228148bbc600ed17805e997255dbeb8e1e904111d5eb29a498391b59c18d4f4a

General

Target
2026-09-30_c842defcb81f971d0f3c78b0fccaac06_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260930-jry5eaac33
SHA256 228148bbc600ed17805e997255dbeb8e1e904111d5eb29a498391b59c18d4f4a
MD5 c842defcb81f971d0f3c78b0fccaac06
SHA1 3e078bc2ebfb22397187e3723f6c537857fe11b5
SHA512 27f92ef7bd479a1f8f7228e46dcb8fba17efcea38ee2b5cdfc7dac6d33c39297fb45f3f69f0817182384dc4ff0d64ce1145592ef94ac180b652865d5e56a4b6e
SSDEEP 98304:DtGB1GBEnJyzncT1vJGovvGt+XVxVZOA8:wnJEOdJG8Ew3VZg
TLSH
T175F533372BC981B8F2074BBC80EE5465DB6B7BA631A55F4B5684572C8E9C3C42E14B33
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000b00000001b2c5-5.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
5796	mJpmXifwMvyQDVt.exe
6000	CTS.exe
4624	mJpmXifwMvyQDVt.exe
620	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"	2026-09-30_c842defcb81f971d0f3c78b0fccaac06_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	2026-09-30_c842defcb81f971d0f3c78b0fccaac06_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	mJpmXifwMvyQDVt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mJpmXifwMvyQDVt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-30_c842defcb81f971d0f3c78b0fccaac06_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	2026-09-30_c842defcb81f971d0f3c78b0fccaac06_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	6000	CTS.exe
Token: SeDebugPrivilege	620	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 5796	2176	2026-09-30_c842defcb81f971d0f3c78b0fccaac06_bkransomware_elex_maze_rhadamanthys.exe	89
PID 2176 wrote to memory of 6000	2176	2026-09-30_c842defcb81f971d0f3c78b0fccaac06_bkransomware_elex_maze_rhadamanthys.exe	90
PID 5796 wrote to memory of 4624	5796	mJpmXifwMvyQDVt.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-09-30_c842defcb81f971d0f3c78b0fccaac06_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-30_c842defcb81f971d0f3c78b0fccaac06_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:2176
- C:\Users\Admin\AppData\Local\Temp\mJpmXifwMvyQDVt.exe
  C:\Users\Admin\AppData\Local\Temp\mJpmXifwMvyQDVt.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5796
- - C:\Users\Admin\AppData\Local\Temp\mJpmXifwMvyQDVt.exe
    C:\Users\Admin\AppData\Local\Temp\mJpmXifwMvyQDVt.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=0x2c4,0x2c0,0x2c8,0x2bc,0x2cc,0x12082fc,0x120830c,0x120831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4624
- 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:6000

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:620

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.db

Path C:\Users\Admin\AppData\Local\Microsoft\Office\OTele\excel.exe.db
Size 95KB
SHA256 f85a80c4487b511b61c5acd40a42d0a62c1e16ea155d07a8caea50bcd67ed784
MD5 77750f2b88cf062b7666976329925c81
SHA1 b132e2559b5d8f35c81f83d956aad95160053379
SHA512 29beb3c8cb873d26e7b28a9e9f7b3e88a3f13cb54a0fe33dcff1e1f3e3b4c1e32cf4be5576792f57320e7118a3ce74b8e633b1a30216d0c9bfba9fe63be626cc
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTrvkJdPTH8m8FTGw:ZhpAyazIlyazTIjPTH8bn
TLSH
T128939E03B6D6C170E0770A3649B4CE6007AFBE764FB18E5B3784218E49B56C19E39B67
MD5 SHA1 SHA512 SSDEEP TLSH

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mJpmXifwMvyQDVt.exe

Path C:\Users\Admin\AppData\Local\Temp\mJpmXifwMvyQDVt.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 a4b4460ceda32f611094defa00c1eed267ff6d30689a9393dfc97d13b24f43cf
MD5 6cd999cdc424da6dea15027b49c1cf7a
SHA1 b3698a32a51199a928e6ea6249033eeb80c08089
SHA512 82b9f8bab607edf32906b9d486f65c203364622281245cac776863cc5ee642f3ae511c63276eba5a25fc9094063b9c4448dbeec320890e2db256afae937fae50
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