Overview

overview

10

Static

static

3

2025-04-24...lc.exe

windows10-2004-x64

10

2025-04-24...lc.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    2025-04-24_d0d3f9f7435518811c3482560d9c8bcf_amadey_elex_karagany_rhadamanthys_smoke-loader_stealc

  • Size

    10.5MB

  • Sample

    250424-vb7bmasky4

  • MD5

    d0d3f9f7435518811c3482560d9c8bcf

  • SHA1

    dd6999aeccfdfc9169b852d73ba7a6c2119c0f39

  • SHA256

    535c743f49a419c63d37515b00126d1f21ea953b19d5fa76cc111f6c9b48d692

  • SHA512

    e328b04215317879a914cb5b405a8205c77edc69a7ba207b25ae51c140f309a870363280866cbbb6580bf0c419407da97c350773faa2df59192ff5b38262486f

  • SSDEEP

    3072:Ldh4rj43qHj/zjgRYR6lVatBLufQxMmYq7sxkgaBCh:T4rj46/zjgRI2atBLTMYQiga

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

niflheimr.cn

jotunheim.name

Targets

    • Target

      2025-04-24_d0d3f9f7435518811c3482560d9c8bcf_amadey_elex_karagany_rhadamanthys_smoke-loader_stealc

    • Size

      10.5MB

    • MD5

      d0d3f9f7435518811c3482560d9c8bcf

    • SHA1

      dd6999aeccfdfc9169b852d73ba7a6c2119c0f39

    • SHA256

      535c743f49a419c63d37515b00126d1f21ea953b19d5fa76cc111f6c9b48d692

    • SHA512

      e328b04215317879a914cb5b405a8205c77edc69a7ba207b25ae51c140f309a870363280866cbbb6580bf0c419407da97c350773faa2df59192ff5b38262486f

    • SSDEEP

      3072:Ldh4rj43qHj/zjgRYR6lVatBLufQxMmYq7sxkgaBCh:T4rj46/zjgRI2atBLTMYQiga

    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

    • 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