d9988e6bf93bb3437409d6abbcd820e4927106a6baceb44d863b89581c776abe

General

Target
2026-09-13_a47a5135bdf95a21e831281156d84380_bkransomware_elex_maze_rhadamanthys.exe
Size 71KB
Sample260913-n2a8jsaf75
SHA256 d9988e6bf93bb3437409d6abbcd820e4927106a6baceb44d863b89581c776abe
MD5 a47a5135bdf95a21e831281156d84380
SHA1 be7c3bb992d389b7bc63e8dadaea2dbfdab792e5
SHA512 b94929c09a1db39d3af14e7f49f2b43be3aa8a9f25ff1fabf3c559cb7a97979ecb72d3655f1a785251b3fb480d83e0ba364dacdf8c2f165ed436b0b61a3a8985
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT7v:ZRpAyazIliazT7v
TLSH
T1A6636C03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218D0A752C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3728	CTS.exe
2732	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"	2026-09-13_a47a5135bdf95a21e831281156d84380_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	2026-09-13_a47a5135bdf95a21e831281156d84380_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	2026-09-13_a47a5135bdf95a21e831281156d84380_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	4124	2026-09-13_a47a5135bdf95a21e831281156d84380_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3728	CTS.exe
Token: SeDebugPrivilege	2732	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 3728	4124	2026-09-13_a47a5135bdf95a21e831281156d84380_bkransomware_elex_maze_rhadamanthys.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-09-13_a47a5135bdf95a21e831281156d84380_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-13_a47a5135bdf95a21e831281156d84380_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:4124
- 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:3728

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:2732

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

Replay Monitor

Loading Replay Monitor...

Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 94da4c07c467dc5bd02cd08e1ff6d0600371180ee6778e4431a531bda16b0204
MD5 239cfb50256d28f54e91e29f8c02634f
SHA1 1ec86a411c118d1bbdb3b05e40c0bd4a9912b813
SHA512 d8273802430ab488499f0537a008aeddbe9501b58dc4bad7a1bf1ad9392d5eb0759845dcc43ff465069d2d2a926fc2f53f025a18dc517cc5bb4d4c330f814694
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT8o:ZRpAyazIliazTz
TLSH
T1FA737C03B6D2C171F4B70A7648A8CE5106BFBE765FB18D573384218E09752C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

KVaAyZPMVrEBMOk.exe

Path C:\Users\Admin\AppData\Local\Temp\KVaAyZPMVrEBMOk.exe
Size 71KB
SHA256 e49c669a57a291aa34525c40a74b39bd87552a6bc974485f8d56c7a1d6fc3681
MD5 0ffac31ed711113b0a2625d20fcdba90
SHA1 c02e709bba5dd592d498870fcf604d56456fbfda
SHA512 9f421cc3526b8b5ced884ac5b1a95fa1390bcf27a70630ccece68da045308c7ce91c41382c84ed14ce71b4f1b6b754c52a1c46257e8fcbbd31dbceff5af4e102
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTAC:ZRpAyazIliazTv
TLSH
T181636B03B6D2C171E4B70A3249B8CE51067FBE765EB18D5B33C4218E49752C09E3ABA7
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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads