b46e2db29c08eb7b2d9f6725970226989b00a748ed4479f456c1b358987728b0

General

Target
2026-06-30_b1e8c002351b4e3b05e78c191b96a777_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260701-ds91eadt9k
SHA256 b46e2db29c08eb7b2d9f6725970226989b00a748ed4479f456c1b358987728b0
MD5 b1e8c002351b4e3b05e78c191b96a777
SHA1 b39ef2d1b8e5fff21c7df09bc2436bea062b0d71
SHA512 1857e0e58aef3355b470339e9000e51b353c429d665a462d0f6a275a10701b7155d1106e412f28e72a204984f13c86a1d11bde85d2010ffe2d41d84e88ff92e7
SSDEEP 98304:D3nkB2IWECd31vtq9a1CJDM8BnIMpxbDeuxSSLbn1:7k0FF1qU1CJ/aMjDd/bn1
TLSH
T127F53386A2C8D432E8B912B35D755CBD096B693B3F24CF1B2654D00F9B70DC25F29A1B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b84b-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
4428	Wj6A3VbC4Cllebs.exe
5324	CTS.exe
5464	Wj6A3VbC4Cllebs.exe
6032	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"	2026-06-30_b1e8c002351b4e3b05e78c191b96a777_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	2026-06-30_b1e8c002351b4e3b05e78c191b96a777_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	Wj6A3VbC4Cllebs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-30_b1e8c002351b4e3b05e78c191b96a777_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wj6A3VbC4Cllebs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3368	2026-06-30_b1e8c002351b4e3b05e78c191b96a777_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5324	CTS.exe
Token: SeDebugPrivilege	6032	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 4428	3368	2026-06-30_b1e8c002351b4e3b05e78c191b96a777_bkransomware_elex_maze_rhadamanthys.exe	90
PID 3368 wrote to memory of 5324	3368	2026-06-30_b1e8c002351b4e3b05e78c191b96a777_bkransomware_elex_maze_rhadamanthys.exe	91
PID 4428 wrote to memory of 5464	4428	Wj6A3VbC4Cllebs.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-06-30_b1e8c002351b4e3b05e78c191b96a777_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-30_b1e8c002351b4e3b05e78c191b96a777_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:3368
- C:\Users\Admin\AppData\Local\Temp\Wj6A3VbC4Cllebs.exe
  C:\Users\Admin\AppData\Local\Temp\Wj6A3VbC4Cllebs.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4428
- - C:\Users\Admin\AppData\Local\Temp\Wj6A3VbC4Cllebs.exe
    C:\Users\Admin\AppData\Local\Temp\Wj6A3VbC4Cllebs.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=0x2bc,0x2c0,0x2c4,0x2b4,0x2c8,0xd382fc,0xd3830c,0xd3831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5464
- 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:5324

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:6032

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 2c7d2d9c2a78ea5e41aebf2dd36106f66216e837a0e2d746c0f71ce18bb1dbc3
MD5 f9536ecb9d744411a70eeb3d2a70ff97
SHA1 5563c18eb08bcc3c7bb8c64c2dec12cebc8dfac7
SHA512 ed3e0a8af24f0d19f926e63c27b59b8963d46d8f348655e071a2d746ce6b915ab154b57e9d5a399aca582b8517305bc89bc0cae93b09f317aadc0cec3f9ef309
SSDEEP 12288:xC0zHFSu2Xz1ZMhlJ7PehFdgp0H7MhPjzCUbKts1GheNhmNrkvmbe4r:Drcu2Xnmvje/dAO7sySKt/oNhIxr
TLSH
T14CC42303BAD99232E6B745718565C7601B7FBAA10EB44C8723E834DE59312C0DE277AF
MD5 SHA1 SHA512 SSDEEP TLSH

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Wj6A3VbC4Cllebs.exe

Path C:\Users\Admin\AppData\Local\Temp\Wj6A3VbC4Cllebs.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 3344d903591275258d874e2d901101fee450208fc605689a7c4968a3d3204001
MD5 9d2132efabbb0ec3447c892033a1b653
SHA1 ab90ed6aabbcd3f17097012548a058a4159490bc
SHA512 1b90865fdde2580218cb0105e5c5d50f69ad2a1aa7f83f94937cc6ee3fab59879de1bf1ec85390ca1aaeeab4beaad3c74fb96f4e9698154e1c6acc1b9b7e6b1c
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