3c9a503ecc1dc391e9d7776413383bbe6a58ebb5720ed20f2156cbf121acc84d

General

Target
2026-08-04_29a07add0341b3eea5678771e69a983a_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260804-js594svblc
SHA256 3c9a503ecc1dc391e9d7776413383bbe6a58ebb5720ed20f2156cbf121acc84d
MD5 29a07add0341b3eea5678771e69a983a
SHA1 50d0a9a800314da946f565c58e90c6885d2cb6f3
SHA512 d21f98a6201e968ad064886e638a80dd82e74c12507a783e47bcd23b285a3729b704100caf2f2ce5fab7be6d5a95cf89743e2185141d1b3f563ea112c12177de
SSDEEP 49152:Dq+RMSrrzay/mPeOAGECUiftT8UHORwnCZlhJdN3eufv1hep+EJE1jInVUn6Ajgr:DjFGHft4SgQCZVnnfvHCJsj3BQf
TLSH
T141F53303753AC063E25309B7CDDD42706DEA7D16BB008B4A7BF115AD467A8E34D0AE67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000b00000001136a-5.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
2716	8k8ZBroccKUYtQU.exe
4128	CTS.exe
252	8k8ZBroccKUYtQU.exe
6052	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"	2026-08-04_29a07add0341b3eea5678771e69a983a_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	2026-08-04_29a07add0341b3eea5678771e69a983a_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	2026-08-04_29a07add0341b3eea5678771e69a983a_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	8k8ZBroccKUYtQU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8k8ZBroccKUYtQU.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	2026-08-04_29a07add0341b3eea5678771e69a983a_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4128	CTS.exe
Token: SeDebugPrivilege	6052	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2716	2692	2026-08-04_29a07add0341b3eea5678771e69a983a_bkransomware_elex_maze_rhadamanthys.exe	88
PID 2692 wrote to memory of 4128	2692	2026-08-04_29a07add0341b3eea5678771e69a983a_bkransomware_elex_maze_rhadamanthys.exe	89
PID 2716 wrote to memory of 252	2716	8k8ZBroccKUYtQU.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-04_29a07add0341b3eea5678771e69a983a_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_29a07add0341b3eea5678771e69a983a_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:2692
- C:\Users\Admin\AppData\Local\Temp\8k8ZBroccKUYtQU.exe
  C:\Users\Admin\AppData\Local\Temp\8k8ZBroccKUYtQU.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Users\Admin\AppData\Local\Temp\8k8ZBroccKUYtQU.exe
    C:\Users\Admin\AppData\Local\Temp\8k8ZBroccKUYtQU.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=0x2c4,0x2bc,0x2c8,0x2c0,0x2cc,0xda82fc,0xda830c,0xda831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:252
- 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:4128

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:6052

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 1.5MB
SHA256 64b0cebeb7a53d242bcecc72fe42f4cde9a3dda844f0185a1fe656abea54acb6
MD5 301511cac6b33648b1b0753ae3545871
SHA1 22fb57cab57ed6ac9da69ee05a2548b5cc601200
SHA512 d677beaf336e63a67af3dc6e518732742505fc38ef4b7288ce41cacd8d313976e95190f3bb877f62c39ff3bfce0429ceda5e1e46ca768dcdca528e74d086fa02
SSDEEP 24576:DinA0SeOSdoU0KuBW2ELWJGvUvLaYJ6CK2CZxUjPjt5M2Lnwx3R5v6LBaF:DOlHOWTC4aLaYJ6yCZKPjoB5vsY
TLSH
T17D652327FB62C4F2F4BB57758D39DAA040BBFE721B295A5597C030E901726C10E24EA7
MD5 SHA1 SHA512 SSDEEP TLSH

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8k8ZBroccKUYtQU.exe

Path C:\Users\Admin\AppData\Local\Temp\8k8ZBroccKUYtQU.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 8c771a65c87e4dd4a1aca305fe8e9eed09460ebefb3b4e9dfd8bbd835c59b5d5
MD5 f775d2ad76e188b619f6a1e8ca8e0e63
SHA1 9d0a9824022e4baa26b9eaba3710ecc60607d696
SHA512 b7a53e32b08ca98dc135ea5585834ea9503c4350b228e1c84b34074f43fbc091c65f02c61459be33725380667c52f56cd4454d129e7b43e8f19674b7186f0327
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