Overview

overview

10

Static

static

57efeee8a4...96.exe

windows7_x64

10

57efeee8a4...96.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    57efeee8a462cb7aad1342613a7afb96

  • Size

    262KB

  • Sample

    220606-nnad4acbaj

  • MD5

    57efeee8a462cb7aad1342613a7afb96

  • SHA1

    3fafa99c551edd87e9faadefc600f324c8203542

  • SHA256

    1d8b78fcbb6f3e68c24f759b86c7cea38f5b5642a9d2c556cc9c35a7ee24b8d4

  • SHA512

    1cfb3ef43304a6bd4368eb875e7a50ed88b0cd60ad477a95197f9be7bfe32930c1e1d3cd15a8e7793c6c594727e521c4d96d4fd1097733410400a8f100c4daf1

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      57efeee8a462cb7aad1342613a7afb96

    • Size

      262KB

    • MD5

      57efeee8a462cb7aad1342613a7afb96

    • SHA1

      3fafa99c551edd87e9faadefc600f324c8203542

    • SHA256

      1d8b78fcbb6f3e68c24f759b86c7cea38f5b5642a9d2c556cc9c35a7ee24b8d4

    • SHA512

      1cfb3ef43304a6bd4368eb875e7a50ed88b0cd60ad477a95197f9be7bfe32930c1e1d3cd15a8e7793c6c594727e521c4d96d4fd1097733410400a8f100c4daf1

    Score
    10/10
    tofseexmrigevasionminerpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner Payload

      miner

    • Creates new service(s)

      persistence

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks