bb6adc039780d2b847f5cd25b0e66c7d3fca8cf826bb599eb42d34c396f68071

General

Target
2026-09-05_53f8710852919d08320059aaf4e830fe_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260907-2db2tswhmf
SHA256 bb6adc039780d2b847f5cd25b0e66c7d3fca8cf826bb599eb42d34c396f68071
MD5 53f8710852919d08320059aaf4e830fe
SHA1 221c0ed91919f948d30249efc19343d6d76d60f8
SHA512 f22a134cbe2aacb521b8f27ef0832544f65fd83426a4404dd7eb09de170c8a3730d84c4c410f7b78afe11608f6ccf7fab13026b1afd14183d61041edb1768486
SSDEEP 98304:DZ6eXtTQE/Z5ePqijbFK6vbtlTUesO6i9l7:EIGI8PJjwubTjl7
TLSH
T110F5330772F8D638EEF34C709562D8834BAF3BD95A604DA34EEB206D15D50A85F69383
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001b1e8-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
1468	I6xnlFQs1IRs7O5.exe
1396	CTS.exe
1768	I6xnlFQs1IRs7O5.exe
1032	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"	2026-09-05_53f8710852919d08320059aaf4e830fe_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	CTS.exe
File created	C:\Windows\CTS.exe	2026-09-05_53f8710852919d08320059aaf4e830fe_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	I6xnlFQs1IRs7O5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-05_53f8710852919d08320059aaf4e830fe_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	I6xnlFQs1IRs7O5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4260	2026-09-05_53f8710852919d08320059aaf4e830fe_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1396	CTS.exe
Token: SeDebugPrivilege	1032	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 1468	4260	2026-09-05_53f8710852919d08320059aaf4e830fe_bkransomware_elex_maze_rhadamanthys.exe	89
PID 4260 wrote to memory of 1396	4260	2026-09-05_53f8710852919d08320059aaf4e830fe_bkransomware_elex_maze_rhadamanthys.exe	90
PID 1468 wrote to memory of 1768	1468	I6xnlFQs1IRs7O5.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-09-05_53f8710852919d08320059aaf4e830fe_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-05_53f8710852919d08320059aaf4e830fe_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:4260
- C:\Users\Admin\AppData\Local\Temp\I6xnlFQs1IRs7O5.exe
  C:\Users\Admin\AppData\Local\Temp\I6xnlFQs1IRs7O5.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1468
- - C:\Users\Admin\AppData\Local\Temp\I6xnlFQs1IRs7O5.exe
    C:\Users\Admin\AppData\Local\Temp\I6xnlFQs1IRs7O5.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=0x2b0,0x2b8,0x2bc,0x218,0x2c0,0xf682fc,0xf6830c,0xf6831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1768
- 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:1396

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:1032

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 b555a3189ef3e2ef9bcbf08ec0b74f84986508cd0eaa0b60c0ecb191e61c9b8c
MD5 a7f5b406b541f180d1c106e4341f0fa9
SHA1 27e843225d055473cce227dfbca2cc5247679980
SHA512 5767cd35a898c119065fe45719b7a1808a52bb8dd10ac2ce6fc33e596d685f8f2606a75f94dcc0bdee6c4e8e443aba903ac2e93ca686b133a3adef55f8a15067
SSDEEP 12288:hS0148gtntxbr3M980yKk8z1+F7Fwnoipf4Udql8Rakm9gPatE:Dkttxbr3h0Tk8z1+RFwo9UdDUDmaK
TLSH
T128C4120379D3E030E8364E3605A8984556BFBD661FB2CD9777C0258E48B62D04E76EBB
MD5 SHA1 SHA512 SSDEEP TLSH

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I6xnlFQs1IRs7O5.exe

Path C:\Users\Admin\AppData\Local\Temp\I6xnlFQs1IRs7O5.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 090b61d65f14c47122458b67829f4d939793fc93dc9b46126d719b38956808ba
MD5 3099209d6570861d38f9a1dd92f14f4b
SHA1 de5dae4c97c1148bc14997ac9615b68967f2e62a
SHA512 aa1ccf896ba5018a5e33b3a057a7a153bd7c7204afb88e7920530aee99cb06fdb03c62b7426c9d537fd085c796aacc53f52d2eb2400ea086ad24ef11a27fed62
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