4e790a930c9bfe5f3ce7ed857924df9124ac3550682addb167148356da18f176

General

Target
2026-07-24_80dc2fd909832c6e4d10033daa192517_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260724-2vmvnagn8v
SHA256 4e790a930c9bfe5f3ce7ed857924df9124ac3550682addb167148356da18f176
MD5 80dc2fd909832c6e4d10033daa192517
SHA1 bb6b83d02918fee473a2f394277da81c3d168965
SHA512 af7062b74ba093061cf09e97a6ad68d6847ab8f88f3d133730445eaeb15ca1c3860d37cf684d9bcc2188c6b5c3366f13e2f32b2ee334b15a814fcb7d33b0c522
SSDEEP 98304:D3IMNyob1Jnc97Z/UznmC0YtORQgToxEUO:zHNyopJc9Szn/tORQk7
TLSH
T199F533427BE44035C01A0F360F79C9716A9ABC753EE098CA96345B4D49121A8BB7DFBB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000b00000001136a-3.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
2168	KeCKFatPfXRtRUa.exe
4404	CTS.exe
1068	KeCKFatPfXRtRUa.exe
6120	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"	2026-07-24_80dc2fd909832c6e4d10033daa192517_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	2026-07-24_80dc2fd909832c6e4d10033daa192517_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	2026-07-24_80dc2fd909832c6e4d10033daa192517_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KeCKFatPfXRtRUa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KeCKFatPfXRtRUa.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	936	2026-07-24_80dc2fd909832c6e4d10033daa192517_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4404	CTS.exe
Token: SeDebugPrivilege	6120	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 2168	936	2026-07-24_80dc2fd909832c6e4d10033daa192517_bkransomware_elex_maze_rhadamanthys.exe	88
PID 936 wrote to memory of 4404	936	2026-07-24_80dc2fd909832c6e4d10033daa192517_bkransomware_elex_maze_rhadamanthys.exe	89
PID 2168 wrote to memory of 1068	2168	KeCKFatPfXRtRUa.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-24_80dc2fd909832c6e4d10033daa192517_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-24_80dc2fd909832c6e4d10033daa192517_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:936
- C:\Users\Admin\AppData\Local\Temp\KeCKFatPfXRtRUa.exe
  C:\Users\Admin\AppData\Local\Temp\KeCKFatPfXRtRUa.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Users\Admin\AppData\Local\Temp\KeCKFatPfXRtRUa.exe
    C:\Users\Admin\AppData\Local\Temp\KeCKFatPfXRtRUa.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=0x2b8,0x2b0,0x2bc,0x2b4,0x2c0,0xa382fc,0xa3830c,0xa3831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1068
- 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:4404

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:6120

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 3974fbe1b7ceb38d226c7fc0761a819ad18944977173329c7ccb2e6062751ff6
MD5 19dc2a87baad0167b8a6d94d180dd15d
SHA1 8e9ac2a5e34a6c2fdf1fa53531cad222226e2b35
SHA512 1b7723e0d5a29656226076577715b44cbf67153f61a5b933c33bd8f4462d214e79341ff077328f446116081c931dbdc3afab4a1e39a3a73e0faeb93e6447a2ac
SSDEEP 12288:xC0nhToVTeQ3gJGzFpjYYrHGqvvEll2S0Jdpm9KQc4:Dn9odMJkFpjXHR8ro/Qc4
TLSH
T1FCC42303B6E68A31E06705754EE5A584137FFEB20F748DAB229072CD1A741D29E377A3
MD5 SHA1 SHA512 SSDEEP TLSH

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KeCKFatPfXRtRUa.exe

Path C:\Users\Admin\AppData\Local\Temp\KeCKFatPfXRtRUa.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 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
TLSH
T176636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
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 7a7638a4ee36562152c33206d623b39da9ece7141aa145d263a2a0664380bfe0
MD5 d383a071917609d3b007fa0a52f5b099
SHA1 4d87b93d46e2bab21ba1089bcceebd3706f2a751
SHA512 00e5a9abd069986a1260ac361acb0766cbd1c56b138ec192449c65855d300171ca35c7fd60ff02dd324f7d167bc8f34f4e48982b43b04109a2a42c28f434d73e
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