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_14436105f1fef98fc015162890af0930_amadey_elex_rhadamanthys_smoke-loader

  • Size

    11.6MB

  • Sample

    250424-tqbmtswzct

  • MD5

    14436105f1fef98fc015162890af0930

  • SHA1

    f683a601155bfcb660ee2e28836bc18cd78114f1

  • SHA256

    fda2cbf8550950c1b1a14971ced269b2ac64ce7211367e2f93eb2b4fb67ff72c

  • SHA512

    08f2a66ccb42a3cf3d44c2d316da3d46fd839e6c31264ae0477c69879601b4cb8304d252a16cb8fe42f267bb4c40e619a5edd7ac1c1af0a9f76f9e31cd20df16

  • SSDEEP

    12288:lef9tiUIxYjvVzL10J7nnXVJAj1666666666666666666666666666666666666A:leriUGiP0J7nL

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      2025-04-24_14436105f1fef98fc015162890af0930_amadey_elex_rhadamanthys_smoke-loader

    • Size

      11.6MB

    • MD5

      14436105f1fef98fc015162890af0930

    • SHA1

      f683a601155bfcb660ee2e28836bc18cd78114f1

    • SHA256

      fda2cbf8550950c1b1a14971ced269b2ac64ce7211367e2f93eb2b4fb67ff72c

    • SHA512

      08f2a66ccb42a3cf3d44c2d316da3d46fd839e6c31264ae0477c69879601b4cb8304d252a16cb8fe42f267bb4c40e619a5edd7ac1c1af0a9f76f9e31cd20df16

    • SSDEEP

      12288:lef9tiUIxYjvVzL10J7nnXVJAj1666666666666666666666666666666666666A:leriUGiP0J7nL

    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