f52bf28de69751570d1731d258f71fee10da97053a8b4344a74968aad3ebae26

General

Target
2026-07-15_cf54ef816eeaf1b035739d52080e40d5_bkransomware_elex_maze_rhadamanthys.exe
Size 211KB
Sample260715-evxcrsbv2p
SHA256 f52bf28de69751570d1731d258f71fee10da97053a8b4344a74968aad3ebae26
MD5 cf54ef816eeaf1b035739d52080e40d5
SHA1 4dfeba40aaee321ec81ae02bdb9c9bf2321f5cd6
SHA512 ab6ea6924e1acba06f8306d659b595243b7f2e2490a85a77ead7b549bee1cfc6ca04a7a6967dae4426f81be496e02b9e2d7ef35c5a7ca7530cc86c23c53c7222
SSDEEP 3072:ZhpAyazIlyazTR0b/HiwOA75Pxs25/vRwLVzb+f9uqVRsdPw5JjNYI4BOmiRKt:hZMazFwCwf75PGs/21w9Sdo5Jj4O9U
TLSH
T1A124F113BAD2C171E4B74B7249B9CD110BAF7E310BB69ED72780258E15742C18E39BA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3184	CVQYeMc792CXNxS.exe
3484	CTS.exe
3956	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"	CTS.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"	2026-07-15_cf54ef816eeaf1b035739d52080e40d5_bkransomware_elex_maze_rhadamanthys.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-07-15_cf54ef816eeaf1b035739d52080e40d5_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 3 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	CVQYeMc792CXNxS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-15_cf54ef816eeaf1b035739d52080e40d5_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	2026-07-15_cf54ef816eeaf1b035739d52080e40d5_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3484	CTS.exe
Token: SeDebugPrivilege	3956	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 3184	1512	2026-07-15_cf54ef816eeaf1b035739d52080e40d5_bkransomware_elex_maze_rhadamanthys.exe	87
PID 1512 wrote to memory of 3484	1512	2026-07-15_cf54ef816eeaf1b035739d52080e40d5_bkransomware_elex_maze_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-15_cf54ef816eeaf1b035739d52080e40d5_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_cf54ef816eeaf1b035739d52080e40d5_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:1512
- C:\Users\Admin\AppData\Local\Temp\CVQYeMc792CXNxS.exe
  C:\Users\Admin\AppData\Local\Temp\CVQYeMc792CXNxS.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3184
- 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:3484

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:3956

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 9a250a446230513d67c2846500ac74666ff065c8d02b19580bbfd7037ba01602
MD5 3649bb102b53c2b5db9c85c0df28c334
SHA1 98453f90d3e86c167ddad704d86c059fb6a1d5c7
SHA512 06a45a556c1cf69bf276e7818059ed29c2e1902fc2482a6bacaa36cd673b5b26d82dec053dc7e4c5b33d1e8ae59dbdaf41d1d977b56963c233958a482b13d1f5
SSDEEP 12288:hS0HK2AiuqI1IdX22y5Q9HzaQih8uVz5egZaGdSHq:DHhICby5sHzaauVzsgZYq
TLSH
T10BC4120376D19931E0B706B29268C886433F3E366FB1DDDB37E4A05D95B12C21D6A7A3
MD5 SHA1 SHA512 SSDEEP TLSH

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CVQYeMc792CXNxS.exe

Path C:\Users\Admin\AppData\Local\Temp\CVQYeMc792CXNxS.exe
Size 140KB
SHA256 a09f012723c5425bb928399302eb90362116855b3d0612347e76e8b7c82127b7
MD5 9c98d1a23efaf1b156a130cea7d2ee3a
SHA1 947a300323ce1b2468422ad62316cb5da039e423
SHA512 f74396ce284ca7f02f51474ddec39629310451743e7ca08deda9f43cb314d97c7671ea3c504f3f09495e733a6b9bc196ae971553e9e3c4741b287e613be6ef6f
SSDEEP 3072:1JEXiJu7COG12zuf9AxnPKiadKSUoxzWCtnRPF9EVnb43jaI5grI2v0:0K9J2JPT/SUxCtnRPF9cCGrI2v
TLSH
T198E3AF13BAC1D475F671083428769A91CA3FFC815F615EAB3B98357A4F342C09932EA7
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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads