d8279598f708765ba44e3ac4051f2b2a2bf92944626a4e6d29c7d5f79197fd1e

General

Target
2026-07-22_df925fb53e0525823c0ac4c5757d5587_bkransomware_elex_maze_rhadamanthys.exe
Size 1.2MB
Sample260722-vd8bpshf96
SHA256 d8279598f708765ba44e3ac4051f2b2a2bf92944626a4e6d29c7d5f79197fd1e
MD5 df925fb53e0525823c0ac4c5757d5587
SHA1 6c7080ac731168da6baa8eff9f93bd9451e27cff
SHA512 3a8d59de20072c553729f11bb0500393b149662557c16f374dc94db8a8d2c49735005499aaa50f4a9683cc4387d0b701f04d875405842f01f4404d966fb2b68b
SSDEEP 24576:DeQv8jzCT9mj5CPIdK9JxH9+oIAYUuRXMIHQFqIZKQOY0:DVQzCR2YPIdQUEVINIZqY0
TLSH
T122552363B7C08476E6F34FF521658A200A7F7CB95CA14EE31629765C19252D00E2EF7B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4116	CTS.exe
1428	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"	2026-07-22_df925fb53e0525823c0ac4c5757d5587_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	2026-07-22_df925fb53e0525823c0ac4c5757d5587_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	2026-07-22_df925fb53e0525823c0ac4c5757d5587_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1300	2026-07-22_df925fb53e0525823c0ac4c5757d5587_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4116	CTS.exe
Token: SeDebugPrivilege	1428	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 4116	1300	2026-07-22_df925fb53e0525823c0ac4c5757d5587_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-22_df925fb53e0525823c0ac4c5757d5587_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-22_df925fb53e0525823c0ac4c5757d5587_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:1300
- 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:4116

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:1428

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 d3a06d9fd8ebebc3e4ddc967fbbd3c6534f77a3098f7dbcb15d6df91e031928b
MD5 aa19d90749b71787f44cbffe47fb87f6
SHA1 884391218f29dfa006e52f6904ae1c8ac1baf7eb
SHA512 244ffcc7076e9bfd96798ee5889a963664d8cf6feb4afdba79e0ce6ef4302910f93e659d12f8e2ef8a897b8f876fa87174d6e3330bc59f70694a893166ee1b65
SSDEEP 12288:xC0UTntTs6DgBhWPDtFYB749eYD9SWXlJh4W+tNkLIpY9kIsno3XJi1YQL2vc0:DontXihwtiGD31r/2mm4kXo3XJi1j2vT
TLSH
T134C4234375D6D674E527423689B9CE80162FB8731EB18E9733D4319F3A384C08E79B6A
MD5 SHA1 SHA512 SSDEEP TLSH

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kKOtAwmPzvxAcss.exe

Path C:\Users\Admin\AppData\Local\Temp\kKOtAwmPzvxAcss.exe
Size 1.2MB
SHA256 70a04ec05956ea42ca34deaef1bbc84118898db2d7692aef4c3327d81023b078
MD5 0ccfc2d818d52cac359b893a2408b950
SHA1 d14e0e930fa2392f59afe469fc9275b1678fe2ef
SHA512 895b3ed119247ec45a9939b0f6a7943c392607e394cea2c2e67017788c04c8fa1f9d415f38557f29e96b89383da5e697769de0df215f9952c6aeb463c74fedf3
SSDEEP 24576:j1eJb4CnxplNpGCTxqIDfQveVB0Sy5RrH9TP:j1Qb4mlNpzsg4eB0Syf9TP
TLSH
T17A552784A0C358136B79E511B3A29BEDEFE4C1A399D47990305D237B8F3B8950D1BA37
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