83e1bb7c38dc10e0f944d4728009c90d3ae789edd8013667c69ce3ca81b8072e

General

Target
2026-07-28_9a17e7de3eea20e930255005f68d7aff_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260728-lv7basge39
SHA256 83e1bb7c38dc10e0f944d4728009c90d3ae789edd8013667c69ce3ca81b8072e
MD5 9a17e7de3eea20e930255005f68d7aff
SHA1 094a57fd9fcda50c6c552d80fc633c41cf2c4272
SHA512 0f866725f087f4164fa6acdc35b3b46e8e4a08e8b5278995d1b3d06e455a5d7b4dc299d044afdbc890e95926b3e1d1f52122a985ba2d6b4b62a2bd3be427bf79
SSDEEP 98304:DyuoYc6HxKTrziJmcdXQ46wqIxho25A+4ChKoW:BNRYrz6mAr6wrxho25llW
TLSH
T113F5332321A49134CCEBCD77D8F4C64865357E5CD4E889A723C6A8D892653922B3DB3F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000242e1-2.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
2388	BGb7Lires5ECj9U.exe
4740	CTS.exe
2528	BGb7Lires5ECj9U.exe
4824	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"	2026-07-28_9a17e7de3eea20e930255005f68d7aff_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	2026-07-28_9a17e7de3eea20e930255005f68d7aff_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	2026-07-28_9a17e7de3eea20e930255005f68d7aff_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	BGb7Lires5ECj9U.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BGb7Lires5ECj9U.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	2026-07-28_9a17e7de3eea20e930255005f68d7aff_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4740	CTS.exe
Token: SeDebugPrivilege	4824	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2388	2964	2026-07-28_9a17e7de3eea20e930255005f68d7aff_bkransomware_elex_maze_rhadamanthys.exe	86
PID 2964 wrote to memory of 4740	2964	2026-07-28_9a17e7de3eea20e930255005f68d7aff_bkransomware_elex_maze_rhadamanthys.exe	87
PID 2388 wrote to memory of 2528	2388	BGb7Lires5ECj9U.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-28_9a17e7de3eea20e930255005f68d7aff_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_9a17e7de3eea20e930255005f68d7aff_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:2964
- C:\Users\Admin\AppData\Local\Temp\BGb7Lires5ECj9U.exe
  C:\Users\Admin\AppData\Local\Temp\BGb7Lires5ECj9U.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Users\Admin\AppData\Local\Temp\BGb7Lires5ECj9U.exe
    C:\Users\Admin\AppData\Local\Temp\BGb7Lires5ECj9U.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=0x288,0x280,0x28c,0x284,0x290,0xed82fc,0xed830c,0xed831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2528
- 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:4740

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:4824

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 bc783d05d9d2474573fd4aae29caa5f379d279b7307e3b44e1a036afadfb5f84
MD5 bfa9425d0172b6629d6a3c59f1f7fadc
SHA1 d7b28ade7acf040fd5a8cd4bf081009376ebabae
SHA512 5aac745e2062769af0c2be152813a072c849b7cbc11f46dc0c47cd539b361919c5b68995723c9d9a8ffe4869aed0df6254f6997106b4c6cdbfc0db35c949778b
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTKR:ZhpAyazIlyazTw
TLSH
T1BB736B03B6D2C170E4B70A7649B8CE510B7FBE765EB18D5B3384218D49756C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

BGb7Lires5ECj9U.exe

Path C:\Users\Admin\AppData\Local\Temp\BGb7Lires5ECj9U.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 4f9585714ad2c3a6f48a73d389691eaa3d0899acbb7b8f230be08aab188d0e4e
MD5 935d1201d9f70feee0ecd52e42636655
SHA1 4d3eec6e64261a995a63cf3bf90dddcbefab7c7b
SHA512 df176aa89b4836643d68bfd4f88ab7746b0de32753cf0e4bfc4abf7bc224f66c57d8a534d71c9436a9dfd60392963a2a9472237631bbc4e2ecbc8f266963c0c7
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