Overview

overview

10

Static

static

3

2025-04-24...lc.exe

windows10-2004-x64

10

2025-04-24...lc.exe

windows11-21h2-x64

10

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General

  • Target

    2025-04-24_ccd0c37eaaef93b4b9d1fe2cef6573e9_elex_rhadamanthys_smoke-loader_stealc

  • Size

    14.2MB

  • Sample

    250424-vbmbfsskw6

  • MD5

    ccd0c37eaaef93b4b9d1fe2cef6573e9

  • SHA1

    f85552398b9759b5d8b89984c00ef3aa864a1b07

  • SHA256

    d7e12201e6daddf62c3f49b2b0b5b052f6fc6eefcc9c608e521f83d9b6b19be8

  • SHA512

    105c5993ae945a76c46980dce37c377b6f2b73c78254191bff7751174b8a6cbec54fb572c731f7a322346cf63ecbed5b862c789de77c83955a89f2de04933253

  • SSDEEP

    49152:vSni2SzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzB:ANM

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      2025-04-24_ccd0c37eaaef93b4b9d1fe2cef6573e9_elex_rhadamanthys_smoke-loader_stealc

    • Size

      14.2MB

    • MD5

      ccd0c37eaaef93b4b9d1fe2cef6573e9

    • SHA1

      f85552398b9759b5d8b89984c00ef3aa864a1b07

    • SHA256

      d7e12201e6daddf62c3f49b2b0b5b052f6fc6eefcc9c608e521f83d9b6b19be8

    • SHA512

      105c5993ae945a76c46980dce37c377b6f2b73c78254191bff7751174b8a6cbec54fb572c731f7a322346cf63ecbed5b862c789de77c83955a89f2de04933253

    • SSDEEP

      49152:vSni2SzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzWzB:ANM

    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