d8f1f7969010276e75b0432c6253568d651056007d4f5acc8d4263b775c4f5da

General

Target
2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.exe
Size 557KB
Sample260728-e9zrfaywhx
SHA256 d8f1f7969010276e75b0432c6253568d651056007d4f5acc8d4263b775c4f5da
MD5 8a8c7f8fc81475b57043d48fe94f4b44
SHA1 a11bfaeef094011dd8e77af360407ed829dbfdd1
SHA512 bb9959badad9e77dbf81a8dea60e6f810bb28a049444333b9429fb6b9a1f7cb79725bbf6fb1c5032a487e76727bc8f222171faf54bd40653a543503ffac3892f
SSDEEP 12288:xC0ClNhrwQMKcb133sw/M8OvM4AkNzL4LSReuHykIwoyFEg4FZDMfWQP:DClPm33XoN9NzL40euSkzoyFEgYBnY
TLSH
T129C4221B76C6C634F4A34A71853C9A2026BFB7B22FB15D23335020AD26B56D18F35B67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4604	CTS.exe
4136	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"	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_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	CTS.exe
File created	C:\Windows\CTS.exe	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.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	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_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	756	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4604	CTS.exe
Token: SeDebugPrivilege	4136	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 4604	756	2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_8a8c7f8fc81475b57043d48fe94f4b44_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:756
- 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:4604

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:4136

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 4ba9eee98b5e50ffb1780ad35a4244343c640e890784017a2bada20b2a02d40a
MD5 bc8facaf5f93630b22fe12024af3cb38
SHA1 939446ae7108c9db1a3cd526fa807d004d873c2b
SHA512 abdb493ae64ab4a788a32fb09b58a058060359c215806119b3c38b6a90040d19c76b691565b34caa69369033390016e5f51e69c4cd90df068e19135099325434
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT2p:ZRpAyazIliazTy
TLSH
T1B9737C03B6D2C171F4B70A7649A8CE510A7FBE765EB18D5733C4218E09752C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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LF7XCgBDqxxgnND.exe

Path C:\Users\Admin\AppData\Local\Temp\LF7XCgBDqxxgnND.exe
Size 557KB
SHA256 825877b7b7a5d0d98465a973b2d6dd887b2ab7a7eefa11ad2be60144980bc82c
MD5 c61da7123f82a8af4057e85ca28c7aa8
SHA1 e59cdace6f491a6587bb58070f0a18a814f9fd1c
SHA512 623c3b49ebed34ab89d51e29b36c1c2899ee1b553cf95bfe8b80f2ab57b5083da9b4c7758959a9a97ce937d414e41884b642bc600288de64ed375c29922df4ba
SSDEEP 12288:xC0pQzXZ+UoCPpl1WYI2GOtJ6trirmZDW9zwtpWu2:Dpacf02NOtJQikoKpWn
TLSH
T1CEC412537AC1907AE563463568D88E8027AFBDB54DB14E9323D8248C2EF65D00D7DBB3
MD5 SHA1 SHA512 SSDEEP TLSH

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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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads