275f5e78a822f69770db73e531b18f907344b7dfdba4714a2772874e0b16270d

General

Target
2026-05-01_264d4838daf9b6eab5544d1c9a6157f0_bkransomware_elex_maze_rhadamanthys.exe
Size 393KB
Sample260501-xnylcsbw2w
SHA256 275f5e78a822f69770db73e531b18f907344b7dfdba4714a2772874e0b16270d
MD5 264d4838daf9b6eab5544d1c9a6157f0
SHA1 af12a2717e7e33a6dd3fdc779df05e5ac0f56a7d
SHA512 a5068dc464c60e804b9c78ffeeddea9729ac0e55e024119eb2e38054230d70accaafae76043f2fa1dce6cc0bc8010ac9ecbb39a07aee169d27d3edc2ef98093b
SSDEEP 12288:xC08rDe1yt+oPxtGK1SYBupQ7Hv1w/PLD:D8rDSobS5C7tw/PX
TLSH
T11384124376C3D2B8E136423248A19E1107BFFE779B61AE56638419CE16705C11E3FBA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2112	CTS.exe
1832	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"	2026-05-01_264d4838daf9b6eab5544d1c9a6157f0_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	2026-05-01_264d4838daf9b6eab5544d1c9a6157f0_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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-01_264d4838daf9b6eab5544d1c9a6157f0_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4608	2026-05-01_264d4838daf9b6eab5544d1c9a6157f0_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2112	CTS.exe
Token: SeDebugPrivilege	1832	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 2112	4608	2026-05-01_264d4838daf9b6eab5544d1c9a6157f0_bkransomware_elex_maze_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-01_264d4838daf9b6eab5544d1c9a6157f0_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-01_264d4838daf9b6eab5544d1c9a6157f0_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:4608
- 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:2112

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:1832

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 393KB
SHA256 47b628d22fdde33ae503bab14deb430f00105f9548fd5dad88d712e87c13bbe4
MD5 485c70495ca4ddec3c68687a111f0e29
SHA1 bd035c2366174f5829a2ac62b425f61b86ee3c0c
SHA512 8e1de13bde1e9de53e7743319f5546583048c757d1e0847f61e51efc30e050376af83a806fa16b234ad3a4b8be23d9378e036ebaa989b2c231085c21671fa466
SSDEEP 6144:xZ8azgwsP2l9ekYcpcUId6euIkkt4ADGjRKofHehfKc9FQraEEGASP8vBwi86kIx:xC04++ZFM9lS4A8Kofjc/gP+SSw//6lv
TLSH
T122841253BAD68174E1B346724A50CA005ABF7DBB2BF98D4B3381274D50B61C04E7ABDB
MD5 SHA1 SHA512 SSDEEP TLSH

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46QNa9EJiicY2qz.exe

Path C:\Users\Admin\AppData\Local\Temp\46QNa9EJiicY2qz.exe
Size 393KB
SHA256 b7ecfdba684349acfe2e77527ad19bfef01e0268ec631f01d0ea2e729bded5cf
MD5 7f8de3fb8f2481653ad1186d7ac4f3e8
SHA1 f6eb727b17ce5a48966f3ec67a1ef6a97c3b6cf5
SHA512 46a7952a7ea53318f442e40aba9a99ac09317995b875f3ca5e70cc407216abea09f4603a90ad35d3973449bf77842796978fa1d2bbfd25bec4ca798295f20695
SSDEEP 12288:xC0oN3ob8mmiqXz7V/SRACUQEXWKuf26O:Da/mB+h/4AKEM2L
TLSH
T18184120B7BD5D531D4B219B64A59DE410A7FFE3A6EA1CE4B37D8200D11622C00E7AB7B
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