Overview

overview

10

Static

static

b23ec80dcf...8b.exe

windows7_x64

10

b23ec80dcf...8b.exe

windows10_x64

10

Sharing

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General

  • Target

    b23ec80dcfd2ee8ad973ac39a4b6488b

  • Size

    13.5MB

  • Sample

    201214-4f42s8n91s

  • MD5

    b23ec80dcfd2ee8ad973ac39a4b6488b

  • SHA1

    58a7c7a55442f3f22b61bb94eff369288f8b6392

  • SHA256

    388e770957cb4e6e396d8ef4a0cf158a69e3cdeb98157b013e79327013706afe

  • SHA512

    4f92d9235235702099771a60f5c8ea1fe83dd8dc2dbd05649d353f43de4c54a89249fb513659aad3022688e98cc8dbbe5a3ba144e12eedc3c2c000ca5d8e355d

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Targets

    • Target

      b23ec80dcfd2ee8ad973ac39a4b6488b

    • Size

      13.5MB

    • MD5

      b23ec80dcfd2ee8ad973ac39a4b6488b

    • SHA1

      58a7c7a55442f3f22b61bb94eff369288f8b6392

    • SHA256

      388e770957cb4e6e396d8ef4a0cf158a69e3cdeb98157b013e79327013706afe

    • SHA512

      4f92d9235235702099771a60f5c8ea1fe83dd8dc2dbd05649d353f43de4c54a89249fb513659aad3022688e98cc8dbbe5a3ba144e12eedc3c2c000ca5d8e355d

    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

    • 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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks