f43337a7fa51c09fd6e5fc43fda355a38e8f86382339a9507ddfeac955aea1f5

General

Target
2026-08-07_8a11286fc74cf0ad0f6132eee36dd3b4_bkransomware_elex_maze_rhadamanthys.exe
Size 557KB
Sample260807-rb7evafj9v
SHA256 f43337a7fa51c09fd6e5fc43fda355a38e8f86382339a9507ddfeac955aea1f5
MD5 8a11286fc74cf0ad0f6132eee36dd3b4
SHA1 e03e6e2155313a255e528a7c95fcaac8e888df30
SHA512 546761b00dd4a60596b7e842e61c755f836cc75ef69f91ffab46e49228e113d66485529b5b109f238678e56aaa61cb2544be5ef04619e96ef303a77bd089c66d
SSDEEP 12288:xC0bsxo5JulbilSmP2NskpRJ989abGhjnvTOwa1nhWz+soCoM:D1DhkLq9a1hWgM
TLSH
T1F4C4220336C384B2E8A942F165B49F51143FBEBA7A749C6B1744708D6A710C13F7AB6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4836	CTS.exe
2156	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"	CTS.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"	2026-08-07_8a11286fc74cf0ad0f6132eee36dd3b4_bkransomware_elex_maze_rhadamanthys.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-08-07_8a11286fc74cf0ad0f6132eee36dd3b4_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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-07_8a11286fc74cf0ad0f6132eee36dd3b4_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3580	2026-08-07_8a11286fc74cf0ad0f6132eee36dd3b4_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4836	CTS.exe
Token: SeDebugPrivilege	2156	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 4836	3580	2026-08-07_8a11286fc74cf0ad0f6132eee36dd3b4_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-07_8a11286fc74cf0ad0f6132eee36dd3b4_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_8a11286fc74cf0ad0f6132eee36dd3b4_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:3580
- 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:4836

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:2156

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 10314217a4641b84157e57fb1bc8f02b1602fe6170bc7b0e5cd0e720562b340c
MD5 67c19bd4acd9afea15eb2ed33593db37
SHA1 ce4b91b8bfdd6fa1b9254d97cf7d7eef7d804f00
SHA512 abe708f4c028f12d359e2c064e6e88ed1e40725488662b3c1aa2cd53057bea50f02de474972ee6618e19216b04093f6828fdc1315ce0230b57afabaa64940a11
SSDEEP 12288:xC0/Cki8P6wTjMz0aWPF6K3xquD63WEQ55PwqcC4T:DRi8P6wTjMOF6OD0Wn54S4T
TLSH
T100C4120377E2C170F8A74B764AB88A78066FBE745E718D57379421EE06249C15E22FB3
MD5 SHA1 SHA512 SSDEEP TLSH

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14KMN3Om9g0Om0d.exe

Path C:\Users\Admin\AppData\Local\Temp\14KMN3Om9g0Om0d.exe
Size 557KB
SHA256 a3edc33b17a21aaf95b8f0b8013beb0584b9329c683e5f1c2a245fb003ea464e
MD5 2d488927c73cfc199d84250eb718c35f
SHA1 b5c7da11af89c3b2374c35a5bf13348319cec68b
SHA512 23e4af0fb8b2503aa3bafd3a636823dec04c370374189527bc700f2ddce58ccfbd2a50116b2ec97938faebb0f74a71f1cf1955867aa7045f7687de8fc0ef4c34
SSDEEP 12288:xC0ABGJ3OARPn16znKfeeo9OmkNBN3kVvWla8Smslv:DlJdR076ohkNBN0VXJNv
TLSH
T163C47C4190D3A523EB7A963243918EDEDFB615E3A6C06041754D3BBB9F32C850E0BA77
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