Overview

overview

10

Static

static

f3baa4ed45...0f.exe

windows7_x64

10

f3baa4ed45...0f.exe

windows10_x64

10

Sharing

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General

  • Target

    f3baa4ed45dc9d0b254f70e6e4b0ac0f.exe

  • Size

    344KB

  • Sample

    211018-psdsradee4

  • MD5

    f3baa4ed45dc9d0b254f70e6e4b0ac0f

  • SHA1

    b3aa03c4bebf4d65227f54f2cafd1e50daa8aebe

  • SHA256

    16fdbb6f45f722fffffafa455e8c5dd268c895e6b050031f40ab557be5240332

  • SHA512

    13d2af499e0ae5819ced2d9086926dbd73259efa24e64705651899f6f1d730e8ed0b36d3438d4271a9254979f132523a3fb9f0994bb77a2a1d2105618f0bbb4a

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      f3baa4ed45dc9d0b254f70e6e4b0ac0f.exe

    • Size

      344KB

    • MD5

      f3baa4ed45dc9d0b254f70e6e4b0ac0f

    • SHA1

      b3aa03c4bebf4d65227f54f2cafd1e50daa8aebe

    • SHA256

      16fdbb6f45f722fffffafa455e8c5dd268c895e6b050031f40ab557be5240332

    • SHA512

      13d2af499e0ae5819ced2d9086926dbd73259efa24e64705651899f6f1d730e8ed0b36d3438d4271a9254979f132523a3fb9f0994bb77a2a1d2105618f0bbb4a

    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