e7c4a5bfe8a4ce967c146047f68226715888c8cadf976af56c7d67121e2a2c76

General

Target
2026-07-23_6f3da10701ebbe40522172d3897015bf_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260723-q5c8esbc72
SHA256 e7c4a5bfe8a4ce967c146047f68226715888c8cadf976af56c7d67121e2a2c76
MD5 6f3da10701ebbe40522172d3897015bf
SHA1 593d42b7e9fd39a385620ee5155f94ac4eebe830
SHA512 62d66f28384ced56ad679799ac75481c6dd834b16732efed043fe07a53e84f4cd0d0a784e5df8452d76761ccef31b8a94f475bda9b783c4b4b452ae23d5ccb53
SSDEEP 98304:Dpc2cZszyAbU2n6rPqQfaXDlOd/0imQf+2kLEVbE:sA/jcqOaXBcmQW2TE
TLSH
T150F5330738E34EA5E15196750197AF40126F7E250E7B2BA232C174FE50E24D09EAB3FB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c535-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
3248	znHxZD0gNjLiQb0.exe
2212	CTS.exe
4968	znHxZD0gNjLiQb0.exe
1408	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_6f3da10701ebbe40522172d3897015bf_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_6f3da10701ebbe40522172d3897015bf_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	znHxZD0gNjLiQb0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-23_6f3da10701ebbe40522172d3897015bf_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	znHxZD0gNjLiQb0.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4296	2026-07-23_6f3da10701ebbe40522172d3897015bf_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2212	CTS.exe
Token: SeDebugPrivilege	1408	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 3248	4296	2026-07-23_6f3da10701ebbe40522172d3897015bf_bkransomware_elex_maze_rhadamanthys.exe	89
PID 4296 wrote to memory of 2212	4296	2026-07-23_6f3da10701ebbe40522172d3897015bf_bkransomware_elex_maze_rhadamanthys.exe	90
PID 3248 wrote to memory of 4968	3248	znHxZD0gNjLiQb0.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-23_6f3da10701ebbe40522172d3897015bf_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_6f3da10701ebbe40522172d3897015bf_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:4296
- C:\Users\Admin\AppData\Local\Temp\znHxZD0gNjLiQb0.exe
  C:\Users\Admin\AppData\Local\Temp\znHxZD0gNjLiQb0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Users\Admin\AppData\Local\Temp\znHxZD0gNjLiQb0.exe
    C:\Users\Admin\AppData\Local\Temp\znHxZD0gNjLiQb0.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=0x2b4,0x2c4,0x2b8,0x2bc,0x2b0,0xd082fc,0xd0830c,0xd0831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4968
- 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:2212

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:1408

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 734032afcc4a563afabdc560c6508c25b232793ada8a50f2913b904e10c8bb0a
MD5 b808d5e8d1f93162bcda050b3029797a
SHA1 ac26719dfcc11f4c6ffcffeb79f7885372ba38f8
SHA512 d37308ccec287cd7c5f3b9f4e179244094ce94495e5ae36255d92b6e627036e692862d93e9c3e8d6bdc4d36e42ef87811a7989d31960f8fe0efeb6777b46e673
SSDEEP 12288:xC0UxcxOA0SnLSuk91r6x4JgSAnvFvlHezmaTVcxl:DWEV091rw4+Sa9vdezcl
TLSH
T185C4121337D3C532CAB7A6B204A59E61462E7E731DF5CE837388648EA4709E08D75B27
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

znHxZD0gNjLiQb0.exe

Path C:\Users\Admin\AppData\Local\Temp\znHxZD0gNjLiQb0.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 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 34d9e81b6071a93b5c0053cf10ade9061f2d4da516f9bca1097f56a47958c56a
MD5 5d78f2128b1d5da3e19f4c2c538a3db4
SHA1 4f97c14cb3642de8d29d735da4066d979e3aa741
SHA512 203c987ed61946e9899bf1318937593c32f41d55a49c7b25e026e344dc27936b07b6edb9a3145b53696bb3ece99488a703dfb43847a8966130b08c1668fc8371
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