fbfa7b5c922df3440a3f14ab70ed17e8e9f6d17556079aede4976f47f12e7a6a

General

Target
2026-09-07_d7b52f75d86357becc5a06e6b8715e59_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260908-e9b1dazyhv
SHA256 fbfa7b5c922df3440a3f14ab70ed17e8e9f6d17556079aede4976f47f12e7a6a
MD5 d7b52f75d86357becc5a06e6b8715e59
SHA1 38ed308a9104eefbe742114bd365f527b92115b4
SHA512 1e19aad4f9550bb3347da4f8935b11c0b91bec497935db1b76947731b815bbfabd4a776d4aa0e67f6a9fc064e0911ba869a45701dc972bc7b9e89ae5b3d125a8
SSDEEP 98304:DL5zYXp2x22ICOsGTJFMuKKbRQzQsCo2p92:Bo2x3nRGPY8RQzso2p92
TLSH
T1DAF533837EC64632F07447B418B695428B1F7AB808D3C91677D6808FB876FA74356E8E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b896-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
1548	4CDpr5z5opBRQHq.exe
484	CTS.exe
5904	4CDpr5z5opBRQHq.exe
1920	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"	2026-09-07_d7b52f75d86357becc5a06e6b8715e59_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

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-09-07_d7b52f75d86357becc5a06e6b8715e59_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 4 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	2026-09-07_d7b52f75d86357becc5a06e6b8715e59_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4CDpr5z5opBRQHq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4CDpr5z5opBRQHq.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4380	2026-09-07_d7b52f75d86357becc5a06e6b8715e59_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	484	CTS.exe
Token: SeDebugPrivilege	1920	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 1548	4380	2026-09-07_d7b52f75d86357becc5a06e6b8715e59_bkransomware_elex_maze_rhadamanthys.exe	89
PID 4380 wrote to memory of 484	4380	2026-09-07_d7b52f75d86357becc5a06e6b8715e59_bkransomware_elex_maze_rhadamanthys.exe	90
PID 1548 wrote to memory of 5904	1548	4CDpr5z5opBRQHq.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-09-07_d7b52f75d86357becc5a06e6b8715e59_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-07_d7b52f75d86357becc5a06e6b8715e59_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:4380
- C:\Users\Admin\AppData\Local\Temp\4CDpr5z5opBRQHq.exe
  C:\Users\Admin\AppData\Local\Temp\4CDpr5z5opBRQHq.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Users\Admin\AppData\Local\Temp\4CDpr5z5opBRQHq.exe
    C:\Users\Admin\AppData\Local\Temp\4CDpr5z5opBRQHq.exe --crash-handler "--database=c:\users\admin\appdata\local\Google\Software Reporter Tool" --url=https://clients2.google.com/cr/report --annotation=plat=Win32 --annotation=prod=ChromeFoil --annotation=ver=18.102.0 --initial-client-data=0x2c0,0x2b8,0x2c4,0x2bc,0x2c8,0x2382fc,0x23830c,0x23831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5904
- 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:484

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:1920

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

Query Registry

1

T1012

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 842742e5173d5c0a10d0377d88daeda7ce8f6bf30c5ab3f76dea24730e7308cd
MD5 40f055ed2782a661b2302bdb8438e861
SHA1 729a672f579e34f86b334c25c5b463f27dd45618
SHA512 4986b359d02017ccd0be3e75f203cce2ca6474bc90af7bb1b341032a41f608248bbc621915ddb1d791c7d1418a505e03e47ece7a4f950a00e15406355d95595f
SSDEEP 12288:hS0Y8x6bO0/vAC0uIf9zIuIXEKBGPehGw3lL+QgYKptLx7mbI:Dgy0/vEB9zIuIXEKBd/+eKp37mbI
TLSH
T14DC42313BAC3C0B1E4A206B695E5DD20572BBE352D369E973394768E65600C04E3EFDB
MD5 SHA1 SHA512 SSDEEP TLSH

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4CDpr5z5opBRQHq.exe

Path C:\Users\Admin\AppData\Local\Temp\4CDpr5z5opBRQHq.exe
Size 3.1MB
SHA256 b9e001c5ef4845c2c0ce7a1ce134c774a7cd011af31dfbe2a13a96da2f68570e
MD5 a20245af2627cc9d55fbb3a1c682a334
SHA1 2ddbd81a16c18a7d5099f171473439bf84210a16
SHA512 f2a1d8e559dcd3016c3ad67c3c74e88ec62adc5a36ebf16df46f13d60627a9fc3b57dc9746f4551284d1c7eb79b364e76db7e539bfb8a9c20e1828f80bff9d1b
SSDEEP 24576:9yn2D7bFEc7r34rgxlqxjHHTVKIAF3XwVTTIUpWVH1kknPrMkkkskkkkkRkkkkkX:Ug7bV4UxExTTo6TkUEmT5xxvRCI5D
TLSH
T1DFE55C13BEC04032EAB70670B87BBB51557A7E209F1364CF7AC8362E1C716D1AA72756
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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settings.dat

Path \??\c:\users\admin\appdata\local\Google\Software Reporter Tool\settings.dat
Size 40B
SHA256 affe8e6b3e66624a1c1978aa304629d077476652c0744aaea1e749353a078435
MD5 81d2893d5e42844c9d3b0a52316420d6
SHA1 68c53d42d437d897095878ad78aa701677b68628
SHA512 97e662fe29476cd5fef6e5e4fe08729338c857b204820fa0dc8ee503632074f8e7ffd65c25d4f146fc48c6601de157d6a7dc2c61d19caaefeceda7e50704a784
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads