41a036d60207660176113a8ed1f659b5773a316860cef9380d57956bffc2a157

General

Target
2026-08-09_a9899b638ea4f93f1f0dc36795522efd_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260809-lyc7maywfz
SHA256 41a036d60207660176113a8ed1f659b5773a316860cef9380d57956bffc2a157
MD5 a9899b638ea4f93f1f0dc36795522efd
SHA1 8d05f8d1acae2e0c50da2f0be7f52d11546401fa
SHA512 c7bae40aaab9f2096deefd241ca79352ba175150a87f2a0a89d0e0c4f1ae60c59e1a32ac441e1a75c945b4f40c8b5bf882da5a608d26ad6c8169b440faee391f
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT1SRwn1axXj5zUCcH+xvIu:ZhpAyazIlyazT/s9j5zLG+xvIu
TLSH
T17993AD03B6D2C171F4B7067245A9CE610A7FBE764EB58D5B33C4258D09B52C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3808	CTS.exe
3908	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"	2026-08-09_a9899b638ea4f93f1f0dc36795522efd_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	2026-08-09_a9899b638ea4f93f1f0dc36795522efd_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	2026-08-09_a9899b638ea4f93f1f0dc36795522efd_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	7028	2026-08-09_a9899b638ea4f93f1f0dc36795522efd_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3808	CTS.exe
Token: SeDebugPrivilege	3908	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 7028 wrote to memory of 3808	7028	2026-08-09_a9899b638ea4f93f1f0dc36795522efd_bkransomware_elex_maze_rhadamanthys.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-09_a9899b638ea4f93f1f0dc36795522efd_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_a9899b638ea4f93f1f0dc36795522efd_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:7028
- 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:3808

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:3908

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 10cc57c6f71675dac6e1a75051133957e9c2d8dd98b0b9b4aa1f283d1c580a67
MD5 61b2e07e94f3acf1d9c4b8a6de119b5a
SHA1 bfc06cf6e09f10420350c0c993172af2c04fa8ca
SHA512 a0d67944b41a9f97f20b10bc9f80b3eaecd9d05fbf3b6919ecbb1576a7545fe78b93ed9961f3a3038c3548ce44475f3456dfa28ac177882f4e2fbf49ceef88d1
SSDEEP 12288:hS096DASSOn/ZSB+mqrv4FKFvYgFeEwiR91xFf7nsp/HhSI/EfH:D9GAXMZSBba4mQSDwYFfbiHt/iH
TLSH
T1CCC4122377D1C930E07792B106948D644FAFBE7A1F768DDB328020AE29B41D24E5DB67
MD5 SHA1 SHA512 SSDEEP TLSH

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g7xxixk9jE9CXFd.exe

Path C:\Users\Admin\AppData\Local\Temp\g7xxixk9jE9CXFd.exe
Size 95KB
SHA256 717436311e5a8c8c4a4202ab18d4170bb97fa1189e46a2c5be75bff031cb3af6
MD5 bccf01663f766fa0a8c577f4bd010c1f
SHA1 f6241545bbe6703969f21909e7b2264aa7f3eb40
SHA512 87c38c0298adb9ab3cda1b6afabcc68cbb661044293f1fb416ec73bbc49c36c132954ab969acdd230f298bba7065c0238645a99a4fb7d4d9c295c98e15458fd5
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTOuTPgvsxNZDy7GpykwrkhGfy:ZhpAyazIlyazT/Zfg7Cyk7GK
TLSH
T18693AD1376D1C170E0B70A3249B8CE61076FBE765EB28E5B37C4218E4AB52D05E39B67
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