8474c3eb3e536b14bca1f5528486bb5f860a0618cd2d247040fba5659b418914

General

Target
2026-07-23_ab7074b15a6737b887ed4a034676a22d_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260723-qmryvsbb54
SHA256 8474c3eb3e536b14bca1f5528486bb5f860a0618cd2d247040fba5659b418914
MD5 ab7074b15a6737b887ed4a034676a22d
SHA1 613bc4f444e5c7d8265ff3b304fc150ab53b0c41
SHA512 a182f531ec61eb06928a39597e559058668167a1ca5ad4c366859050aff80529c47e9bd6df2a95c89fe758175e9bc34bbe0902cf120dbb8c2e24281db41e10ca
SSDEEP 49152:DcVeOOEd5ctTT4kQu/wYZ2oEeLmLe6OwvhdTRaGnZql/gWEcJQqLyz6cM9KU6V:DBXEd5Mbv/wYZ2KUTIGqTfLyF8KU6V
TLSH
T181F5333B74D5E53AF5D88A3564F856A0172F7E319DE7C40716A8AF8E06580E08F7C2B2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x00120000000118f0-5.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
6752	EssqcGCSYKQUYpm.exe
2480	CTS.exe
4724	EssqcGCSYKQUYpm.exe
6596	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"	2026-07-23_ab7074b15a6737b887ed4a034676a22d_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	2026-07-23_ab7074b15a6737b887ed4a034676a22d_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	EssqcGCSYKQUYpm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EssqcGCSYKQUYpm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-23_ab7074b15a6737b887ed4a034676a22d_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3524	2026-07-23_ab7074b15a6737b887ed4a034676a22d_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2480	CTS.exe
Token: SeDebugPrivilege	6596	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 6752	3524	2026-07-23_ab7074b15a6737b887ed4a034676a22d_bkransomware_elex_maze_rhadamanthys.exe	90
PID 3524 wrote to memory of 2480	3524	2026-07-23_ab7074b15a6737b887ed4a034676a22d_bkransomware_elex_maze_rhadamanthys.exe	91
PID 6752 wrote to memory of 4724	6752	EssqcGCSYKQUYpm.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-07-23_ab7074b15a6737b887ed4a034676a22d_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_ab7074b15a6737b887ed4a034676a22d_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:3524
- C:\Users\Admin\AppData\Local\Temp\EssqcGCSYKQUYpm.exe
  C:\Users\Admin\AppData\Local\Temp\EssqcGCSYKQUYpm.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6752
- - C:\Users\Admin\AppData\Local\Temp\EssqcGCSYKQUYpm.exe
    C:\Users\Admin\AppData\Local\Temp\EssqcGCSYKQUYpm.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=0x2bc,0x2b4,0x2c0,0x2b8,0x2c4,0x6082fc,0x60830c,0x60831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4724
- 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:2480

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:6596

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 c0af2685c85619987cc830e8c63a4cd8b9a6c2cb2b64c8a3cc3ff672585d510d
MD5 cde1a71a9f07314cfb30c7db8ed363fc
SHA1 57352254df7124cd595c2a995f915a95d03b7734
SHA512 e9002e94bcf2c44a64ccfb535c6c962983dcfb559049628d1a70488076ae0ec1a03cf889a5b62c31452a458524bdd65acb033cac4080dda19a53440bd6b8d0f5
SSDEEP 12288:hS04T7WydvWKeA+fQ9gtRRp7bovY6fnlaJ3ixE3K:D+yg1+Iyb+FBEa
TLSH
T100C42303B5CAC5B1C5B3067505999A2947BFF8769EB2CC6B33C4248D0DB95C24E39BA3
MD5 SHA1 SHA512 SSDEEP TLSH

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EssqcGCSYKQUYpm.exe

Path C:\Users\Admin\AppData\Local\Temp\EssqcGCSYKQUYpm.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 7457841f5af62d6c02974cd1f9639160c8803fbc194e7adf3c226931ce3694bb
MD5 3ce2e98b817b6b223e2aa6c804f5e8c0
SHA1 b60e38fdb39167645a2e7901939f53800688c522
SHA512 f086bf67c8ba9e6d7b8e9bc0f8a3c84a3856b553b3704369fbd53ef3c057b6345f26d1b6ae607dfa3ad9c0959f615256a21f54093b8863493e9d01510281baf2
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