Overview

overview

10

Static

static

967692708e...dd.exe

windows7_x64

10

967692708e...dd.exe

windows10_x64

10

Sharing

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General

  • Target

    967692708e762fda8ecb0b971aa06e33bca0b9d97b22ac7ffe8297df40a136dd

  • Size

    13.0MB

  • Sample

    201115-mr3kgfxpha

  • MD5

    3c0f80a2feb1ba9cf781686c98dd6682

  • SHA1

    d0960adb4d7be498b72089a880b94ed305b9d99c

  • SHA256

    967692708e762fda8ecb0b971aa06e33bca0b9d97b22ac7ffe8297df40a136dd

  • SHA512

    b8beac88f8722f818e302b70afecf68268f8811b56c127011ac7cfe86692ec5f937f20c97c60fb0b9f2691588be5069540faf65bdd4c57e648e33a67f643587c

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Targets

    • Target

      967692708e762fda8ecb0b971aa06e33bca0b9d97b22ac7ffe8297df40a136dd

    • Size

      13.0MB

    • MD5

      3c0f80a2feb1ba9cf781686c98dd6682

    • SHA1

      d0960adb4d7be498b72089a880b94ed305b9d99c

    • SHA256

      967692708e762fda8ecb0b971aa06e33bca0b9d97b22ac7ffe8297df40a136dd

    • SHA512

      b8beac88f8722f818e302b70afecf68268f8811b56c127011ac7cfe86692ec5f937f20c97c60fb0b9f2691588be5069540faf65bdd4c57e648e33a67f643587c

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • 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

    • Modifies service

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks