5177b93af0c874404461c81cc1ae2fefb7123443651ae1017fe890ff4d8b2879

General

Target
2026-07-23_89c679b92c1cf62157cda77089e9a42f_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260723-jm6cxstemf
SHA256 5177b93af0c874404461c81cc1ae2fefb7123443651ae1017fe890ff4d8b2879
MD5 89c679b92c1cf62157cda77089e9a42f
SHA1 3360440884f9142da3be24a24786ae5502be7f43
SHA512 868d37d4a35bdb0c36e1f2f9754a38b492300156bb93d5764c77fb918e37850b167cd8bae6d25f1a96238d444aa9a7ed06277ad38bf2575519f30df5b34d1158
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTgEWSVQjq+/5dJuZv3j9DCQYB0:ZRpAyazIliazT1WAsq+/puZvTdCB0
TLSH
T1D2939D0376C2C171F0B70A7649A5DE610B7FBE765EB18D5B3384219D0A712C05E3ABAB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4424	CTS.exe
4736	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"	2026-07-23_89c679b92c1cf62157cda77089e9a42f_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	2026-07-23_89c679b92c1cf62157cda77089e9a42f_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	2026-07-23_89c679b92c1cf62157cda77089e9a42f_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	2026-07-23_89c679b92c1cf62157cda77089e9a42f_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4424	CTS.exe
Token: SeDebugPrivilege	4736	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 4424	1648	2026-07-23_89c679b92c1cf62157cda77089e9a42f_bkransomware_elex_maze_rhadamanthys.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-23_89c679b92c1cf62157cda77089e9a42f_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_89c679b92c1cf62157cda77089e9a42f_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:4424

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:4736

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 31bb9e8acbc90d48c7c4f0199a027104c6f3cc451645e1dd6c7f43e6c139f050
MD5 ad1278478572ed29df8cf39b59cd88fc
SHA1 7dafabb50ceea2088a7831dbe67bf9cfc4bc4fb1
SHA512 0fbf329013518b09dae3e2da151555bcff82803f79fa94c8ae5f86db7540025bd15d688d6ab3fd309dab118167141b4e73095195b1730a0989db578119d95e4b
SSDEEP 12288:xC0//1JK3Lomux0sYf4dJcb8SJ+OafB+USblxIC8xvQzJW+nlnTfQJ49zj:D1SLgx0N4a+OZU83r2yJW+lTfJ
TLSH
T1BDC412137AE7C131E0A4173A5CA5DD410A2FBCE50EB28D0B6788A16E05712E09E36FF7
MD5 SHA1 SHA512 SSDEEP TLSH

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VXqcf9blKdeqqPS.exe

Path C:\Users\Admin\AppData\Local\Temp\VXqcf9blKdeqqPS.exe
Size 95KB
SHA256 b8804eb2647fefedb5e0142c6fc0db30b3ec298cc5034cc5dc4907a0d5ec3d84
MD5 e00a20c2e42d16ee2d86b38f1be9a09e
SHA1 db1b095d4e12d39cb911cf48afe58b6d36b28fa7
SHA512 7fee433d5271db4bf78a377c5f0b4f00a7d6170e0be6f0eac62343a49bd1fba049cfda7f52789554c648649dacccaeb01a23b950a57725055fe7382655bf7c3a
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTEjJopZh7wYe:ZRpAyazIliazTEjOhje
TLSH
T1DD939D13B6D2C170E4B74B3244A8CE540ABFBD765EB28D577784618E06752C08E39BB7
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