703c3fd915cffa90e261a35f762cfcc5c27abacb33950365e00984169373a5e3

General

Target
2026-07-15_e77ed9fe528f15cf1d26333190b81bfd_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260715-tx87nsb13s
SHA256 703c3fd915cffa90e261a35f762cfcc5c27abacb33950365e00984169373a5e3
MD5 e77ed9fe528f15cf1d26333190b81bfd
SHA1 449eb5cc618683e937bd7774398e338b2037984b
SHA512 0427e685f64d6dd7671c071fb4f22543828af787d875db1e1165eef09799ac9b038978b16803967eab1dc61f2c31b08ab841a7fb112f0f672b39523ed231da8b
SSDEEP 98304:DP4FBFnrRHg+YDhzFLLVB2YDQhrC/h4f8/:T4FBFrdYJJLVKrC5SE
TLSH
T1C2F53363A79E8250E4DA4BB4C525E7B0299EBC2C8C70CC5932CC31DA55B87C1DDA673B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000019cb8-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
2844	WP4o2NK6HhGB8NI.exe
5828	CTS.exe
4980	WP4o2NK6HhGB8NI.exe
5724	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"	CTS.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"	2026-07-15_e77ed9fe528f15cf1d26333190b81bfd_bkransomware_elex_maze_rhadamanthys.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	CTS.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	2026-07-15_e77ed9fe528f15cf1d26333190b81bfd_bkransomware_elex_maze_rhadamanthys.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	2026-07-15_e77ed9fe528f15cf1d26333190b81bfd_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	WP4o2NK6HhGB8NI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WP4o2NK6HhGB8NI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3916	2026-07-15_e77ed9fe528f15cf1d26333190b81bfd_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5828	CTS.exe
Token: SeDebugPrivilege	5724	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 2844	3916	2026-07-15_e77ed9fe528f15cf1d26333190b81bfd_bkransomware_elex_maze_rhadamanthys.exe	87
PID 3916 wrote to memory of 5828	3916	2026-07-15_e77ed9fe528f15cf1d26333190b81bfd_bkransomware_elex_maze_rhadamanthys.exe	88
PID 2844 wrote to memory of 4980	2844	WP4o2NK6HhGB8NI.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-15_e77ed9fe528f15cf1d26333190b81bfd_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_e77ed9fe528f15cf1d26333190b81bfd_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:3916
- C:\Users\Admin\AppData\Local\Temp\WP4o2NK6HhGB8NI.exe
  C:\Users\Admin\AppData\Local\Temp\WP4o2NK6HhGB8NI.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Users\Admin\AppData\Local\Temp\WP4o2NK6HhGB8NI.exe
    C:\Users\Admin\AppData\Local\Temp\WP4o2NK6HhGB8NI.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=0x2a8,0x2b8,0x2c4,0x2c0,0x2c8,0x11782fc,0x117830c,0x117831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4980
- 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:5828

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:5724

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 126cc10d1e37b2a2ff46c82ec21d69828300f19b81f23a02b772473d38936f95
MD5 15a5f572f1324d4260799b3f4ce9d11c
SHA1 abff7be08b4158a271c1b672be8809646a355132
SHA512 ab524923d6b584242a5da2d7b3fcb47ae9f59dd8eed7de2df72f20149281f5f17d9d3b334f9576140daa8ac7e933ee4b2052d12fcaa9cfa829585496b92fa00a
SSDEEP 12288:xC0rNQx/cVOfcH1F8WaaQmUAr6oPc/y63Zp+x5myxBuzj02Uiu7yKVJE:DxQEOfEFLaaQFAOomymI5mgBidUiu7y7
TLSH
T14DC4230336C0D170E5E35BBA0869DE20051FBD758EB48D2B2BD861CDA4B65C08DBAB87
MD5 SHA1 SHA512 SSDEEP TLSH

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WP4o2NK6HhGB8NI.exe

Path C:\Users\Admin\AppData\Local\Temp\WP4o2NK6HhGB8NI.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 71061047719214db84d63790b60b794f72e5fcc9d964577ad627320a6c1d7eea
MD5 76421d18054a3eca2d87b66d0627a545
SHA1 7e06ddfce5d85f48282410d5ec5405d19cff8865
SHA512 9c115c89d2de2cc887e62a3de7f65eae846966a66f6a540606966ebcd1c51267827fd9925b6cc03865355ffc8b1d16e7a99355d671923f30d22ecf5f2e04980b
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