fbc405ce7189b1511e63737e83f46aea4c15bbd66b08a1f9db701dd642d83782

General

Target
2026-08-20_1fc2f5e5e0e6592dc77c613efb59dda9_bkransomware_elex_maze_rhadamanthys.exe
Size 449KB
Sample260820-qc5f7scr21
SHA256 fbc405ce7189b1511e63737e83f46aea4c15bbd66b08a1f9db701dd642d83782
MD5 1fc2f5e5e0e6592dc77c613efb59dda9
SHA1 1eb25ea022a1d85e99923651b19cbe35c1f43b11
SHA512 9012a0c65bd1cb8306462dee2864ca2470c40ded24446341a7500d0334ecaa53f29be134d9ccc7e08e1ac815f5f149b0a061455a0c7be7c5bdce09dd1c0acda2
SSDEEP 6144:xZ8azmxHikQXW+re9YJpoaGVn/BY6o44MUwSr+ta0DdSrK9AN90LGYmO6JbYqR6l:xC0miVfrJpIJn4zz+pN9ANCLJIXs
TLSH
T1EFA412033BD2C072F4B7063A0978DF154A6F79795EB06D576384668D11722C0AE7A3BB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
452	CTS.exe
3224	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"	2026-08-20_1fc2f5e5e0e6592dc77c613efb59dda9_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	2026-08-20_1fc2f5e5e0e6592dc77c613efb59dda9_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	2026-08-20_1fc2f5e5e0e6592dc77c613efb59dda9_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	4996	2026-08-20_1fc2f5e5e0e6592dc77c613efb59dda9_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	452	CTS.exe
Token: SeDebugPrivilege	3224	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 452	4996	2026-08-20_1fc2f5e5e0e6592dc77c613efb59dda9_bkransomware_elex_maze_rhadamanthys.exe	83

C:\Users\Admin\AppData\Local\Temp\2026-08-20_1fc2f5e5e0e6592dc77c613efb59dda9_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_1fc2f5e5e0e6592dc77c613efb59dda9_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:4996
- 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:452

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:3224

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 1f7436dfbe442f4a86862e029c9768e588db270521a4d72cd3ba81fd71cb489d
MD5 fe4a310d524a18fd9217584a71bdf471
SHA1 ce6264ed783c91b203d7a473eef82e2cf7322f70
SHA512 d32d10fb1795ee6b881c1d5cd41b2215c4c1c3f59de2b6a3d883b1418f55fde2139a2fefc1f6f06359ca1a1839e86cb5a34f6b8ac38ef4523c9865ac52410d67
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTMc:ZRpAyazIliazTMc
TLSH
T10A736C03B6D2C171E0B70A7249A8CE5107BFBE765EB18D5B37C4218D0A752C09E39BA7
MD5 SHA1 SHA512 SSDEEP TLSH

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84YlSyaUp3qnEAZ.exe

Path C:\Users\Admin\AppData\Local\Temp\84YlSyaUp3qnEAZ.exe
Size 449KB
SHA256 39d16620c1726c8c6627518814b6abecbc2fa5717bbe768550677bde1c52e165
MD5 313952a6e4a3d0e925801d38b438c168
SHA1 080a8e54c8772b5a6d3c1c5595da8d6c895957e3
SHA512 8dc3c397a6a8ea5ab4a69992b610042286cf9ecc248451c64089783d9ddc1600a3fb345bc20b5d84d95f8ea9a3950a2a4836a4c86a6501ec6bd3efde8ee74524
SSDEEP 12288:xC0T2TeYn+fcPuIzxlAQvOcvkiW/3ZMjCR:DXNfcPuIn7vOzfpDR
TLSH
T13FA41213BAD2D0B0E4770A324D68AE10963F7D385BB4C9163BDA61AD41B10D15E3EB7B
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
TLSH
T176636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
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