f5c760ee95262440fc49eba347f12d198b2021220c7a2a88ff98798a3644a5a8

General

Target
2026-07-03_a4936532cab34971c07b67ad9df2fb1d_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260703-c63b2sat8x
SHA256 f5c760ee95262440fc49eba347f12d198b2021220c7a2a88ff98798a3644a5a8
MD5 a4936532cab34971c07b67ad9df2fb1d
SHA1 66d8bce0eda5daf0d8b73f4ffec67440dd73100a
SHA512 98f78e46956a77b7f3d1d9ad91be16b1b032a7c0864e89fa4bb8818a09550173f04c49f6752d176eb39a3735a92a0cf352a50166f1642e4a82b1a93a896158ce
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTGf4R518zZgedyw3F0iMr3tHe:ZhpAyazIlyazTJ518l5py3o
TLSH
T1FD93AE03B6D2C170E4B7067249B8CE51067FBD765FB18DA73784618E09B12D09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4964	CTS.exe
3288	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"	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_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	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_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	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_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	4424	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4964	CTS.exe
Token: SeDebugPrivilege	3288	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 4964	4424	2026-07-03_a4936532cab34971c07b67ad9df2fb1d_bkransomware_elex_maze_rhadamanthys.exe	84

C:\Users\Admin\AppData\Local\Temp\2026-07-03_a4936532cab34971c07b67ad9df2fb1d_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-03_a4936532cab34971c07b67ad9df2fb1d_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:4424
- 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:4964

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:3288

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 8e26e36e340405f27d9c27b04eb1c678dfcbc33d984529c13b8ef6013bcc8395
MD5 edea563258742b6ca9e66c0aab95e329
SHA1 c89c8c62ca00df35c74e15d27eb186dc6ee3d087
SHA512 8c44aacc91f92282dd654846716dfa3a1af069e0af4aeb46992d33879726c5bdeb7a994c5f80d2b7baf28d8c396e64ece8b0ecab60327da14177670c6a4e4cdd
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT9b:ZhpAyazIlyazTJ
TLSH
T114736B03B6D2C170E4B70A7649A8CE5106BFBE765FB18D5733C4218E49752C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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yeQQrK56eqZh8xc.exe

Path C:\Users\Admin\AppData\Local\Temp\yeQQrK56eqZh8xc.exe
Size 95KB
SHA256 40cb1f8bd405115fcaa566d739fb79e71fbed1411825889e8d8f0d4adcb2fd2f
MD5 690ecd1a18e329f8a80ee41b117b7320
SHA1 33b164e7b22ef2ce6eef06629e278e14143e95c8
SHA512 76b4199366f6ff517d4c311f760b41d798b7eab4b76c6d3122f6a80b18910a66dd5e6deb334d5423da2016126a405dd7757c0db5e09f1a572daafed7982cd688
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTfApfYe8O4TNm5s2:ZhpAyazIlyazTf2fYpO4Rmm2
TLSH
T1C2939D0376D2C171E4B70A3648B8CE6007AFBE765EB68D5773D0219E06752D04E3ABA7
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