d3086c683094f184832a908d03d5aeab2f310df5d525338ff50ca5c390f1d094

General

Target
2026-07-20_a5856e7c114d0050cc2fe8b87db0fad3_bkransomware_elex_maze_rhadamanthys.exe
Size 170KB
Sample260720-jf7bmsas8p
SHA256 d3086c683094f184832a908d03d5aeab2f310df5d525338ff50ca5c390f1d094
MD5 a5856e7c114d0050cc2fe8b87db0fad3
SHA1 73d9a7b1f5dd9cceb56841db19a41c7922763444
SHA512 f11c76816a79b55393cad7376dbe6ce02457e75e3e472361552d28b12c3952ff2bcdd394836f927fef67817581e2606f7d9ca07d661903fd26e31143fbd2d251
SSDEEP 3072:ZRpAyazIliazTl/41FC3RpXPjwPwc/V496ZVN6mcdvQymNC0L:xZ8az5/41FAPMwA49FKtRL
TLSH
T1AF04D003BBE6C030E0B20A7245A98D56472FBD764EB18D477388658D1DB62C18E7DBB7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3696	Nl7CKizm6B5S8Zg.exe
5076	CTS.exe
4988	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"	2026-07-20_a5856e7c114d0050cc2fe8b87db0fad3_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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-07-20_a5856e7c114d0050cc2fe8b87db0fad3_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 2 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	2026-07-20_a5856e7c114d0050cc2fe8b87db0fad3_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4148	2026-07-20_a5856e7c114d0050cc2fe8b87db0fad3_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5076	CTS.exe
Token: SeDebugPrivilege	4988	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 3696	4148	2026-07-20_a5856e7c114d0050cc2fe8b87db0fad3_bkransomware_elex_maze_rhadamanthys.exe	89
PID 4148 wrote to memory of 5076	4148	2026-07-20_a5856e7c114d0050cc2fe8b87db0fad3_bkransomware_elex_maze_rhadamanthys.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-20_a5856e7c114d0050cc2fe8b87db0fad3_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_a5856e7c114d0050cc2fe8b87db0fad3_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:4148
- C:\Users\Admin\AppData\Local\Temp\Nl7CKizm6B5S8Zg.exe
  C:\Users\Admin\AppData\Local\Temp\Nl7CKizm6B5S8Zg.exe
  2⤵
  - Executes dropped EXE
  PID:3696
- 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:5076

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:4988

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

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 aba9ddcd4fe29efedba562984a2f9d58865cb921fcb7028b91a573f761348c60
MD5 bc086869c61ff3958639ca99c3ad9eac
SHA1 bcb78000b51564a2850543bbc05176b5ad4abf08
SHA512 ba9b43d011db1091c06b2254f90571ddc169a5d31130bd36005d6705e46550b93930c8bd6fe63f1a08241742e091b1c4daa05013cdb72b344c3f7ae38a35b90c
SSDEEP 12288:xC0Q3BfhAYc3qZx6AYwZ/C1mCovKiJRGxYx1oF:DQx5rnCcfvKiLJYF
TLSH
T132C4122377C3C560E1635A354AE5EA764A1FBE760FB689672B1851CD04B12C6CF38B23
MD5 SHA1 SHA512 SSDEEP TLSH

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Nl7CKizm6B5S8Zg.exe

Path C:\Users\Admin\AppData\Local\Temp\Nl7CKizm6B5S8Zg.exe
Size 170KB
SHA256 aa1ed3c68006ab00af68edb0056fcdc79cd29bd69961cb4ee85985b662ccf2d2
MD5 0767bac9cd8040f5f13b2578058de459
SHA1 34f03e82babcf8d154ca01c07b186973c73859cd
SHA512 f228a6de3cab5981b3d4c3bb18ef359a76670b003cd86c4af8c38c4ee832144901e796de442e97a59f144f5fcd14663036675c3e211d6a6318b5ce87876e8351
SSDEEP 3072:ZRpAyazIliazTz2t5KelKJB5X75QA88kk8IjMdRL+MYGm:xZ8azf2DK5Jj7Sl8kBt9+vt
TLSH
T1EB04E00376D6C170E4A30A3649A59E6546AFBDBA4FB1CD5B3380228D05752C04E79BBB
MD5 SHA1 SHA512 SSDEEP TLSH

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Nl7CKizm6B5S8Zg.exe

Path C:\Users\Admin\AppData\Local\Temp\Nl7CKizm6B5S8Zg.exe
Size 99KB
SHA256 7407fac6e170430f34322202b73aa392431b5c2c49e15304fb255bb24c540366
MD5 af88cab288e8213a11a7ea5313363d31
SHA1 cb769e3246d5244a0040621e919f7c519ba49986
SHA512 a4e353fcb78579345d4c5bc1f48970b473e0499dfe5bc6abeffb669295fa2940ce8637045a11f881fe88dd9b97d380ae9a8eed1b94fbd47181e0b4eb427e9679
SSDEEP 1536:BceAhIxHHWMpdPa5wiE21M8kJIGFvb1CwD/D+s17SyxO:BceASwMpdCq/IM8uIGf5/D+s1LO
TLSH
T125A3F641E66DBCDDE518C0315975E1F25E24FC317680A21EA7F3BF0629712A3F90A93A
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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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads