d6c4a94afc3cee561100d9f88ca92fda548666f624db9f9e813c338631d6eac0

General

Target
2026-09-26_66e64c0431a0401fb272c04ae15c6c33_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260926-1dd1rasalg
SHA256 d6c4a94afc3cee561100d9f88ca92fda548666f624db9f9e813c338631d6eac0
MD5 66e64c0431a0401fb272c04ae15c6c33
SHA1 0d7ae7243bbeb92ebf4b5b1a52cd05567c13d826
SHA512 04f838e17aa667c6c60b62be5615d3e679fb6322fb3b9d50c4755b040e237a213b77b1119a18b38c56acd574de57e6a72fd9b83b49369da30da4b7edce104e9f
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT+155GmHLSG/5An1mXhBmG:ZhpAyazIlyazTKGmHLSky1mXf
TLSH
T10993AE03BAD6C170E0B70A3649B9CE51077FBE725EB28D5B7794218D09752C08E39BA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3316	CTS.exe
3108	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"	2026-09-26_66e64c0431a0401fb272c04ae15c6c33_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	CTS.exe
File created	C:\Windows\CTS.exe	2026-09-26_66e64c0431a0401fb272c04ae15c6c33_bkransomware_elex_maze_rhadamanthys.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	2026-09-26_66e64c0431a0401fb272c04ae15c6c33_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	4640	2026-09-26_66e64c0431a0401fb272c04ae15c6c33_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3316	CTS.exe
Token: SeDebugPrivilege	3108	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 3316	4640	2026-09-26_66e64c0431a0401fb272c04ae15c6c33_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-26_66e64c0431a0401fb272c04ae15c6c33_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-26_66e64c0431a0401fb272c04ae15c6c33_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:4640
- 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:3316

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:3108

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 f1d6fb2226e65f16cad241081b135c2a400d3b07a13f88e76f67320c194f6ac2
MD5 6cdc2d22e6509d5077169bbb219eb79b
SHA1 f1986ccb2f97fd96a50aedfce55d47f4a209f716
SHA512 88d49e5baa9315538eeb93eb1d52abbaca23df55fd018339a64920df972819dc83ba3eb0ed0e3b04300906176040870e47ebf39f8c659f10e0e8850d3c219bfe
SSDEEP 12288:hS0uqIUtKCsA8r6wzhb5SBYe+U2x1BRQDTESaVukB:DuzqDimwzlje5k1ByDTEF5
TLSH
T1BDC4121336E5D932F4A6967A11A15F2006FFB9780B755E36378029D81E720D0CE3EB9B
MD5 SHA1 SHA512 SSDEEP TLSH

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oSJHymF3qz7aBzo.exe

Path C:\Users\Admin\AppData\Local\Temp\oSJHymF3qz7aBzo.exe
Size 95KB
SHA256 ccd1a5f288fcd87332a75fe5093eda4ceadf18e09558d4f6c194de7a41b30632
MD5 79408d093e3b2ce0c11571d9790d0109
SHA1 dc270472d486c49feaee442e14fd703b805b1489
SHA512 dc56032942fb154d16a95226fe5b5bc8bcce2b4636e2617f29461902f80266856cb3f433be06783da675c51f56f04dd60aeeb7ca3d5f5cce93b0a31ac0105624
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTSY/oWuCO32CD4F/SphMPW:ZhpAyazIlyazTSYwiO32lFS0W
TLSH
T1C2939E037AD2C170E077063249A5CE510A7FBE765FB28E9B73C4219D0A756C09E3AB67
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