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
3264	CTS.exe
756	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	2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_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	2026-07-31_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	3080	2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3264	CTS.exe
Token: SeDebugPrivilege	756	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 3264	3080	2026-07-31_5dc341b5f2e91e59ae0cf9a2e0b1db66_bkransomware_elex_maze_rhadamanthys.exe	87

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:3080
- 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:3264

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:756

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 cf6c31f89f0108f9e95027467450ca4742684ff090daf211203115b6a3f99bd7
MD5 9d81750c7dd22e10d04a23144c18b6c2
SHA1 5416699e7ec03aa6632985c82256cbbfa2a056bc
SHA512 3a8829d40ec597279eb5eeb249ca6393d0b32ef2f201c8519498bfffc366982b837e0fa3b9806edf495ebcfeef1e229f06b08aad82da670555e0c630dad2a328
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTKT5:ZhpAyazIlyazT6
TLSH
T1C8736C03B6D2C170F4B70A7649B8CE51067FBE765EB18D5B3384218D49752C09E3ABAB
MD5 SHA1 SHA512 SSDEEP TLSH

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WKOfL95uRS7u8b8.exe

Path C:\Users\Admin\AppData\Local\Temp\WKOfL95uRS7u8b8.exe
Size 95KB
SHA256 4f02e82c38286312ba782e876c1a60c6c54998c63c9273cab41bbe56fe95bc2b
MD5 ede3e3150835d5a467395d3f59172eca
SHA1 c74ed3d5c3ccd6ebd9ee96bc26520cc23e966a2c
SHA512 63bc21241a5273f7cd700077f8cc0d55354e40bd798fd0947659caf105643e7c42a3ba5056656d386c3fc9b712e34b107397f1a9ef0018d0fa82a3893c842cbb
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT+u9jVKOPHhBlLEdRs:ZhpAyazIlyazT5KOP7lgRs
TLSH
T1CC939C0376D2C171E0B70A3609B8CE610BBF7D764EB18E573384259D49722D19E39BAB
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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads