8dc013ad479f29eef7b61384f8aa3a6599afacc19e337a5e694907dd64ca7a55

General

Target
2026-08-03_74b832d9d9448179762fc5e308c55341_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260804-nfrcmsab97
SHA256 8dc013ad479f29eef7b61384f8aa3a6599afacc19e337a5e694907dd64ca7a55
MD5 74b832d9d9448179762fc5e308c55341
SHA1 0090a7da39f893f6fa947b3edd4f94aae463f992
SHA512 6ac7338ce0e57dcc2b9f9eed77e6cf0f7de416b2b758f4c79bd97630d594fcb97803a5da5e5ead6417ef47149cb8550c6129438c3d6e283e7fee8630fd3f5b27
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTKC/RE7Q1Bk0gcpDg8E/:ZRpAyazIliazTz/R4Q1Bk0g2Dg8i
TLSH
T19E939C13B6D2C070E4B60A7605A88E610A7FBE725FB18D5733C4258E59762C09E39BB7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3732	CTS.exe
4316	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"	2026-08-03_74b832d9d9448179762fc5e308c55341_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	2026-08-03_74b832d9d9448179762fc5e308c55341_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	2026-08-03_74b832d9d9448179762fc5e308c55341_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	4180	2026-08-03_74b832d9d9448179762fc5e308c55341_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3732	CTS.exe
Token: SeDebugPrivilege	4316	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4180 wrote to memory of 3732	4180	2026-08-03_74b832d9d9448179762fc5e308c55341_bkransomware_elex_maze_rhadamanthys.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-03_74b832d9d9448179762fc5e308c55341_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_74b832d9d9448179762fc5e308c55341_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:4180
- 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:3732

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:4316

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 e0af08acaec75f53709895c6e8c1b1324fff9de475986f4926a04c9f323a126d
MD5 6e6f88ee84e7cccbd1ce9457657124cb
SHA1 472f9ed946fd788fe039257eadcf4f8572c790bc
SHA512 6e4a1816968023218cfd57c0dead3ad3d8c857a45a1f0b2ea79e9a46dca4bfe3f3863574eed36b2076840b5650aa3ff64cd1d5299bb6b02ec86d2f14283c02a3
SSDEEP 12288:xC0/cRaWeZIgnF5wDyUvl6yj34bT9HpCNjv70fIKzZ8PGkut:D/uaWWyXvAXxHpCloVSPRut
TLSH
T123C4122375C28130E4F706B90575CE544AAF7EB64FB15C1BB288119CA2B42E26F39B77
MD5 SHA1 SHA512 SSDEEP TLSH

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37FiuPMZwq5nalJ.exe

Path C:\Users\Admin\AppData\Local\Temp\37FiuPMZwq5nalJ.exe
Size 95KB
SHA256 001cd2ac5501f92850e05e67e2039c6667f9f9dee8ba9b7fe2f64449e1a4d684
MD5 e04913f57e24a1d45d827cc641b19f52
SHA1 17fc5c89a071dec5a08e215ea21b8f0f90f1df63
SHA512 f15c2772eeb02dc2977c67772a0636ec91f25ef015c9effa7ed7c665c997195ff882e089ade47150ada102c10ae7b319d19df8df3459316cfd0e50b2ca062e61
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTLvg3RF73PFb9Cn0:ZRpAyazIliazTzwPJ9C0
TLSH
T15B93AD03B6D2C170E0B70A7608A9CE5146BFBE769EB18D5737C4218D4A752D04E3ABB7
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