6a82e7cbcc2465a74ff9eda9d9d5918e479a541b50b4415550feaf7414c6a953

General

Target
2026-05-08_b04f362438e85190c66bd6919a0c4214_bkransomware_elex_maze_rhadamanthys.exe
Size 76KB
Sample260509-b3yzsacy6j
SHA256 6a82e7cbcc2465a74ff9eda9d9d5918e479a541b50b4415550feaf7414c6a953
MD5 b04f362438e85190c66bd6919a0c4214
SHA1 1800ca517e15b1dfd594730369875e85064f67aa
SHA512 966f7b987bedacbf1f3f8342766326dfa1ba300e9014bfb8b8e900d2b2cb6439751973d736ae9e385dc1676916267b72a8a6eab9dba2d288f22f2d4a3f3c0958
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT5L6tax0v:ZRpAyazIliazT5W
TLSH
T1EB737C0376D2C171E4B70A7648B8CE510A7FBE765FB68D573384218E49712C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5272	CTS.exe
3732	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"	2026-05-08_b04f362438e85190c66bd6919a0c4214_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	2026-05-08_b04f362438e85190c66bd6919a0c4214_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	2026-05-08_b04f362438e85190c66bd6919a0c4214_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	1648	2026-05-08_b04f362438e85190c66bd6919a0c4214_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5272	CTS.exe
Token: SeDebugPrivilege	3732	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 5272	1648	2026-05-08_b04f362438e85190c66bd6919a0c4214_bkransomware_elex_maze_rhadamanthys.exe	78

C:\Users\Admin\AppData\Local\Temp\2026-05-08_b04f362438e85190c66bd6919a0c4214_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-08_b04f362438e85190c66bd6919a0c4214_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:1648
- 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:5272

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:3732

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 393KB
SHA256 730acac45a6b0bebb1f8a26f1e264059539a787f9643874cbd5fe1617512ebfd
MD5 84de62399c51535f47ebf2e18c4a8960
SHA1 5927df06924cff1d8743545bb45520e04e3cb6ef
SHA512 a27ae79124b8d477c8790f7d9a15295a3b1cb05bc91a18f16236a3f83f28bcbca2f69939f8609ac3e9f1dfb0bf7ad8afbb01e9a4556a73e35a5ffa7f7a093e3d
SSDEEP 12288:xC0Cc01PKuPNttzoDYD77Owa2BPflT00Jl+7kxx:DCvvPxzbD3Jaka0Jlyq
TLSH
T12C8412037AE1D071E1B70B3659795F4A092FBE764EF4AD073A88205F16786D08E36B27
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

EUWamKXE8U1Uruw.exe

Path C:\Users\Admin\AppData\Local\Temp\EUWamKXE8U1Uruw.exe
Size 76KB
SHA256 8f19bdd03332b4672510ea9357b5aadc0e02449324d8a0b75523a99fa93fbc0b
MD5 9991dcdfc2fe9d37ebe8bcffe1e487f5
SHA1 42d099d57d5d3af3aa2ed09d322326f96497ec47
SHA512 f69c308af816b9670f967681a0d614976abbd6dc0ac105e17d1bb732c18c0b1c3106f4f4a1af0cabe90e78cef25bf3c0a3cee8bb546c3844126abad85d75fbbc
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTXcn:ZRpAyazIliazTsn
TLSH
T1DE737B03B6D2C171E0B70A7649A8CE6106BFBD765EB18D5B37C4218D4A712C09E39BB7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

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

Submit Download

memory/1648-6-0x0000000000AD0000-0x0000000000B4A000-memory.dmp

Download

memory/3732-28-0x0000000000640000-0x00000000006BA000-memory.dmp

Download

memory/5272-30-0x00000000009F0000-0x0000000000A6A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads