ed6fb4d87f1817d8dfe0aa3de30075fc54b900f4a2e77914845ef2bffefa169b

General

Target
2026-08-17_3808726794cc7d08b104e644ddefd63d_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260817-nd143ayfmd
SHA256 ed6fb4d87f1817d8dfe0aa3de30075fc54b900f4a2e77914845ef2bffefa169b
MD5 3808726794cc7d08b104e644ddefd63d
SHA1 f262f132e312429f7383bb1fcfb2bc95f79b8c4c
SHA512 3cd918fedf080857ecd668544a759442545bb4898de9269d0206032466438a4da2ba1471dd0874217c81994fa09a87b17828c14cf08c3673a9f57c884e03e21f
SSDEEP 98304:DsCcnZ/Sm9ZR9eEkFJN6hX73UfYfrfjich7ldxrTsBNAig:XIKM7TkFJQhwQDjic/dx8B2x
TLSH
T1AFF53307BDEA8A30C5575E7A19BE06809F3728DC8BD69C9EA228F1D51B641D4137B333
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000016b3a-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
2712	eaByRFV9MlJN6UK.exe
2088	CTS.exe
5680	eaByRFV9MlJN6UK.exe
1268	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"	2026-08-17_3808726794cc7d08b104e644ddefd63d_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	CTS.exe
File created	C:\Windows\CTS.exe	2026-08-17_3808726794cc7d08b104e644ddefd63d_bkransomware_elex_maze_rhadamanthys.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	2026-08-17_3808726794cc7d08b104e644ddefd63d_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaByRFV9MlJN6UK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaByRFV9MlJN6UK.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4828	2026-08-17_3808726794cc7d08b104e644ddefd63d_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2088	CTS.exe
Token: SeDebugPrivilege	1268	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 2712	4828	2026-08-17_3808726794cc7d08b104e644ddefd63d_bkransomware_elex_maze_rhadamanthys.exe	89
PID 4828 wrote to memory of 2088	4828	2026-08-17_3808726794cc7d08b104e644ddefd63d_bkransomware_elex_maze_rhadamanthys.exe	90
PID 2712 wrote to memory of 5680	2712	eaByRFV9MlJN6UK.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-17_3808726794cc7d08b104e644ddefd63d_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_3808726794cc7d08b104e644ddefd63d_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:4828
- C:\Users\Admin\AppData\Local\Temp\eaByRFV9MlJN6UK.exe
  C:\Users\Admin\AppData\Local\Temp\eaByRFV9MlJN6UK.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Users\Admin\AppData\Local\Temp\eaByRFV9MlJN6UK.exe
    C:\Users\Admin\AppData\Local\Temp\eaByRFV9MlJN6UK.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=0x2a8,0x2b8,0x2b0,0x2bc,0x2c0,0x7b82fc,0x7b830c,0x7b831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5680
- 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:2088

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:1268

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

outlook.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\outlook.exe_Rules.xml
Size 2.9MB
SHA256 9e64d8f029440b743c626ab46980736e6e49091ed7b5fb0a8bcf62dc0373b803
MD5 651460ca5931c15c6414602a3f1d4586
SHA1 75c391f4db79b0193a90e5c95e5293aedf50893b
SHA512 306293f279d8c0b41ce7b36be6f33db587804dec61e21a6440bc42c03926e1510c687ebfa01a760466216d576e23c586da8434e18a612aa5e24b3ba5540174a5
SSDEEP 49152:DvF8VyTUtBTdPstt2ho9aBpz13vzBLQpakr8ORwP9Y5eO3VXEVMPJQ83Ht:Dd8UeZP0Io9czB0pYORjF3FEVIQ83Ht
TLSH
T19ED5331BB4C1C33AC0AB693747EAFE21537B7EB06EB4CD966154502C606E0D48DE69F2
MD5 SHA1 SHA512 SSDEEP TLSH

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eaByRFV9MlJN6UK.exe

Path C:\Users\Admin\AppData\Local\Temp\eaByRFV9MlJN6UK.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 fd55578062b0ac4d81e870a8fb711b38ba121e93430ab2e7d472e72504b45cec
MD5 88c9151aae9d0c2b0ac04f698ceb6497
SHA1 cd6d621211166d73205dafbbdc3c938d8696d1f4
SHA512 cfd2d3f8cbb40027b4bb4f336230d0de6cda759ea326cae943cf9f5ff340a1ff642531f390490e5a9cf02ec00f6b16e6816a6ca1074a15520db2240a53aea368
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