48e72979c3fe9d5de70db1b4c9f9074512580a46a9e97835861d49accf71dc15

General

Target
2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260731-3vrz2stbla
SHA256 48e72979c3fe9d5de70db1b4c9f9074512580a46a9e97835861d49accf71dc15
MD5 5dc341b5f2e91e59ae0cf9a2e0b1db66
SHA1 7824020c6bb4f78a13af95740aeeb1c5f63c40a6
SHA512 db553524fc02e906d2fd5e15e58af8628ed64455f0dbfcb780771d475fc93987ea4d6983d5d7310a05804b4094a8517fde1ceb7a8af273ba7c07f91abc073e8a
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT2FwXC4+AkiARaxNw:ZhpAyazIlyazT7lkqw
TLSH
T16893AD03B6D2C171E477063249B4CE6107BFBD764AB28D577394218E0A712C09E3ABBB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5856	CTS.exe
3984	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_5dc341b5f2e91e59ae0cf9a2e0b1db66_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	2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_bkransomware_elex_maze_rhadamanthys.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	2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_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	2800	2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5856	CTS.exe
Token: SeDebugPrivilege	3984	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 5856	2800	2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_bkransomware_elex_maze_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_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:2800
- 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:5856

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:3984

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 cd1283a5b10f411991d1f02cb9dc9c02cd14729d8618ac53af1fbed794d20653
MD5 9108af0d20ddaa62bcab029ca2a92355
SHA1 5549bc0c9a477a2fb303b1b2d089fc5a40b1bd58
SHA512 442da2a7fb063e6c519d10f1e2c65e4063e4ee83a95696cb02390f6f566c5bb3afe13116e75c3d51ee00eb77daddf5532b84245214425d6226f5ce51d7045634
SSDEEP 12288:hS0iFbqGCDhX00UhkSBk7h2szwlmOAP8Xk7wdU0ePvAtc2:DuEhXt/26zwY8R60yYtf
TLSH
T124C422137AC6E0B2F4B642710CB58E585A6FBB791F72D81B1790648D49712C08EBCBE7
MD5 SHA1 SHA512 SSDEEP TLSH

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UgZpuYVF4GTaYrJ.exe

Path C:\Users\Admin\AppData\Local\Temp\UgZpuYVF4GTaYrJ.exe
Size 95KB
SHA256 93dc227358e38a504a6e75d4d3aa58f4122e6d52678021b21be856a04e61436b
MD5 470ee58db15f1133784222705b56604e
SHA1 205744e9df9b2ad2a5b566cd5a02c3a7b4be7fc7
SHA512 2c0605d01aa200cfb08f8196abc448c26ba3897811f257c49c06be0f76d53eea2098fd022bf87f250b027851651393a050290a95105ebf11905a225d1da591f7
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT2drjnpXSNzOuxq:ZhpAyazIlyazT6rtXk0
TLSH
T1E193AE03B6D2C170E4B7067645A8CE5106BFBE725FB18E4B3780258E4A755C18E39BBB
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