MD5 SHA1 SHA512 SSDEEP TLSH

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RTQyrBQkexCjJmZ.exe

Path C:\Users\Admin\AppData\Local\Temp\RTQyrBQkexCjJmZ.exe
Size 95KB
SHA256 b095956de7dd09647c2a5e20851600b500c0fcdcbc57921dfa7366510de74835
MD5 40a00ac794febb6d54117e65f5e10be4
SHA1 46f0daac984fdb81c72bbc305de6bb9699c35527
SHA512 e897ede7da75d725bbbbe765aab0bb55157b7a7bf811162ccb94c9951658f949dad99101a197a058b25b0d0eff958cde14ef2b26d26120e0e82233ac09426601
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTZX0O9PHXAGOmDS4A5t:ZhpAyazIlyazTpp/XAtmDSlD
TLSH
T1B993AE03B6D28171E4B70A3608B5CE500BBFBE761EB18D9B33D4218D55752C08E7ABA7
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