02661526d1fa5a40234c1cb391f9b4c5e0df955ae639c681aaef19af76443519

General

Target
2026-07-18_a7e622458510e9e92be472c4c3f1f396_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260718-mp84dabz5v
SHA256 02661526d1fa5a40234c1cb391f9b4c5e0df955ae639c681aaef19af76443519
MD5 a7e622458510e9e92be472c4c3f1f396
SHA1 beb4a3e8ffa09bca831d176e53960a9739bb0671
SHA512 e9dddead31594b4862f0ecef0605fddbb4fb7971eee40f5a429ed0af512f7708c0edebe66f063d2086c92c4e272687d9c15e7fd07ff26a4ebdaf17ce1854f4e1
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTeAP2fs6Vcv71nnnOzb:ZhpAyazIlyazTYfVclnnOn
TLSH
T17A939D03B6D6C171E4B70A3649B8CE20066FBE765EB18E5773C4208D56756C04E3ABBB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2696	CTS.exe
2556	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"	2026-07-18_a7e622458510e9e92be472c4c3f1f396_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	2026-07-18_a7e622458510e9e92be472c4c3f1f396_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	2026-07-18_a7e622458510e9e92be472c4c3f1f396_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	2688	2026-07-18_a7e622458510e9e92be472c4c3f1f396_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2696	CTS.exe
Token: SeDebugPrivilege	2556	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2696	2688	2026-07-18_a7e622458510e9e92be472c4c3f1f396_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-18_a7e622458510e9e92be472c4c3f1f396_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-18_a7e622458510e9e92be472c4c3f1f396_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:2688
- 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:2696

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:2556

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

outlook.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\outlook.exe_Rules.xml
Size 2.9MB
SHA256 9764b6463d152c21bbab0e8916919f8feb81245fae8855b28f4876f316e0d8db
MD5 ac5188782b29472c5b72cf1b411aeaaf
SHA1 64d0ed75d2afdc87355c47a0812ccbcc114b50c8
SHA512 cff9397d5a0ba5b4590d984ba52f59605698bc8b0e0dd71f0354c48814318444206f569cbd93f63e35e057ec0b9bdc5faf8ad16bfd061c0538cdf17dec38bca7
SSDEEP 49152:DtoujaHphMQgxOSXkCyt3B1HZ3E9fYq7dP3H3/IoX8QUuizxMJazktQr6CXCmAu0:DtoujaJhMQJSXkdBpE9xR//8QixMCSQK
TLSH
T13ED53386F5E5C038F59143F1C2F4C5820B3AFF74A6A2CD1365B9209E23B5261B6B176B
MD5 SHA1 SHA512 SSDEEP TLSH

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Qv47aLN9nWyfTiT.exe

Path C:\Users\Admin\AppData\Local\Temp\Qv47aLN9nWyfTiT.exe
Size 95KB
SHA256 5aa7eb6e40589081813ed3889ea9ba4c2c0a4f75852fbfc768970f83b9fea5cd
MD5 c613c96f71c27214d4138409a09a1831
SHA1 932df8b66096d57262b18abc2eb26e4539b30be5
SHA512 33b18441702fb03ca8050dac2c5a7d47961a9cd35eb549682fc267df785552ee9c42d272faacb76010ffd577e09991a84f6fcbddcef0bf0b4ad87ace96514c77
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTlyzOlxT09mgDkjRYeYf:ZhpAyazIlyazTja4jRU
TLSH
T1CD93AD0376D2C171E4B70B7605A4CE510ABFBD765AB18D9B33C4218D4A712D08E3ABB7
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