f5c760ee95262440fc49eba347f12d198b2021220c7a2a88ff98798a3644a5a8

General

Target
2026-07-03_a4936532cab34971c07b67ad9df2fb1d_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260703-c63b2sat8x
SHA256 f5c760ee95262440fc49eba347f12d198b2021220c7a2a88ff98798a3644a5a8
MD5 a4936532cab34971c07b67ad9df2fb1d
SHA1 66d8bce0eda5daf0d8b73f4ffec67440dd73100a
SHA512 98f78e46956a77b7f3d1d9ad91be16b1b032a7c0864e89fa4bb8818a09550173f04c49f6752d176eb39a3735a92a0cf352a50166f1642e4a82b1a93a896158ce
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTGf4R518zZgedyw3F0iMr3tHe:ZhpAyazIlyazTJ518l5py3o
TLSH
T1FD93AE03B6D2C170E4B7067249B8CE51067FBD765FB18DA73784618E09B12D09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5028	CTS.exe
4140	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"	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_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	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_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 2 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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	504	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5028	CTS.exe
Token: SeDebugPrivilege	4140	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 504 wrote to memory of 5028	504	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_bkransomware_elex_maze_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-03_a4936532cab34971c07b67ad9df2fb1d_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-03_a4936532cab34971c07b67ad9df2fb1d_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:504
- 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:5028

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:4140

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 3a2b317436df9094458453899a1b47356f8613248e1d6f4742d55da88f6b202c
MD5 a44c9357657236310264be63d4fb830f
SHA1 dac9e579dc83a0e6a722da786f956fb06deb1f55
SHA512 c9ff246e6a31d990e9d8cc97b1b646c572699d320f2edc35ff5f672adb9a56c350f07f798317a0fe4ef3829ae64bb7476019b0f6fbe2de17ca1a5723c41db9fa
SSDEEP 12288:hS0b3hEqLpxdQ+6CKBbZqVvgih+doCC+QwQODxmR8PUDr0se6LRrlm:Db3hEqDdP6Vbc5h28+QkYrze6Lplm
TLSH
T136C42387B7C2E075E07706736998CEC4466FBDB629658E4233C81AEC0B355C15E2DAB3
MD5 SHA1 SHA512 SSDEEP TLSH

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3orW8d3iWKupwuo.exe

Path C:\Users\Admin\AppData\Local\Temp\3orW8d3iWKupwuo.exe
Size 95KB
SHA256 dec12dfb416c539d008a1e95ba019de3c8e3492608b59eaf4154cd2f5585466b
MD5 34c174c818ad5e9877360c92bb7617c6
SHA1 ec76876854b4267a0ddbe2ed9d2d74e388decc46
SHA512 7a5bee31dc24607dafed8031efc0b44f7a1e71357f8c04a18904da4c5aa2975c011750dd3171e0bb4631b0339a486724c3afef3cdbcbe2ce81baa38f06e1d32f
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTKzJeknrWKO3FZd:ZhpAyazIlyazT0PWP3FZd
TLSH
T152939D03B6D2C170E4B74A3209A5DE5107BFBE765EB18E5B33D4218D09716C09E3AB6B
MD5 SHA1 SHA512 SSDEEP TLSH

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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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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads