94349417fccee4e14571e7015efda80f4b0e040e0c82719ae01e9ab6622076e4

General

Target
2026-05-11_bb4813982ee9e578cfa486c07bc5e5c0_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260511-mxxejsbs2n
SHA256 94349417fccee4e14571e7015efda80f4b0e040e0c82719ae01e9ab6622076e4
MD5 bb4813982ee9e578cfa486c07bc5e5c0
SHA1 2f895d36d065f0be9b55dcca41bdf3a0b178a14e
SHA512 b5db3f109dc5cfb97305b5d89f015af37d2fb7d3911612b71aa08c4071ae0fb383a73d90ce66a600e7cf87f5a579fc0f1be3c4ba95ac1a2eadfe226653bf0d6d
SSDEEP 98304:Dt042HUt8RCwxoJfSrlWl6fGVE3mwdWWsqSYIL:y42HUt8RCwxLrlE6u5snW
TLSH
T1D1F53327B286B1B0C656C9B64CA5E13D47EF7B669FC3424F0721C26E24188318F6DB76
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000000d418-2.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
5848	SIm8IPCtnDLBlHH.exe
5152	CTS.exe
5332	SIm8IPCtnDLBlHH.exe
3036	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"	2026-05-11_bb4813982ee9e578cfa486c07bc5e5c0_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	2026-05-11_bb4813982ee9e578cfa486c07bc5e5c0_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	2026-05-11_bb4813982ee9e578cfa486c07bc5e5c0_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	SIm8IPCtnDLBlHH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SIm8IPCtnDLBlHH.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	900	2026-05-11_bb4813982ee9e578cfa486c07bc5e5c0_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5152	CTS.exe
Token: SeDebugPrivilege	3036	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 5848	900	2026-05-11_bb4813982ee9e578cfa486c07bc5e5c0_bkransomware_elex_maze_rhadamanthys.exe	80
PID 900 wrote to memory of 5152	900	2026-05-11_bb4813982ee9e578cfa486c07bc5e5c0_bkransomware_elex_maze_rhadamanthys.exe	81
PID 5848 wrote to memory of 5332	5848	SIm8IPCtnDLBlHH.exe	82

C:\Users\Admin\AppData\Local\Temp\2026-05-11_bb4813982ee9e578cfa486c07bc5e5c0_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-11_bb4813982ee9e578cfa486c07bc5e5c0_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:900
- C:\Users\Admin\AppData\Local\Temp\SIm8IPCtnDLBlHH.exe
  C:\Users\Admin\AppData\Local\Temp\SIm8IPCtnDLBlHH.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5848
- - C:\Users\Admin\AppData\Local\Temp\SIm8IPCtnDLBlHH.exe
    C:\Users\Admin\AppData\Local\Temp\SIm8IPCtnDLBlHH.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=0x284,0x298,0x260,0x27c,0x26c,0x8182fc,0x81830c,0x81831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5332
- 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:5152

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:3036

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 391KB
SHA256 6bf97d992db6ca8e6d3053ec59d5e7380de925fe1a0edd256eb9cafd173a62e3
MD5 9fcec44b1f3881118f90ae1eb4e9cacb
SHA1 ff179798d60ac8bc83dab0a93e9c118379c979e3
SHA512 23925ba1a746a8a5bb1f9e143950ea937d9a7ede9a93c8c424f5da69e0d816bde26eeffdd3189be8a54702d705ffad2f5f4edd0b241f329f6d941c1d3d3bebd2
SSDEEP 6144:hZMazWDYgY/z8l0iNZclOsfpfkU73gLZRLfhZLxKjIzsOi8Z2PJxRX44o7X:hS0W8gb7R3LZ4jSlAPhX44oj
TLSH
T16084121377E6C235F0B2413A09BCCD9006AFB9375FB19E466284644D96B42D09D3ABFB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

SIm8IPCtnDLBlHH.exe

Path C:\Users\Admin\AppData\Local\Temp\SIm8IPCtnDLBlHH.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

Submit Download

settings.dat

Path \??\c:\users\admin\appdata\local\Google\Software Reporter Tool\settings.dat
Size 40B
SHA256 30086b93ed839fba33879fb1bb347373006c7a528a836c5bb0ca1bb58a3ebef2
MD5 2651933d286a56b1fdd0b6e48f6e8dff
SHA1 28b2469bbc6ed73cf6bced9bc77bd8698387a720
SHA512 44862f9b58773ee4157027494e5316eeb56d628d4d705043b316fdb7c8958f23a058dc9b32ad1e1f0784a640e62463299c238b30492692a6a78f4524858a5d60
MD5 SHA1 SHA512

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memory/5332-35-0x0000000001320000-0x00000000014CC000-memory.dmp

Download

memory/5848-33-0x0000000000DC0000-0x0000000000F6C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads