1c49b8047a23e22047cce144dce2c44838d8c8b33f597189a5a573a5cb4cb8d4

General

Target
2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260717-2y5jwact21
SHA256 1c49b8047a23e22047cce144dce2c44838d8c8b33f597189a5a573a5cb4cb8d4
MD5 4e7d3da68ec958baa8bf42cf70a04f97
SHA1 2b03e9b47df31aa73fa7c58fc50e2f2f9e6fdd1a
SHA512 777e9d08fa9c11f856cb4757b68551566741fc51ed9ffb2284f6b267e2df853a7918bbd9a600819d794b387892e4a83dac128a21070b6855be9b1a2b07155ac5
SSDEEP 98304:D9vtyLyPatqv3fWe2ROXXaYt9cwfgNAfkQ/+vNRYdZ:xvty2y0fWeQbYt9pRfk++DyZ
TLSH
T18DF533B37D80D236E8F2553C1565DEA82268B8BD09D38F5793185AAD0BF16D00F3672B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x001100000001b664-3.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
3488	oXC4yaASxMHHzmO.exe
4088	CTS.exe
1080	oXC4yaASxMHHzmO.exe
2496	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"	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_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	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_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	oXC4yaASxMHHzmO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oXC4yaASxMHHzmO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4040	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4088	CTS.exe
Token: SeDebugPrivilege	2496	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 3488	4040	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe	88
PID 4040 wrote to memory of 4088	4040	2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe	89
PID 3488 wrote to memory of 1080	3488	oXC4yaASxMHHzmO.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-17_4e7d3da68ec958baa8bf42cf70a04f97_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:4040
- C:\Users\Admin\AppData\Local\Temp\oXC4yaASxMHHzmO.exe
  C:\Users\Admin\AppData\Local\Temp\oXC4yaASxMHHzmO.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Users\Admin\AppData\Local\Temp\oXC4yaASxMHHzmO.exe
    C:\Users\Admin\AppData\Local\Temp\oXC4yaASxMHHzmO.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=0x288,0x280,0x2c0,0x2bc,0x2b8,0x3282fc,0x32830c,0x32831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1080
- 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:4088

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:2496

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

onenote.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\onenote.exe_Rules.xml
Size 1.1MB
SHA256 13b73976d3a4ef62ee02f442512602f519f65950d045720267ed24c1113ce0cf
MD5 cbf6c8313f7bb98d1806ae5094a42154
SHA1 6b54bd7ec4b424127db62346ba0040782dee38ad
SHA512 25d0f4db87f5754167cbdaddbf99b626cde6b20e1c94bc3fd1cdee2b90738c64edb512baa8d9edf56ad49c9083e56ea0fbd5ba53703d2d98be5edf7431263f08
SSDEEP 24576:DdNTYdvZbjYyrAHrVKvGVlniCFWSFRQxcnEpcBhgEt7Tal01:DvsvZvDOrVK81WSFRQcnzgEcK1
TLSH
T16545235336C5C1B2E0B32AB1591A482553BF3EA54EF59D9363E4018D1EB51F03E2EBA3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

oXC4yaASxMHHzmO.exe

Path C:\Users\Admin\AppData\Local\Temp\oXC4yaASxMHHzmO.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 91676b3567d6993d09afc5dd702215ac5ace97c65171cc213a8752fa4ae4d036
MD5 eb7040b1e17de2d266b5e7e6b59a8949
SHA1 d4b9557d5183197cf52382e88cfa746dc046d899
SHA512 52f424979ba52b7fba319b30beb710107b67173bda51561208b00e11ef54bb4f868217dc882e41ff526f3abe8743819114149ece85b80a973ac3d6063097770c
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