Overview

overview

10

Static

static

D76E.exe

windows7_x64

10

D76E.exe

windows10_x64

10

Sharing

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General

  • Target

    D76E.exe

  • Size

    315KB

  • Sample

    210215-z5568gq15n

  • MD5

    e0b4e6f9450122319cc01978d3639e83

  • SHA1

    aba9a8fca5e86afbde8215f2ae2c51fae913c149

  • SHA256

    4cf9da9215e2027a3cfc21491b44c75b469d75a74941fe8c2f3e43ce1c91d0df

  • SHA512

    c8064816a580626a74cd12da0028d8b9c7640a2bebe53d2995fbe75f3b49dc7ddf1599d4f049cadae0596ed0a044ab96735db397b1deddb861b48e0ad2bc4355

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Targets

    • Target

      D76E.exe

    • Size

      315KB

    • MD5

      e0b4e6f9450122319cc01978d3639e83

    • SHA1

      aba9a8fca5e86afbde8215f2ae2c51fae913c149

    • SHA256

      4cf9da9215e2027a3cfc21491b44c75b469d75a74941fe8c2f3e43ce1c91d0df

    • SHA512

      c8064816a580626a74cd12da0028d8b9c7640a2bebe53d2995fbe75f3b49dc7ddf1599d4f049cadae0596ed0a044ab96735db397b1deddb861b48e0ad2bc4355

    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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • 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