Overview

overview

10

Static

static

3

2025-04-04...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-04-04_8a6abae8b7101356c33cd26cf52f53d3_rhadamanthys_smoke-loader

  • Size

    13.7MB

  • Sample

    250404-ckp5lax1as

  • MD5

    8a6abae8b7101356c33cd26cf52f53d3

  • SHA1

    04d3310363519c5ff0b46459a2e4ab947ea409b1

  • SHA256

    f5b0ca5061b16cf25f6def7144b20ba6ab3cff9bdc18ab847c6371ee6d115b55

  • SHA512

    b161b8275a33e2fca851e13d0e2aa93b31523d71c0d57ede87337bab04a682ef638a9132a748b87a1b2d389e1ac6f848962dbf59f204c26faaa70aecdb827176

  • SSDEEP

    6144:gOFZnjC+veRxHUa6E8PcGQ1GNTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTj:pfnjH6m99ZaG

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      2025-04-04_8a6abae8b7101356c33cd26cf52f53d3_rhadamanthys_smoke-loader

    • Size

      13.7MB

    • MD5

      8a6abae8b7101356c33cd26cf52f53d3

    • SHA1

      04d3310363519c5ff0b46459a2e4ab947ea409b1

    • SHA256

      f5b0ca5061b16cf25f6def7144b20ba6ab3cff9bdc18ab847c6371ee6d115b55

    • SHA512

      b161b8275a33e2fca851e13d0e2aa93b31523d71c0d57ede87337bab04a682ef638a9132a748b87a1b2d389e1ac6f848962dbf59f204c26faaa70aecdb827176

    • SSDEEP

      6144:gOFZnjC+veRxHUa6E8PcGQ1GNTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTj:pfnjH6m99ZaG

    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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

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