8ac0e3f4887939cdce532b78dd8e98e9a706ce32c350f064dc2445932430cdaf

General

Target
2026-07-13_2b2c116cb5c0e34a79376b56ebab1cde_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260713-tkfpladz3s
SHA256 8ac0e3f4887939cdce532b78dd8e98e9a706ce32c350f064dc2445932430cdaf
MD5 2b2c116cb5c0e34a79376b56ebab1cde
SHA1 ecc62a96852aee577cd52962eb5c979666604feb
SHA512 b9bd0bd6b27e376568e5c3c90f2113d163ffc803310520d97178457f4d98fa5dd231a47ab9ba47257727ca9e2963eaefe1904f307726815063ec069d28a9f9a6
SSDEEP 98304:DZr1nooxbb+VIh+Ym5bb0bLp1NW3JX/0O1sM64As:bndx3y0+/5b8LI3R/FqM6C
TLSH
T147F53335E2D3B0F2EEEBC0702021C511679EBDAE79A0E2C627E4497E1A515939D087F7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000011377-2.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
4808	K8LnOqYLxvAmXgS.exe
3460	CTS.exe
2004	K8LnOqYLxvAmXgS.exe
4240	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"	2026-07-13_2b2c116cb5c0e34a79376b56ebab1cde_bkransomware_elex_maze_rhadamanthys.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	2026-07-13_2b2c116cb5c0e34a79376b56ebab1cde_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	2026-07-13_2b2c116cb5c0e34a79376b56ebab1cde_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	K8LnOqYLxvAmXgS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	K8LnOqYLxvAmXgS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	2026-07-13_2b2c116cb5c0e34a79376b56ebab1cde_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3460	CTS.exe
Token: SeDebugPrivilege	4240	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4808	4864	2026-07-13_2b2c116cb5c0e34a79376b56ebab1cde_bkransomware_elex_maze_rhadamanthys.exe	87
PID 4864 wrote to memory of 3460	4864	2026-07-13_2b2c116cb5c0e34a79376b56ebab1cde_bkransomware_elex_maze_rhadamanthys.exe	88
PID 4808 wrote to memory of 2004	4808	K8LnOqYLxvAmXgS.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-13_2b2c116cb5c0e34a79376b56ebab1cde_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-13_2b2c116cb5c0e34a79376b56ebab1cde_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:4864
- C:\Users\Admin\AppData\Local\Temp\K8LnOqYLxvAmXgS.exe
  C:\Users\Admin\AppData\Local\Temp\K8LnOqYLxvAmXgS.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4808
- - C:\Users\Admin\AppData\Local\Temp\K8LnOqYLxvAmXgS.exe
    C:\Users\Admin\AppData\Local\Temp\K8LnOqYLxvAmXgS.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,0x2c8,0xd982fc,0xd9830c,0xd9831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2004
- 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:3460

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:4240

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 a25e8f13bc99d4302d92e99d212fa80fafc18369bd18f92ae8bbdb293f8cfbb9
MD5 ded2becf4b53a583b7fa29be3c07010c
SHA1 13ec4ee7d63594ec2455d887cf2bea17a3bb9ead
SHA512 58728c34f99b0accb126f6f8f5bc90f04725e57c89849bb9b97682cccc4c63ef54ecfa9a46bd9608413623d0009f5c96384bc31791a1024bf3682ab8644d89f7
SSDEEP 12288:hS0QaB6j4MSPdTmQsagtX0vWe0Usn2lRTnqWTA3FeLoE:DQaBwkEtXkdlBqFFxE
TLSH
T14FC42303B8C10834F4691A36C5B49D56029F38B96EB2CD9BA38461AE17365D2DF3DB73
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

K8LnOqYLxvAmXgS.exe

Path C:\Users\Admin\AppData\Local\Temp\K8LnOqYLxvAmXgS.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 70086420a5fb3e2664c77ccd15e4bff9bba700bd9640a467ba1dde721583e9c3
MD5 43998ad53b83ee00373a19477b2462c3
SHA1 f8210ad5022057e1d4a7aa1c5544ff785d02fa8d
SHA512 b0d0ebb99bf8f646999436950c0ac32fcfd8e9c00074341681c2ef5a96fd024e62b6fe6460f1fb9f04d333b9575e91ee39d2375dc9dd81fdcc648cad8be241a0
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