5bd21560da892fcd49c0fa3082352f53478e1da25cdb8d78d8ba0044fccf566e

General

Target
2026-09-04_1a92ab3c9b2f1526c884a1511a7cf468_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260905-vr8vdsyfph
SHA256 5bd21560da892fcd49c0fa3082352f53478e1da25cdb8d78d8ba0044fccf566e
MD5 1a92ab3c9b2f1526c884a1511a7cf468
SHA1 70370b1ad41f42d5fd887778529a051ecf6b78af
SHA512 2b3ffb23ea886cb030af27492da2184b8763e2c6215fe27ea06ddc22f8ebc1b33f03d06b7b0d345de81a3b34ad9883dec2d4c9ff8f45f831336aecabb831a05d
SSDEEP 98304:LpabUYQ7EVpl0qaM4nWok+8rVFZEipyvHMO+ODz:qMAinMqYVF6zvH3+ODz
TLSH
T1C8F5330B05D2C2AAD33911F69DA8C86529AE7D35DCB305FB3394245542BFAC05B2E37B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001b87d-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
5812	PjRlZw85AftC4LO.exe
3496	CTS.exe
2960	PjRlZw85AftC4LO.exe
5136	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"	2026-09-04_1a92ab3c9b2f1526c884a1511a7cf468_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	CTS.exe
File created	C:\Windows\CTS.exe	2026-09-04_1a92ab3c9b2f1526c884a1511a7cf468_bkransomware_elex_maze_rhadamanthys.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	2026-09-04_1a92ab3c9b2f1526c884a1511a7cf468_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PjRlZw85AftC4LO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PjRlZw85AftC4LO.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	2026-09-04_1a92ab3c9b2f1526c884a1511a7cf468_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3496	CTS.exe
Token: SeDebugPrivilege	5136	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 5812	2496	2026-09-04_1a92ab3c9b2f1526c884a1511a7cf468_bkransomware_elex_maze_rhadamanthys.exe	89
PID 2496 wrote to memory of 3496	2496	2026-09-04_1a92ab3c9b2f1526c884a1511a7cf468_bkransomware_elex_maze_rhadamanthys.exe	90
PID 5812 wrote to memory of 2960	5812	PjRlZw85AftC4LO.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-09-04_1a92ab3c9b2f1526c884a1511a7cf468_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-04_1a92ab3c9b2f1526c884a1511a7cf468_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:2496
- C:\Users\Admin\AppData\Local\Temp\PjRlZw85AftC4LO.exe
  C:\Users\Admin\AppData\Local\Temp\PjRlZw85AftC4LO.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5812
- - C:\Users\Admin\AppData\Local\Temp\PjRlZw85AftC4LO.exe
    C:\Users\Admin\AppData\Local\Temp\PjRlZw85AftC4LO.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=0x2c0,0x2c4,0x2c8,0x2bc,0x2cc,0x6f82fc,0x6f830c,0x6f831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2960
- 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:3496

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:5136

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 46893261ef93fe33fadf553e3d8babaf3f71a12bb5094bef11ec46310a156f1a
MD5 56950107a93c5a2458641be9b65ef5e8
SHA1 9985c97f2c856d6019c2fa05c610924e42a2179d
SHA512 49bcae243cb5b106b392c10335cd39cc362a3a73c623473350e2c860d57bf5876bddc6b04c8c1667c7c1d378b619e74f6dcce51790943df3b7569af9cd7efd18
SSDEEP 12288:5S0wT1PKrqZ6SMSSvKuho6UrjsgxRdcydMo5MQSI:Lg8Jr/DK6UrjtRdcydMo57
TLSH
T169C42207B6D2C1B6D5E6663208A18E11476FBF722DB3DCBA7784224E06F08D08D79767
MD5 SHA1 SHA512 SSDEEP TLSH

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PjRlZw85AftC4LO.exe

Path C:\Users\Admin\AppData\Local\Temp\PjRlZw85AftC4LO.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 be3a3bae58c689a47e518f56073a05319faefa6b87998dd2c916f1d7f0186245
MD5 3cd3df24849faa91edca698f80a0bf1d
SHA1 a7925b1a493dbc90de3620a424fb3e273864f03a
SHA512 d43cc52a9ecac1a733606893ef343e3e08e23e31cee0f07ba21fd249f9ad8db5df17e056d831d79f6bbaa833e06d1eccc04d6efc4d1df2ac5db3bbab51d38f54
SSDEEP 1536:Nc8N7UsWjcd9w+AyabjDbxE+MwmvlDuazT:xRpAyazIlyazT
TLSH
T120636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218D0A752C09E3ABA7
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 3ed8ed8d5116c4ad20d53f39f0410e8fbc71a9323dcfcab9f8cf3c16cc2a8659
MD5 01bfc5349b3c85aaed59123c2aff22c2
SHA1 cb31a2a8f2a36415cd3369578fab5aa94f8bce89
SHA512 3601f9154213fc6d04d2faa82aac01217cde9de9fafe8523c18967b25615fbb6b0b6685696c8f41db50f7531a9212c035169220b41d8451dfc9991e33013e300
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