f741f367fbaeebca8967ed8365e9e05e34daf07b84906d6352fc1315a9e45e66

General

Target
2026-07-29_59ef3e49e6f26dcb344187402a0ffe55_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260729-taflvaah74
SHA256 f741f367fbaeebca8967ed8365e9e05e34daf07b84906d6352fc1315a9e45e66
MD5 59ef3e49e6f26dcb344187402a0ffe55
SHA1 eb43836d844cad13f5481907e2cab15578e88ff0
SHA512 1a65b14b7eed413f7fef93839a9eff31dcb073121f06b4d1cf73898cff6c7607cf2a552c3181279e36bc2ab63de1dfe38fd3bccd1d7af0255c3f2f955497572b
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTB4OBvMX2pcHkJB5sJXA3a:ZRpAyazIliazTzpc8sJXn
TLSH
T172939D03B6D2C170E4B7063249B9CE6006BFBEB65EB18E577784218E49752C14E3EB67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2328	CTS.exe
1948	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"	CTS.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"	2026-07-29_59ef3e49e6f26dcb344187402a0ffe55_bkransomware_elex_maze_rhadamanthys.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-07-29_59ef3e49e6f26dcb344187402a0ffe55_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	2026-07-29_59ef3e49e6f26dcb344187402a0ffe55_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	5732	2026-07-29_59ef3e49e6f26dcb344187402a0ffe55_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	2328	CTS.exe
Token: SeDebugPrivilege	1948	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5732 wrote to memory of 2328	5732	2026-07-29_59ef3e49e6f26dcb344187402a0ffe55_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-29_59ef3e49e6f26dcb344187402a0ffe55_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-29_59ef3e49e6f26dcb344187402a0ffe55_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:5732
- 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:2328

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:1948

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 d90ddee28bae37a0d3dc0bb5255115fb937f9bbdcc3e1c53f043737b6101a886
MD5 bc971cd506fabb78ea50aa94e3825ee6
SHA1 57412b43992be8aae41012df3df8ab210d51200c
SHA512 e7075db515cefe2e9492adf8140997b4469be85d6573383b7aa069428f08c58f6262415f9e13c3d78e06044153a221ac72e8659667b643ca4af4b7efff679d42
SSDEEP 12288:xC0gg1NOezMMJpI3qGGB+2ufM9Dkn661w6W3cJ1SoCcN9ynH6:Dgg13RPFY2R98J177IH6
TLSH
T1B5C41207B1C8C232F4630B72506FD62603AFB9768AB11D93779866DD59A96C0CE3CB53
MD5 SHA1 SHA512 SSDEEP TLSH

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GZoUjuN70MtLcR6.exe

Path C:\Users\Admin\AppData\Local\Temp\GZoUjuN70MtLcR6.exe
Size 95KB
SHA256 375d7258f5022ac24b876264ec3aa78c00780fbe7506a03fb11abb6b1f508322
MD5 050fd62406796871edbabbc7c582dbae
SHA1 cd78b25dfdbcfbca8ecc61483e073ac68df5dd1b
SHA512 b26d461cf27b5405bda9177a8dd8de0f9687e853719b7d75bdceaf88f2b18b69247082bbdccd96015a8833c6ad6c1e3d4257dd10508f9997f87b60d5f462db88
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTMFZNAXgq2qYiNK+o5Ujemj:ZRpAyazIliazTMdagq+i2mj
TLSH
T17393AD0376D2C170F4B30A7209B8CE5106AFBE765EB18D9737C0259E46752C19E3ABA7
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