Overview

overview

10

Static

static

1

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    299KB

  • Sample

    230207-cez3lscb5s

  • MD5

    04a4fa24bcb580aaa580052197e69c2e

  • SHA1

    9810676d6ec3a5ac4e4e89eee9dda78f4cb92345

  • SHA256

    543e37e50d79fd6ea207873f7fbef74be63556d437d8aa7ad19ab8216f805793

  • SHA512

    9f20f42dfded9a292bc5a7225f444082f51aa2de9ab8c18cfe8112ddfd3bf541a29541429530588d691ca4364ab3165306c34a589b5cd93b58a59c1d976e21ae

  • SSDEEP

    6144:iTI08LeS30u0iHpKibRwAVwJDuQj9dkfaL:isNawHpdbfwDljjw

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      file.exe

    • Size

      299KB

    • MD5

      04a4fa24bcb580aaa580052197e69c2e

    • SHA1

      9810676d6ec3a5ac4e4e89eee9dda78f4cb92345

    • SHA256

      543e37e50d79fd6ea207873f7fbef74be63556d437d8aa7ad19ab8216f805793

    • SHA512

      9f20f42dfded9a292bc5a7225f444082f51aa2de9ab8c18cfe8112ddfd3bf541a29541429530588d691ca4364ab3165306c34a589b5cd93b58a59c1d976e21ae

    • SSDEEP

      6144:iTI08LeS30u0iHpKibRwAVwJDuQj9dkfaL:isNawHpdbfwDljjw

    Score
    10/10
    tofseeevasionpersistencetrojanxmrigminer

    • 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

    • 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

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks