c576d94c70df38fb23008f0e05d98b8440f300c5d8216d576de473e4ffc7089a

General

Target
2026-08-02_ffc07e41b1dc240ff60d66d1d5cc4147_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260802-csfacs1yas
SHA256 c576d94c70df38fb23008f0e05d98b8440f300c5d8216d576de473e4ffc7089a
MD5 ffc07e41b1dc240ff60d66d1d5cc4147
SHA1 8b79f38c2434f1b1ceb32f838db581619c634b11
SHA512 6593f194a7eaeeebb97867350b48dafb27d366209c1ada4a63bc6ac848d1cd38661f7a9cb67ec0dfcc24ce5a71114bd12ad2ca5e569b10c9f528a9363b80148c
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazToXmMLTOfOIcCdd/:ZRpAyazIliazToWASWhCX/
TLSH
T15F939D0376D2C171F0B7063644B9CE510ABFBE765EB18D5B3394219E4A752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4904	CTS.exe
4844	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"	2026-08-02_ffc07e41b1dc240ff60d66d1d5cc4147_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	2026-08-02_ffc07e41b1dc240ff60d66d1d5cc4147_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	2026-08-02_ffc07e41b1dc240ff60d66d1d5cc4147_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	4204	2026-08-02_ffc07e41b1dc240ff60d66d1d5cc4147_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4904	CTS.exe
Token: SeDebugPrivilege	4844	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 4904	4204	2026-08-02_ffc07e41b1dc240ff60d66d1d5cc4147_bkransomware_elex_maze_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-02_ffc07e41b1dc240ff60d66d1d5cc4147_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_ffc07e41b1dc240ff60d66d1d5cc4147_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:4204
- 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:4904

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:4844

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 0aa174c3da2ce92b5373f01d03b64ec925540f66f62ca7a2e7211408d3c7ebae
MD5 10cff757f1f635058d2f5d2a912d4b09
SHA1 5e19068d6199dd2558b8ab40e1c6a22fd6867e14
SHA512 169cc94bcce63dd47fe29e24da4e608fea9696fa70bf8523217a2f8427513fc35b349a38978df2d2224f5ba1f90bb93f154d3de689bbed05c8ed3fd194fc4686
SSDEEP 12288:xC0neUcIUfKj2KZSguktx4cmLB9+K7h37o6vmGjCBtxBIQv52fNnH31p8ukc:Dne3Q9Z/mH+q7ovGjEtx95iNHGc
TLSH
T15AC4220379E680B1E8325F3298B9DDD206BFBC75AE715C0727D821CC1A782C15E65BA7
MD5 SHA1 SHA512 SSDEEP TLSH

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VUCaqwx7onu13fs.exe

Path C:\Users\Admin\AppData\Local\Temp\VUCaqwx7onu13fs.exe
Size 95KB
SHA256 9d0e2ffcd12181e3846230abd1d1c2ab8d517558cecc1fb8af73e43d3dbb455a
MD5 cc3d5cc43c9f21265683e2bbe9aeb81e
SHA1 6649d038bc40a10d34551fbe9bdd94634f2db744
SHA512 69f5446a410f73df5c48779cf98a9deef9751efe08216eb086aedde1981be0636bf3fc6418fbb61ab87b6ee74ab3236b3246147b4dabfd4a5169c45623eb7d27
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTgillVaT5gsYVMm0fopf:ZRpAyazIliazTgCV8gslcf
TLSH
T12893AE03B6D2C171E4B70A7648B8DE50067FBE765FB18D577784208E49752C08E3ABA7
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