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

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General

  • Target

    2025-04-24_4d4366c17ec9b6d8410622cd579ca959_amadey_elex_rhadamanthys_smoke-loader

  • Size

    10.7MB

  • Sample

    250424-tza3naxsdv

  • MD5

    4d4366c17ec9b6d8410622cd579ca959

  • SHA1

    9c1e4a510686a0a4a9e228e7ba94d9b17444e41a

  • SHA256

    f8d80c78640f4e742d773f36d375e8f1830cfbd81414702ef4b8adc717873bca

  • SHA512

    154fe51eb7701777072c76cb395da2c701258a71087c1caba4e5fb38286aec330b468099fa808177768dedcd69f1e9cdd6bb7369c840a3db41057759deff0e29

  • SSDEEP

    196608:yIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIC:yIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIC

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      2025-04-24_4d4366c17ec9b6d8410622cd579ca959_amadey_elex_rhadamanthys_smoke-loader

    • Size

      10.7MB

    • MD5

      4d4366c17ec9b6d8410622cd579ca959

    • SHA1

      9c1e4a510686a0a4a9e228e7ba94d9b17444e41a

    • SHA256

      f8d80c78640f4e742d773f36d375e8f1830cfbd81414702ef4b8adc717873bca

    • SHA512

      154fe51eb7701777072c76cb395da2c701258a71087c1caba4e5fb38286aec330b468099fa808177768dedcd69f1e9cdd6bb7369c840a3db41057759deff0e29

    • SSDEEP

      196608:yIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIC:yIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIC

    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