Overview

overview

10

Static

static

3

2025-04-24...er.exe

windows10-2004-x64

10

2025-04-24...er.exe

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2025-04-24_869bc1453632f67fe740bac3e39d92df_amadey_elex_rhadamanthys_smoke-loader

  • Size

    13.9MB

  • Sample

    250424-vczyyasls8

  • MD5

    869bc1453632f67fe740bac3e39d92df

  • SHA1

    0d5125175a0a9f57113a2f35d81e449ffbe13827

  • SHA256

    8bcd9a03e2dac7d5a6d54a003df37ed9313298c3f7ad6f005e8912e771d0a404

  • SHA512

    abc302881e8f72f2d3f4d83e502240400dacd23480b943daeade9ee4e9f1ff78ed4eddc591f463024aa1d017e42fa479f7b5df8890c5f7b68e7782c32040a8bd

  • SSDEEP

    12288:Gef9tiUIxYjvVzL10J7nnXVJAj1666666666666666666666666666666666666H:GeriUGiP0J7n

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      2025-04-24_869bc1453632f67fe740bac3e39d92df_amadey_elex_rhadamanthys_smoke-loader

    • Size

      13.9MB

    • MD5

      869bc1453632f67fe740bac3e39d92df

    • SHA1

      0d5125175a0a9f57113a2f35d81e449ffbe13827

    • SHA256

      8bcd9a03e2dac7d5a6d54a003df37ed9313298c3f7ad6f005e8912e771d0a404

    • SHA512

      abc302881e8f72f2d3f4d83e502240400dacd23480b943daeade9ee4e9f1ff78ed4eddc591f463024aa1d017e42fa479f7b5df8890c5f7b68e7782c32040a8bd

    • SSDEEP

      12288:Gef9tiUIxYjvVzL10J7nnXVJAj1666666666666666666666666666666666666H:GeriUGiP0J7n

    Score
    10/10
    tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Tofsee family

      tofsee

    • Creates new service(s)

      persistenceexecution

    • Modifies Windows Firewall

      defense_evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks