e4bf8c5affee4fcdd1d6bec6c61e56491da6859e7f8a527c31f1d34eab4309ea

General

Target
2026-08-02_fd20ce0fe09148d12e6d7bbf6ac2ade0_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260802-mdz2bsgn7t
SHA256 e4bf8c5affee4fcdd1d6bec6c61e56491da6859e7f8a527c31f1d34eab4309ea
MD5 fd20ce0fe09148d12e6d7bbf6ac2ade0
SHA1 7244d7f8d3c720d102e546cad420e112e58b9087
SHA512 18a1a55983ffc5566f506dfc50b89e3051ac1ec4b7358b148086c77ae8974e5d6756f2036dfacfaa54aea5c91f3d93ce6cecc4a6e82cdeb723b409e256694ef4
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTNpuLe6NU90pMW8tybSy:ZRpAyazIliazTZCU90pKkbSy
TLSH
T1E8939D03B6D2C071F4B7067648A9CE6146AFBE764FB28D5773D0218D0A722D08E39B67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4608	CTS.exe
6048	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_fd20ce0fe09148d12e6d7bbf6ac2ade0_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_fd20ce0fe09148d12e6d7bbf6ac2ade0_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	2026-08-02_fd20ce0fe09148d12e6d7bbf6ac2ade0_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	2080	2026-08-02_fd20ce0fe09148d12e6d7bbf6ac2ade0_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4608	CTS.exe
Token: SeDebugPrivilege	6048	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 4608	2080	2026-08-02_fd20ce0fe09148d12e6d7bbf6ac2ade0_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_fd20ce0fe09148d12e6d7bbf6ac2ade0_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_fd20ce0fe09148d12e6d7bbf6ac2ade0_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:2080
- 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:4608

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:6048

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 e6b095808f751e4bad1d9ca9964992ea830b0d1cac6358199a6624c1b245a503
MD5 bf24a8c97370c1ed8db85d88e97fd50f
SHA1 a80e40a7c982893ef8a3aed838522bd3a5d8434e
SHA512 1c14ba8bd83b50e3f7f8e0f3471f7c6184887439e589e480a94d764459ac01bdee2d14688aeb429cbb8e8ef41a676538851594376c912c844434371fd9af4076
SSDEEP 12288:xC0nZ8yrVHuWhVpPG9Hfcirnckv4gq4toWHX:DZfrVvpEfcnetxHX
TLSH
T152C41263B5D68170F0AA467204B6CE84066F7D725FBB886753C4215D4A716C06F2BFB3
MD5 SHA1 SHA512 SSDEEP TLSH

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brDDl2xGTgkjNCs.exe

Path C:\Users\Admin\AppData\Local\Temp\brDDl2xGTgkjNCs.exe
Size 95KB
SHA256 28f83eccad5000359df41670a98ab17612835a9f18d20ad15acbd631c2b67259
MD5 5e1d31d23dc21d01417ba4c103cd87d7
SHA1 297c902c701e58c71953a70d038666441e5aa1f0
SHA512 d60988f5ec79ad5a82b2cd41e92bfd325bda7aafbd77420d21d815c8ab46f8b4bc3de13494650c638099d3ca1c05008a6daa23246078a4f62e459ce709fd4f13
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTTiLSYUeRebNmr:ZRpAyazIliazTWBU8ebNmr
TLSH
T1CC93AE037AD2C170E0B7063645A8CE51077FBE765EB68D873384218E59752C19E3EBAB
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