Overview

overview

10

Static

static

fa224d582c...dd.exe

windows7_x64

10

fa224d582c...dd.exe

windows10_x64

10

Sharing

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General

  • Target

    fa224d582cbc7477d5b17576baa7570483cad0be6ff5857d5ef79838ba3d5add

  • Size

    12.0MB

  • Sample

    211026-1jh7naada4

  • MD5

    769d690d845642d89e87b512cdd60338

  • SHA1

    ad65ac262fc358d9a10cc8089e23373b7f4aa3bb

  • SHA256

    fa224d582cbc7477d5b17576baa7570483cad0be6ff5857d5ef79838ba3d5add

  • SHA512

    79b7b168a5d1e9653fa1069ebb1209a14b4bc689f700e42da2a82487a8f71c5965219b1afd80cdcbadbfa98f77f01908fc9c37424f972ed5b50b68e059a02973

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fa224d582cbc7477d5b17576baa7570483cad0be6ff5857d5ef79838ba3d5add

    • Size

      12.0MB

    • MD5

      769d690d845642d89e87b512cdd60338

    • SHA1

      ad65ac262fc358d9a10cc8089e23373b7f4aa3bb

    • SHA256

      fa224d582cbc7477d5b17576baa7570483cad0be6ff5857d5ef79838ba3d5add

    • SHA512

      79b7b168a5d1e9653fa1069ebb1209a14b4bc689f700e42da2a82487a8f71c5965219b1afd80cdcbadbfa98f77f01908fc9c37424f972ed5b50b68e059a02973

    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

    • Deletes itself

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks