47b82416dda6a1b30767601d6b55e1e9391f363a5d60234260a0302aa7c13fd2

General

Target
2026-07-02_ac8fc1eac1a307536cf62aaf2ab22ebf_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260702-vb8vfsh16y
SHA256 47b82416dda6a1b30767601d6b55e1e9391f363a5d60234260a0302aa7c13fd2
MD5 ac8fc1eac1a307536cf62aaf2ab22ebf
SHA1 81e292ee79e6ebba5217b70d45e89202838af996
SHA512 2b39fd5efb87e57f3c2e41da7bfec55c1413e33df22241e664bc8c76a674ea9d7ad742a21167b903181f0c04fa62175aba32ff41b11310ad2865e0a20fccd92d
SSDEEP 98304:D5n9b0ionVMmkCAwgT9iN9tABw/ggCdapM6WN:dn93onVMmxwJfBw/ZQapjWN
TLSH
T157F5331321A28121F1528EF49934FFF2EB2FF44372B01F86D64075DD96193E26668B7A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x001a0000000118e0-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
1752	HcxgaRcypdK2QJx.exe
2512	CTS.exe
4608	HcxgaRcypdK2QJx.exe
2472	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"	2026-07-02_ac8fc1eac1a307536cf62aaf2ab22ebf_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	2026-07-02_ac8fc1eac1a307536cf62aaf2ab22ebf_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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HcxgaRcypdK2QJx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-02_ac8fc1eac1a307536cf62aaf2ab22ebf_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HcxgaRcypdK2QJx.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	2026-07-02_ac8fc1eac1a307536cf62aaf2ab22ebf_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2512	CTS.exe
Token: SeDebugPrivilege	2472	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 1752	1548	2026-07-02_ac8fc1eac1a307536cf62aaf2ab22ebf_bkransomware_elex_maze_rhadamanthys.exe	89
PID 1548 wrote to memory of 2512	1548	2026-07-02_ac8fc1eac1a307536cf62aaf2ab22ebf_bkransomware_elex_maze_rhadamanthys.exe	90
PID 1752 wrote to memory of 4608	1752	HcxgaRcypdK2QJx.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-02_ac8fc1eac1a307536cf62aaf2ab22ebf_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-02_ac8fc1eac1a307536cf62aaf2ab22ebf_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:1548
- C:\Users\Admin\AppData\Local\Temp\HcxgaRcypdK2QJx.exe
  C:\Users\Admin\AppData\Local\Temp\HcxgaRcypdK2QJx.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Users\Admin\AppData\Local\Temp\HcxgaRcypdK2QJx.exe
    C:\Users\Admin\AppData\Local\Temp\HcxgaRcypdK2QJx.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=0x2b4,0x2b8,0x2bc,0x288,0x2c0,0x9182fc,0x91830c,0x91831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4608
- 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:2512

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:2472

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 e0b41e79dc3b580224eb4cfed8a131b433c6d03570cbec7bb886bf7ad136524a
MD5 474684404ffc1cd38aa08a0c052fbaab
SHA1 aa2a3d726f3fe6579888cf6e0a1a6a1986af63ab
SHA512 6d00c51a6406e07168f15bdc1854b0800bff76e57f73a83a76459d653de42eca6c07a6203c400a2996fa450a6c1cb7a3b986f114b0856a30a665599aea0c5a00
SSDEEP 12288:hS0FKLFm3+1sVjYkMe08t5k0+syVhCphf3njVLux7JHI8:DFK8usmkMW5k0+/+XPBL+dI8
TLSH
T112C4229776E2D4B8F07389B34AA08A61463F79365E725D1723C4708E04746E19F3AB3B
MD5 SHA1 SHA512 SSDEEP TLSH

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HcxgaRcypdK2QJx.exe

Path C:\Users\Admin\AppData\Local\Temp\HcxgaRcypdK2QJx.exe
Size 3.1MB
SHA256 b9e001c5ef4845c2c0ce7a1ce134c774a7cd011af31dfbe2a13a96da2f68570e
MD5 a20245af2627cc9d55fbb3a1c682a334
SHA1 2ddbd81a16c18a7d5099f171473439bf84210a16
SHA512 f2a1d8e559dcd3016c3ad67c3c74e88ec62adc5a36ebf16df46f13d60627a9fc3b57dc9746f4551284d1c7eb79b364e76db7e539bfb8a9c20e1828f80bff9d1b
SSDEEP 24576:9yn2D7bFEc7r34rgxlqxjHHTVKIAF3XwVTTIUpWVH1kknPrMkkkskkkkkRkkkkkX:Ug7bV4UxExTTo6TkUEmT5xxvRCI5D
TLSH
T1DFE55C13BEC04032EAB70670B87BBB51557A7E209F1364CF7AC8362E1C716D1AA72756
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

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 9b0d8192c3c7bb9b6d5f1e2600a1700d033b622e523b0214ac170055b3a3e0dc
MD5 07dd9e323195feb94bb7148f91dc63b6
SHA1 83f111a93ab8510f6872f88bd91982378771f55c
SHA512 e42a5c4c9e741bb7f2764c822ea959bbcf20c5b06764431ec251286a2603b35307772dd7a7ffc546735907bc4da49da18645aaec5b69883251261ec032f8c463
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