45fc1066a66c7723751c3741d2e8fe349a6d64331386f8dc168c6868c146ec1a

General

Target
2026-07-31_f6a453899f54effc30cca7a42974e338_bkransomware_elex_maze_rhadamanthys.exe
Size 211KB
Sample260731-tkpx9sbl5t
SHA256 45fc1066a66c7723751c3741d2e8fe349a6d64331386f8dc168c6868c146ec1a
MD5 f6a453899f54effc30cca7a42974e338
SHA1 54ac514956eb4220f32c2b737c71924876dfbf4b
SHA512 e47c30c7003f72a0e4367c28aa53f34585ec229b00f631fdb5a042aed6a74260e21c813f6436c46ddf0f81a09c487803e1b7274b154c1793afdacd0070c123c8
SSDEEP 3072:ZhpAyazIlyazTMp+mSJl/MuNOPIVlD1xgvVeRfXtt49qlIMHnhG1qlYrJsY7mOGv:hZMazZPlEuNOK1xg9epKqEOw9Jyp
TLSH
T1DF24F113B6D6C171E4770A7204A89F61477FBE721EB08E172790294D4AB53D08F29B7B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4124	zq2O3vfHQKTK7Z6.exe
3452	CTS.exe
4416	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"	2026-07-31_f6a453899f54effc30cca7a42974e338_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	2026-07-31_f6a453899f54effc30cca7a42974e338_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	2026-07-31_f6a453899f54effc30cca7a42974e338_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zq2O3vfHQKTK7Z6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3212	2026-07-31_f6a453899f54effc30cca7a42974e338_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3452	CTS.exe
Token: SeDebugPrivilege	4416	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 4124	3212	2026-07-31_f6a453899f54effc30cca7a42974e338_bkransomware_elex_maze_rhadamanthys.exe	89
PID 3212 wrote to memory of 3452	3212	2026-07-31_f6a453899f54effc30cca7a42974e338_bkransomware_elex_maze_rhadamanthys.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-31_f6a453899f54effc30cca7a42974e338_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_f6a453899f54effc30cca7a42974e338_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:3212
- C:\Users\Admin\AppData\Local\Temp\zq2O3vfHQKTK7Z6.exe
  C:\Users\Admin\AppData\Local\Temp\zq2O3vfHQKTK7Z6.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4124
- 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:3452

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:4416

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 41be7a42d8c5daee47476c12fe33ed6201a8a41cb84be452a3f2fb58dd6fd92a
MD5 cb7f98aae0b6505c7c5ab00810d24976
SHA1 f0c819cc2b21bce68f4b17599621c44016423990
SHA512 2c64d5d8be0efa724bdeac1368e07f64f20e63ee90fc6b40d67910a9f868c44f5225e18ed6f267125f1021f647be003dd2a7ea304d794f01ea38e0b44409f493
SSDEEP 12288:hS0xpKjBDyRa24A35OcygnwIcq7UJBes1U7YskIt1dvfXqygFk1:DrQuRTvYcygnwoYTes1U7YsNjvfX8M
TLSH
T1EEC41213B2D58435E1328F7244658F6056AFBEB6AF364D273384711E06B95E08E3AB1F
MD5 SHA1 SHA512 SSDEEP TLSH

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zq2O3vfHQKTK7Z6.exe

Path C:\Users\Admin\AppData\Local\Temp\zq2O3vfHQKTK7Z6.exe
Size 140KB
SHA256 a09f012723c5425bb928399302eb90362116855b3d0612347e76e8b7c82127b7
MD5 9c98d1a23efaf1b156a130cea7d2ee3a
SHA1 947a300323ce1b2468422ad62316cb5da039e423
SHA512 f74396ce284ca7f02f51474ddec39629310451743e7ca08deda9f43cb314d97c7671ea3c504f3f09495e733a6b9bc196ae971553e9e3c4741b287e613be6ef6f
SSDEEP 3072:1JEXiJu7COG12zuf9AxnPKiadKSUoxzWCtnRPF9EVnb43jaI5grI2v0:0K9J2JPT/SUxCtnRPF9cCGrI2v
TLSH
T198E3AF13BAC1D475F671083428769A91CA3FFC815F615EAB3B98357A4F342C09932EA7
MD5 SHA1 SHA512 SSDEEP TLSH

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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