1f07c7051044521f8faa8304e1e827dac1e1bd74f474d443277bc0a1dac25808

General

Target
2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260723-vyyb8stdla
SHA256 1f07c7051044521f8faa8304e1e827dac1e1bd74f474d443277bc0a1dac25808
MD5 b95733449b23ad3a850e294015cf3a6d
SHA1 0762cb846dba5de7c389659c8a33eaf4fb060719
SHA512 1fff1ae4542b70a27315e74791c5b074a7cc7ea1fd2d8ac1f604dc3082c7284c891030a63f8ecccfbf9f5f0af88b9ee7bfe1af3f5e5bcd168e28f13184fcebfe
SSDEEP 98304:DSY4ianXreCTeFaeAMmsmpgBKZ0hZKTa0TfIfG:R4ianXrbTeg/MJEGKZ8KTZTQfG
TLSH
T14BF53351F25694B4D07377B668F2EC45CD9EFCF4A6B08C66078AE31C876A4106F28D72
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000244dd-3.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
3248	w0hPYoCugDCPr8g.exe
3272	CTS.exe
2864	w0hPYoCugDCPr8g.exe
392	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_b95733449b23ad3a850e294015cf3a6d_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_b95733449b23ad3a850e294015cf3a6d_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	2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	w0hPYoCugDCPr8g.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	w0hPYoCugDCPr8g.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3272	CTS.exe
Token: SeDebugPrivilege	392	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 3248	1492	2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe	85
PID 1492 wrote to memory of 3272	1492	2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe	86
PID 3248 wrote to memory of 2864	3248	w0hPYoCugDCPr8g.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-23_b95733449b23ad3a850e294015cf3a6d_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_b95733449b23ad3a850e294015cf3a6d_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:1492
- C:\Users\Admin\AppData\Local\Temp\w0hPYoCugDCPr8g.exe
  C:\Users\Admin\AppData\Local\Temp\w0hPYoCugDCPr8g.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Users\Admin\AppData\Local\Temp\w0hPYoCugDCPr8g.exe
    C:\Users\Admin\AppData\Local\Temp\w0hPYoCugDCPr8g.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=0x280,0x288,0x28c,0x284,0x294,0x7082fc,0x70830c,0x70831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2864
- 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:3272

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:392

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 08ede6bbe1e106ef5904698d60d03f1cd5741c89ce1d2c6f43a34f659ac4f74a
MD5 676ffcd0fa39c913fe87c26f837891fd
SHA1 3c0fb16b036581c6170db2eedb2c29d8c5a57707
SHA512 8bbb17269977b48f3e1834a8e78e30070d6c6ad9435af6cfd04ebf2eacbba831879840573e74e13f54cb4a0f862d6c08b487dbf95534c01d962116d5de883d02
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTo:ZRpAyazIliazTo
TLSH
T19C737C03B6D2C171F4B70A7249A8CE51067FBE765FB28D573384218D49712C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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w0hPYoCugDCPr8g.exe

Path C:\Users\Admin\AppData\Local\Temp\w0hPYoCugDCPr8g.exe
Size 3.1MB
SHA256 b9e001c5ef4845c2c0ce7a1ce134c774a7cd011af31dfbe2a13a96da2f68570e
MD5 a20245af2627cc9d55fbb3a1c682a334
SHA1 2ddbd81a16c18a7d5099f171473439bf84210a16
SHA512 f2a1d8e559dcd3016c3ad67c3c74e88ec62adc5a36ebf16df46f13d60627a9fc3b57dc9746f4551284d1c7eb79b364e76db7e539bfb8a9c20e1828f80bff9d1b
SSDEEP 24576:9yn2D7bFEc7r34rgxlqxjHHTVKIAF3XwVTTIUpWVH1kknPrMkkkskkkkkRkkkkkX:Ug7bV4UxExTTo6TkUEmT5xxvRCI5D
TLSH
T1DFE55C13BEC04032EAB70670B87BBB51557A7E209F1364CF7AC8362E1C716D1AA72756
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
TLSH
T176636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
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 389357b84cdf407561f9e7d8f1e09a39a797036f0c3fe0f3019bd348977a6fb9
MD5 98ed095fb321543a6a17535932cfe94a
SHA1 439882dff1a65bc1a7164f7801d4a009adbcc696
SHA512 0adc282393804b28bb7c2a5da269aa0967fee54279fc881997b641d8f1e2e6dd78778b83c21b8026fd32abe1ec330c974a7ad62eb4801e9aa622b5a7d1310d99
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