81e638f1b1dcb30c48b397d6cc6eea60d5c3557c90f93b03c0cefd81262034da

General

Target
2026-09-04_a56ed1b9792ea206bbc723cf214afacf_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260905-bn2r5abc38
SHA256 81e638f1b1dcb30c48b397d6cc6eea60d5c3557c90f93b03c0cefd81262034da
MD5 a56ed1b9792ea206bbc723cf214afacf
SHA1 12795aabe1cf16dabbe7139749f9d92be403be0e
SHA512 2b51b661a22361e99e5a55453f7b274bf307c82f57ce8694a80739f9e65fd40164404421d84ceb8a4c49389e66ba88bdbdac6c9420feec363b652bd148a28e5c
SSDEEP 98304:DYKhX2CglfWJoiERQo05PRb0Dt1WY3YChmjY9kM3Zdxi:kKhkgoNRQnpRb0pATCEjY9kMJdM
TLSH
T1B6F5330BA3DBA6A8D8F609B3E6F6FC26470A3861DB759D37334566D805205C41E2D3B3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b85f-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
4892	AmjAwSFNsabeLXO.exe
3804	CTS.exe
5048	AmjAwSFNsabeLXO.exe
4624	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"	2026-09-04_a56ed1b9792ea206bbc723cf214afacf_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	2026-09-04_a56ed1b9792ea206bbc723cf214afacf_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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AmjAwSFNsabeLXO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AmjAwSFNsabeLXO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-04_a56ed1b9792ea206bbc723cf214afacf_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3412	2026-09-04_a56ed1b9792ea206bbc723cf214afacf_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3804	CTS.exe
Token: SeDebugPrivilege	4624	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 4892	3412	2026-09-04_a56ed1b9792ea206bbc723cf214afacf_bkransomware_elex_maze_rhadamanthys.exe	89
PID 3412 wrote to memory of 3804	3412	2026-09-04_a56ed1b9792ea206bbc723cf214afacf_bkransomware_elex_maze_rhadamanthys.exe	90
PID 4892 wrote to memory of 5048	4892	AmjAwSFNsabeLXO.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-09-04_a56ed1b9792ea206bbc723cf214afacf_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-04_a56ed1b9792ea206bbc723cf214afacf_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:3412
- C:\Users\Admin\AppData\Local\Temp\AmjAwSFNsabeLXO.exe
  C:\Users\Admin\AppData\Local\Temp\AmjAwSFNsabeLXO.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4892
- - C:\Users\Admin\AppData\Local\Temp\AmjAwSFNsabeLXO.exe
    C:\Users\Admin\AppData\Local\Temp\AmjAwSFNsabeLXO.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,0x3882fc,0x38830c,0x38831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5048
- 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:3804

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:4624

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 337ec044fd2ecf8b312b97845adbeb53011ae0ff35b6420bea5d4fd34feb9df4
MD5 113ce92f31442b134ebe2ca68ef946c2
SHA1 03d46426aa6151a7277bb600a5aa8efde5edfeec
SHA512 1714c80b35a3ffaaaf9147d489acfbf44ee19bea886669aab43e99f18655e439cfb2027d199a87e3ddbf129bf5569c4655e85b67e9b33583b8ede8e585d33ab7
SSDEEP 12288:hS0/QTUDrE+hEMpK/AmwR5d9VbcfcQRlNzToBlM5+r:DMKrThzt5d9VbQcmlNHJcr
TLSH
T169C4121BB7D28471E5B24B310469CE1406AF7E355DB08E4BB34866CD22797A1CE38F6B
MD5 SHA1 SHA512 SSDEEP TLSH

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AmjAwSFNsabeLXO.exe

Path C:\Users\Admin\AppData\Local\Temp\AmjAwSFNsabeLXO.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 371f5dee694150ffa777e51ef295702763aff6d502156a7dcda36bf092dceeab
MD5 4ab40b50c80823abb4250ccd1c3b3425
SHA1 a20042c6d600b54a47cf2b1ebf22e60214c702ac
SHA512 10af5d8a8d557e9f515bacc55150a6b181c2f847852d1201ec7406c8d6fc7d5a04b5eef12ecc40bee47a9a0d8e992c292005c158dcc8cc020e333e86bce848ec
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