1e75ce7912e68bf094729f8bcbb6a7648759ea8507b5fc6e72930d44fec607e1

General

Target
2026-08-04_5d5427c81166b6e1a4db31f413cc8451_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260804-s36s3ahn7x
SHA256 1e75ce7912e68bf094729f8bcbb6a7648759ea8507b5fc6e72930d44fec607e1
MD5 5d5427c81166b6e1a4db31f413cc8451
SHA1 0ebbcd6e7870d3ca2dbad0bcff6adf8b1addd5c4
SHA512 43c0ba872f5e132c865f6ad69b44d9a4c07fb5f050e3ed29ad259340d7d9f5ab2685cfa1e8c6c5fc54daa0ebdd76e9205fcfd8a513dd97c972c38f4faafd466b
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTRFqUgcun/eXcB34:ZRpAyazIliazTJgcpXy34
TLSH
T1FA93AE0376D2C170E4B74A7248B9CE11067FBE765FB18E573790218D46B16C09E3ABAB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5068	CTS.exe
3344	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_5d5427c81166b6e1a4db31f413cc8451_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_5d5427c81166b6e1a4db31f413cc8451_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	2026-08-04_5d5427c81166b6e1a4db31f413cc8451_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	4748	2026-08-04_5d5427c81166b6e1a4db31f413cc8451_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5068	CTS.exe
Token: SeDebugPrivilege	3344	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 5068	4748	2026-08-04_5d5427c81166b6e1a4db31f413cc8451_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-04_5d5427c81166b6e1a4db31f413cc8451_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_5d5427c81166b6e1a4db31f413cc8451_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:4748
- 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:5068

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:3344

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 348182cea6327849682dbcedfea46be236b5c141c16fadfe93be5184a711476e
MD5 734381a3a6589b586c1250e5566c6544
SHA1 909b79264e8f4f328fc916f1e59ea7866e73cadf
SHA512 d78552a5c8a1c62b846acd37b98903697b9f48628e2490254d92ad133bbf2cf15cab6ad774de931b8813c0e5ad95f261a43c20b7274e6772c222abf5462642a9
SSDEEP 12288:xC0txAGv9MoeTznE/4q22a9eH3jVWaJ0YRm9Q5xR8P:DPPF3A52aeH3Au9mG5xRs
TLSH
T170C4121732C18274E4BB4E3505B94E4141AFBCBA4AA5CD17A7D4B14F42B4AC1CE3CBAB
MD5 SHA1 SHA512 SSDEEP TLSH

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F4qTek7dC28rDW5.exe

Path C:\Users\Admin\AppData\Local\Temp\F4qTek7dC28rDW5.exe
Size 95KB
SHA256 9530c88e0699af3fc26b021ba985893da6904ae94b4f3732bcc95e29306b4ea1
MD5 26c9bc5c60ab7102b98d01b2ea22abc6
SHA1 cd3820a5b6d1220d59cda9381dc7dc82f10af123
SHA512 5b492c0906c890851f44ecec9e359dc83d2237bc47c6fc3765001848fd0c772fa9bd3a4afe3659f50339dd8f15bcdbb1fbf0a206bdebd2c46db136f688a5defa
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTf0LkEMAaARp7b:ZRpAyazIliazTcLXMAag7b
TLSH
T157939D1376C2C170E4B70A7249B8CE2107AFBD765FB58E573384248E5AB52D04E39BA7
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