3f1c782ff2fa842d39a37fc9572f35c0fa78f607e0bfc83770694b79653d7d5b

General

Target
2026-08-27_f41cbfd768a81ee05f12f73f8a86a1f8_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260828-b2pdysem2y
SHA256 3f1c782ff2fa842d39a37fc9572f35c0fa78f607e0bfc83770694b79653d7d5b
MD5 f41cbfd768a81ee05f12f73f8a86a1f8
SHA1 09e7aaad32a8153759561b78168c68613b878ea2
SHA512 19c21fe6cb52f73815327afaa130da0ea7f2eeb6afbec1862178a8a8c923d8900430158dd56b245667b239a931d6dc0532106782a194e501620408b9f97fc127
SSDEEP 98304:D1cd3wxcNcAYjkTRc45UPh8Dk38UV7P6ivpEthDqNPb:h4ejQK45UPSDkF7PZvpuUPb
TLSH
T11DF53325B28D7B79C86E033599D5AC91152D7B1A07328F7773C0B8CD4EA13889EBA713
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000011394-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
2000	k3v04UKZ59yA1GD.exe
796	CTS.exe
1996	k3v04UKZ59yA1GD.exe
1228	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"	2026-08-27_f41cbfd768a81ee05f12f73f8a86a1f8_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

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-08-27_f41cbfd768a81ee05f12f73f8a86a1f8_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 4 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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k3v04UKZ59yA1GD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-27_f41cbfd768a81ee05f12f73f8a86a1f8_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k3v04UKZ59yA1GD.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5592	2026-08-27_f41cbfd768a81ee05f12f73f8a86a1f8_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	796	CTS.exe
Token: SeDebugPrivilege	1228	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5592 wrote to memory of 2000	5592	2026-08-27_f41cbfd768a81ee05f12f73f8a86a1f8_bkransomware_elex_maze_rhadamanthys.exe	89
PID 5592 wrote to memory of 796	5592	2026-08-27_f41cbfd768a81ee05f12f73f8a86a1f8_bkransomware_elex_maze_rhadamanthys.exe	90
PID 2000 wrote to memory of 1996	2000	k3v04UKZ59yA1GD.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-27_f41cbfd768a81ee05f12f73f8a86a1f8_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-27_f41cbfd768a81ee05f12f73f8a86a1f8_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:5592
- C:\Users\Admin\AppData\Local\Temp\k3v04UKZ59yA1GD.exe
  C:\Users\Admin\AppData\Local\Temp\k3v04UKZ59yA1GD.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Users\Admin\AppData\Local\Temp\k3v04UKZ59yA1GD.exe
    C:\Users\Admin\AppData\Local\Temp\k3v04UKZ59yA1GD.exe --crash-handler "--database=c:\users\admin\appdata\local\Google\Software Reporter Tool" --url=https://clients2.google.com/cr/report --annotation=plat=Win32 --annotation=prod=ChromeFoil --annotation=ver=18.102.0 --initial-client-data=0x2b4,0x2b8,0x2bc,0x288,0x2c0,0xce82fc,0xce830c,0xce831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1996
- 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:796

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:1228

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

Query Registry

1

T1012

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 f966f5d4df433c22e3529e1391fd0aaadbf4831ac490aa7d932439bd98beedd0
MD5 fa18a1cb6d0448fbaf057af43077d81a
SHA1 8af808cc4f5326d8c07ebcd826852c77a0d35270
SHA512 3c0a8f0fcfee6c466d19ffc4c5c65d4706f4f1f99c4153ee84daa0866b9c6731c3c62cc25dda06e225cce4a30c35f5854c979fe04f66f6455031f38537de16aa
SSDEEP 12288:hS04tIgspNEpa+k7ScW3Zn2YMX4QamOOV3M2COSLQkZYU6lnz:DtgkCp2mn7MX4Q/mLOSL9d6x
TLSH
T1D6C41217B2D0D231F4630676A871AE10432FFD319EB59A57739031AC4A362C19F6B6BB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

k3v04UKZ59yA1GD.exe

Path C:\Users\Admin\AppData\Local\Temp\k3v04UKZ59yA1GD.exe
Size 3.1MB
SHA256 b9e001c5ef4845c2c0ce7a1ce134c774a7cd011af31dfbe2a13a96da2f68570e
MD5 a20245af2627cc9d55fbb3a1c682a334
SHA1 2ddbd81a16c18a7d5099f171473439bf84210a16
SHA512 f2a1d8e559dcd3016c3ad67c3c74e88ec62adc5a36ebf16df46f13d60627a9fc3b57dc9746f4551284d1c7eb79b364e76db7e539bfb8a9c20e1828f80bff9d1b
SSDEEP 24576:9yn2D7bFEc7r34rgxlqxjHHTVKIAF3XwVTTIUpWVH1kknPrMkkkskkkkkRkkkkkX:Ug7bV4UxExTTo6TkUEmT5xxvRCI5D
TLSH
T1DFE55C13BEC04032EAB70670B87BBB51557A7E209F1364CF7AC8362E1C716D1AA72756
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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settings.dat

Path \??\c:\users\admin\appdata\local\Google\Software Reporter Tool\settings.dat
Size 40B
SHA256 2ce00b0de2690ff4d4bda129db60e5eea3454260b6728fd2a802b72a7d0e8189
MD5 51f33cf0e0713377fa0ac366571cfd9b
SHA1 7f13e7dc24cfcd69c1327b015c3cc55c5df97eea
SHA512 0d9bce1497661191aa3e1fc5a8819c2b3a4be4381f59ef43a3ec5f60cb50b1ad1193906e03e360245979032f4b03fa009eed8bb6b898c9ac3cf517423b2e1468
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads