ebb192fc5e55eb78ea2965ca52e5669905845dd516a084c4c0e1ef8fb1e50334

General

Target
2026-09-10_eb32f53d40fc54210627648dc4c7fd0c_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260910-k7amestyay
SHA256 ebb192fc5e55eb78ea2965ca52e5669905845dd516a084c4c0e1ef8fb1e50334
MD5 eb32f53d40fc54210627648dc4c7fd0c
SHA1 bcc421f4f4a2375c41b8272e1752b86ace251ded
SHA512 bccbd56b62aa5cbb3fd6e2020142cbeffac17977904ad37e32499429d2cd02ecf4e4297b56de11721fcb1800e2bdf835d0758e191f4099a4563a466cbdaef5c3
SSDEEP 49152:DmTGNdEP2mwZ8frXPn0Mlm/ykMt/HyLq+dDZscmlsJa53ZGTjJCAngCQK3Djhb:DmTQxmj0Mlmi/aXduFlaa53UTwAnDTXt
TLSH
T1E6F53337AE81D6B9D93103B86DAC335083BEBD2966B0DC5BE7E5508D24D02A12C27777
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000024037-3.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
3668	T8yQIdUKROHslgi.exe
548	CTS.exe
2416	T8yQIdUKROHslgi.exe
2216	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"	2026-09-10_eb32f53d40fc54210627648dc4c7fd0c_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	2026-09-10_eb32f53d40fc54210627648dc4c7fd0c_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	2026-09-10_eb32f53d40fc54210627648dc4c7fd0c_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	T8yQIdUKROHslgi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	T8yQIdUKROHslgi.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	2026-09-10_eb32f53d40fc54210627648dc4c7fd0c_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	548	CTS.exe
Token: SeDebugPrivilege	2216	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 3668	3036	2026-09-10_eb32f53d40fc54210627648dc4c7fd0c_bkransomware_elex_maze_rhadamanthys.exe	87
PID 3036 wrote to memory of 548	3036	2026-09-10_eb32f53d40fc54210627648dc4c7fd0c_bkransomware_elex_maze_rhadamanthys.exe	88
PID 3668 wrote to memory of 2416	3668	T8yQIdUKROHslgi.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-10_eb32f53d40fc54210627648dc4c7fd0c_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-10_eb32f53d40fc54210627648dc4c7fd0c_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:3036
- C:\Users\Admin\AppData\Local\Temp\T8yQIdUKROHslgi.exe
  C:\Users\Admin\AppData\Local\Temp\T8yQIdUKROHslgi.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3668
- - C:\Users\Admin\AppData\Local\Temp\T8yQIdUKROHslgi.exe
    C:\Users\Admin\AppData\Local\Temp\T8yQIdUKROHslgi.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=0x284,0x288,0x280,0x28c,0x290,0x2f82fc,0x2f830c,0x2f831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2416
- 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:548

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:2216

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 93b3932f5abdabd6f58643700dfc1362a9e29fedbc3fde1d7af5ac1f9530562f
MD5 ff1ca056fa9df746b649f93253ab9672
SHA1 def8a35453e2cdd94c75011fbccdbbdbc57baa68
SHA512 033b0a565bffb2a877e372b9352a222bb82e1a1b96bcd44bae7a089d41f39d3289741334776ffb5bea7b7ecdcb2c5be966ab10301cfcafb0dbec298ff1f9fd4a
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTb3D:ZRpAyazIliazTjD
TLSH
T16A736B03B6D2C171E4B70A7249A9CE5107BFBE765EB18D5733C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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T8yQIdUKROHslgi.exe

Path C:\Users\Admin\AppData\Local\Temp\T8yQIdUKROHslgi.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 1d7ac04f4d240098248189639ad5a2184d9b2070a183498db164fa14c48d24f1
MD5 52a7ac5ecd3f2db174ed0198960836ac
SHA1 0cd62805608b5538bb40215bd3d0d9e557e7f7c5
SHA512 cea7e32c88928e808dff39102788a76320ba7c9636d6da1a0350ddb928b2917064c05dc04a097d20c2621b18716c8a5c3bf85673840c14a1a8ea1b987da01315
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