d684b6176234e1dae967af75baa1613a4b3172bf1d6260ca23e3a8dfd0134623

General

Target
2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260720-1yv5rshv21
SHA256 d684b6176234e1dae967af75baa1613a4b3172bf1d6260ca23e3a8dfd0134623
MD5 c5d473bbf7a6d59344be04b4a5fbd836
SHA1 9b356ee0a68ad7bf7ae2ac4617e89794c04508dd
SHA512 579569850a5f4eba2086b07d8fb0e1de76772efbc22323ebad20e12fcd6fae42ba2617987b2e83c139974e20cf9b7c93c910c45aecc0ce7c0b48f596b0b4281f
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTVokE0kyGhhE3/rKF86r:ZhpAyazIlyazTVLE02hA+n
TLSH
T12F939D03B6D2C1B0F4B71A3649A9CE50067FBE765FB28D573784218D19752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1896	CTS.exe
3724	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"	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_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	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_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	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_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	4700	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1896	CTS.exe
Token: SeDebugPrivilege	3724	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 1896	4700	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_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:4700
- 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:1896

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:3724

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 27a453887dae7d528e57f5aa954bee8e3b693ca0c9ce246622eacb8a4bbd0c3f
MD5 b64c22ed93b92a342191871093576120
SHA1 a02f9700118a592799fb814e76fbbf9dd616adab
SHA512 92c12ca7b0a738d4070bfa28c443cc8f517ef07b6f81b8488956148ac97a0eceac9194d8dec26489b600ba9263e8caec1fbbcd0026498d35756ebb3821d6b5f4
SSDEEP 12288:hS0QMcKCc5vxeuaLPgvSls3hvdzLyJD829hQIr5/G04w2fd:DQhKL9IuaPgKlohvdzWVz8Ir5/j6d
TLSH
T116C41213F7C6C270D0B206B60DE9CB11AF2F7E725AB4DC63B384515805A22D1AE7AB57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ygcMf1XBf6lnmh3.exe

Path C:\Users\Admin\AppData\Local\Temp\ygcMf1XBf6lnmh3.exe
Size 95KB
SHA256 5a7321990f06d0af78c57d7bf53c645786673129cc1eca787bc21e7a7b72ecb8
MD5 51434bc659dc3768cc80c8e5c7e17571
SHA1 c91f84a3d6e37a215f8e8c5332c434c265a46465
SHA512 8b69be8373803e86f37ba15685143ed7a52ec93ff73e0dbd0a371cc2ed80370f3d9d9c0605d3eb2694bdc3002b9376e1ecf42899e63b11e9ed2d585b245e32c4
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTouZrqSsLiI+aEN8VEl4Fo:ZhpAyazIlyazTBZ15Nmo
TLSH
T1FE939C137AD2C171F4B70A3249A8CE510A7FBD765EB18D5B33C4258E09752C18E39BA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
TLSH
T119636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads