7f2f53454a8e2b31c54396e8e5532b5c79a1242b9ed825352851def4fba5dc2d

General

Target
2026-08-17_981a787c8b3bbd787677ea70bb03330b_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260817-svaewstbrd
SHA256 7f2f53454a8e2b31c54396e8e5532b5c79a1242b9ed825352851def4fba5dc2d
MD5 981a787c8b3bbd787677ea70bb03330b
SHA1 f5dc3f0fdd24d62403e899b25ca957683e3ad0fd
SHA512 7ad30d9a72de5b77d539ad798172041baf9deb59f8f46f18910abd07311029ddcbc72801236b99df8ff80fb227c3b0606e16d35d3d250caacc170a81e1b285ea
SSDEEP 49152:DA/r+kC6JhE6m9CSHhzINEecMv8YQ/55lV5EZzw0P+kNckfppDsuMQvMq:DfkDJap9JG/VK5lV56s0HxOuMqb
TLSH
T1CDF53362A9C68037F4F30AF719F89B25129F385E5E5A8B4733ED75C563323D00A1A46B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000019cc9-5.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
4480	GszsACyizVbcDZz.exe
1652	CTS.exe
1392	GszsACyizVbcDZz.exe
3832	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"	2026-08-17_981a787c8b3bbd787677ea70bb03330b_bkransomware_elex_maze_rhadamanthys.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	CTS.exe
File created	C:\Windows\CTS.exe	2026-08-17_981a787c8b3bbd787677ea70bb03330b_bkransomware_elex_maze_rhadamanthys.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	2026-08-17_981a787c8b3bbd787677ea70bb03330b_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	GszsACyizVbcDZz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GszsACyizVbcDZz.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5856	2026-08-17_981a787c8b3bbd787677ea70bb03330b_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1652	CTS.exe
Token: SeDebugPrivilege	3832	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5856 wrote to memory of 4480	5856	2026-08-17_981a787c8b3bbd787677ea70bb03330b_bkransomware_elex_maze_rhadamanthys.exe	88
PID 5856 wrote to memory of 1652	5856	2026-08-17_981a787c8b3bbd787677ea70bb03330b_bkransomware_elex_maze_rhadamanthys.exe	89
PID 4480 wrote to memory of 1392	4480	GszsACyizVbcDZz.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-17_981a787c8b3bbd787677ea70bb03330b_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_981a787c8b3bbd787677ea70bb03330b_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:5856
- C:\Users\Admin\AppData\Local\Temp\GszsACyizVbcDZz.exe
  C:\Users\Admin\AppData\Local\Temp\GszsACyizVbcDZz.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4480
- - C:\Users\Admin\AppData\Local\Temp\GszsACyizVbcDZz.exe
    C:\Users\Admin\AppData\Local\Temp\GszsACyizVbcDZz.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=0x2b8,0x2b0,0x2bc,0x2b4,0x2c0,0xc682fc,0xc6830c,0xc6831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1392
- 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:1652

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:3832

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 37ee2c69df2e9f518330d4bea47bbc77bc1abfb4c8ea4aab00c8aa4847f021e6
MD5 cdc3e90d7dc73fa70ed243d9a2fbb529
SHA1 e0102f9aeb55cd179abec196e9e8f8683dd94c97
SHA512 9d831e4899618c41d9e398254abde42711b38ef2201395af2544c23a707582dd511358bdb802643254467a8834b767a19c13ab4321db6d9feb1e87ac9a1ec2ba
SSDEEP 12288:hS0N5POThfnD8kE7GYjLLNQLvstqXfLM2JovKPJJARRm:DN5YhPIk4fNQrZJSiB8m
TLSH
T19AC41207B2E5C031E1B349B818B5CA251A2F7DFB4EE48E575788314E49229C29E3D37B
MD5 SHA1 SHA512 SSDEEP TLSH

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GszsACyizVbcDZz.exe

Path C:\Users\Admin\AppData\Local\Temp\GszsACyizVbcDZz.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 e55ea7426cb4be9ad64a5ea9d0223a8f6eb3fe1d95bbf22fc988f16875685a7a
MD5 fc9d6fc13a63704329a827f784acde68
SHA1 60a0f5108e7eff375aba1f15e2c79ffda756115b
SHA512 e896a73fbaa48217b87af820fea6def79f66e2e698a38558c98f0a1f84e8772fb663cb59071cf167aab9a408ca35de895b56f48c57023402c58d49606c9cc466
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