Overview

overview

10

Static

static

cf76b458a0...64.exe

windows7_x64

10

cf76b458a0...64.exe

windows10_x64

10

Sharing

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General

  • Target

    cf76b458a0d294caf87cfc6d6c0f0269fe4d0b5a149c11933dc3f5897ef8bd64

  • Size

    13.7MB

  • Sample

    210716-5rgn63v2x6

  • MD5

    31f47d08ddb80472b7c66a253cabe6be

  • SHA1

    fc694ea2c7afd8c8da90277310a6ab766954144e

  • SHA256

    cf76b458a0d294caf87cfc6d6c0f0269fe4d0b5a149c11933dc3f5897ef8bd64

  • SHA512

    8ee742756fdfd592b9504f73b7dc28cd06919d8c900a708b4a8b85ccb230de4a0e07f1469c0b52827fb5dc6982a47674f6ece249a8ec0669b378b4544d01cb4b

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Targets

    • Target

      cf76b458a0d294caf87cfc6d6c0f0269fe4d0b5a149c11933dc3f5897ef8bd64

    • Size

      13.7MB

    • MD5

      31f47d08ddb80472b7c66a253cabe6be

    • SHA1

      fc694ea2c7afd8c8da90277310a6ab766954144e

    • SHA256

      cf76b458a0d294caf87cfc6d6c0f0269fe4d0b5a149c11933dc3f5897ef8bd64

    • SHA512

      8ee742756fdfd592b9504f73b7dc28cd06919d8c900a708b4a8b85ccb230de4a0e07f1469c0b52827fb5dc6982a47674f6ece249a8ec0669b378b4544d01cb4b

    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