86bfc176b67669eaf442787aa8bdc0576ab412e192831931b1a2018143d75b69

General

Target
2026-08-04_7f5e2aa104a365d296e77b43035c8489_bkransomware_elex_maze_rhadamanthys.exe
Size 131KB
Sample260804-hd6fwsee52
SHA256 86bfc176b67669eaf442787aa8bdc0576ab412e192831931b1a2018143d75b69
MD5 7f5e2aa104a365d296e77b43035c8489
SHA1 32cd3508935c7844b97260e0124ae78e08f5ec5e
SHA512 959f8901086e2941520feb6caef9752e27c90d3de9f4d0541c1bc16a8f7903f80bd9786e8225a561cb4a0ed97aa94f7f3819587d61bf3ccce4954c43888a4a08
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTtwQ0O0g2GpPZmhAcwsNK2+rwWKW9I+:ZRpAyazIliazT2a0g2KncwNrvimTomjJ
TLSH
T174D3CF0376D2C170E4B70B7609A8CE5007AFBE765FB58D673394248D46722D09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4936	uDpXzyvEnZ7fzOp.exe
3640	CTS.exe
4156	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"	2026-08-04_7f5e2aa104a365d296e77b43035c8489_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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-08-04_7f5e2aa104a365d296e77b43035c8489_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 3 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	2026-08-04_7f5e2aa104a365d296e77b43035c8489_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uDpXzyvEnZ7fzOp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	2026-08-04_7f5e2aa104a365d296e77b43035c8489_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3640	CTS.exe
Token: SeDebugPrivilege	4156	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 4936	2496	2026-08-04_7f5e2aa104a365d296e77b43035c8489_bkransomware_elex_maze_rhadamanthys.exe	89
PID 2496 wrote to memory of 3640	2496	2026-08-04_7f5e2aa104a365d296e77b43035c8489_bkransomware_elex_maze_rhadamanthys.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-04_7f5e2aa104a365d296e77b43035c8489_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_7f5e2aa104a365d296e77b43035c8489_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\uDpXzyvEnZ7fzOp.exe
  C:\Users\Admin\AppData\Local\Temp\uDpXzyvEnZ7fzOp.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4936
- 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:3640

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:4156

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

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 b5802876a146fef76884a2176d496b98e74dda6d48d676e85a988051ed0a5a38
MD5 98c724880e2d5ff1f1a762f659767d14
SHA1 09ba97a8e6b40c58217d17a0b245d7e39b8d4713
SHA512 db9fee41322bebd19cfe0e5bb3f572d82c544bfe8f30e2382f06926bf2eb442f8057bca2c3d73870383f56bd7d60fa2cc31033724518d6f2244020915619c88f
SSDEEP 12288:xC08WWddFzhV4bgFC2mymCB/K4s91Ct9Amh9CqQyh62avatyg+0NP5lK:Djuvzh6bgFC2U+KEvAQ9CqQyhb0a/PrK
TLSH
T137C42203B6C596B0E0A715754504DF008BAFFE7A2FB28AD736F0419D8AB61C05E66B63
MD5 SHA1 SHA512 SSDEEP TLSH

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uDpXzyvEnZ7fzOp.exe

Path C:\Users\Admin\AppData\Local\Temp\uDpXzyvEnZ7fzOp.exe
Size 60KB
SHA256 751941b4e09898c31791efeb5f90fc7367c89831d4a98637ed505e40763e287b
MD5 7b112b1fb864c90ec5b65eab21cb40b8
SHA1 e7b73361f722fc7cbb93ef98a8d26e34f4d49767
SHA512 bf9cdeff39cc4fa48457c55ad02e3856b5b27998535aed801a469252f01e7676462332fa3f93877753e963d037472f615c1fc5fc2e996316621b4e0a180cb5f5
SSDEEP 768:9jhTbhp28JnBpoldAlE6AtOqdjIOOnToIf1UThPtA115WudvI1:9JvJnBpwdaMIOOnToIfiV6pdQ
TLSH
T1C6537D17BAD10AA3ECF2063000DB5A5ECA77BC205326D2A7960F6FB91731A5589742CF
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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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads