4b3a1a9e6fc5a7b5e4e13dfdb691ae913607d98ee3f9041d1e693bbd6dc48b1e

General

Target
2026-08-22_7cc1483e5b2926771cc379392f7eb7cd_bkransomware_elex_maze_rhadamanthys.exe
Size 315KB
Sample260823-gs97ysen21
SHA256 4b3a1a9e6fc5a7b5e4e13dfdb691ae913607d98ee3f9041d1e693bbd6dc48b1e
MD5 7cc1483e5b2926771cc379392f7eb7cd
SHA1 6cfe626c7c18647076e2c4e11cee2868d6d101fb
SHA512 a9d6e22b0c0f876c66424c4ae16b25978103e9e1e0598e06b5fc3ca5c93429df4677b9d696c182143d548058eac41d190e1e42f304cec66b06461ca329d387b3
SSDEEP 6144:hZMaz0qN9YfxLmXY7Nj7IRXFRkonJZ0uIAxC7Hj:hS00qNCfZmXYJP4XFRBN0zj
TLSH
T17A640103BAC1C270F4B64A7548A48946067FBD765EF29DE77394129E40346D08E3ABBF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4396	CTS.exe
3672	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"	2026-08-22_7cc1483e5b2926771cc379392f7eb7cd_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	2026-08-22_7cc1483e5b2926771cc379392f7eb7cd_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	2026-08-22_7cc1483e5b2926771cc379392f7eb7cd_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	3684	2026-08-22_7cc1483e5b2926771cc379392f7eb7cd_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4396	CTS.exe
Token: SeDebugPrivilege	3672	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 4396	3684	2026-08-22_7cc1483e5b2926771cc379392f7eb7cd_bkransomware_elex_maze_rhadamanthys.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-22_7cc1483e5b2926771cc379392f7eb7cd_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-22_7cc1483e5b2926771cc379392f7eb7cd_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:3684
- 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:4396

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:3672

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 ff4b9194277828b43263cafdc43a7ace63980b3cf940fb1fce4853bb118ea914
MD5 45670af2b90278516ecdac8399aebe20
SHA1 22f98723c26f8fc7073e9e76568165997065a60a
SHA512 e742a5588c665fc8f7403cb0742cebaba9d81c4fba12bdb5c74322e2808e13205d409e2bb3b87f08884a5ed0a1b402bfdca6e9afc8033aedac7ade32a9fdf94b
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTyOb:ZhpAyazIlyazTyOb
TLSH
T10B736B03B6D2C171E4B70A7649A8CE51067FBE765FB28D5B33C4218D09752C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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FGGNucfdGjNlpKb.exe

Path C:\Users\Admin\AppData\Local\Temp\FGGNucfdGjNlpKb.exe
Size 315KB
SHA256 02395356a8ea555f23ca4f45ec0e88ae37b4ac2e634aad465f992aa0322f2b04
MD5 1242dd3ebfe84dcb8a16e4c5125262b3
SHA1 669c8d483f073f956252f20758bb49ff8c4f43ad
SHA512 b384950cc22d12f2ce36e580a170f07562efc54404d59bcb5b882f07fb6ad8ecb6d6bc1473271d6f9149856e785ebe4488ac67247c3df143dac24d668ab282f2
SSDEEP 6144:nMaz4vI5rOddwVflwGrG+Z7YN8+ZpQiwYGiEtKtO7Z8:M04AlpdyGC+Bi8+ZDwYGiE4tO7q
TLSH
T10B648D87F5466563EB8D383C62B086F509F9C12B46CB8C92311413FDE86BDE60D876B6
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