Overview

overview

8

Static

static

3

c3fbec35aa...b7.exe

windows7-x64

8

c3fbec35aa...b7.exe

windows10-2004-x64

3

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General

  • Target

    c3fbec35aaacf4be04abee7c6e1bbfb7

  • Size

    139KB

  • Sample

    240312-wf3dxafc2w

  • MD5

    c3fbec35aaacf4be04abee7c6e1bbfb7

  • SHA1

    813f9bf98c1564a49ed33449667e4b0e6c7b30b3

  • SHA256

    f7285d4101b8f8d63c39bcf62c5b2b34e04070dfd87742b8a0a7dd4f4355fe5d

  • SHA512

    dd736a008d6ad100de467f0d8c493e419418dbbebfa26418cd5673a40a7bb37d7ea96ae097363ddb9d35e5276c30e8fde1a6772af498de839f3390c3858c32b3

  • SSDEEP

    3072:TVE9+iA1EqQRKjcjVguzKHeambBEMdCeTVj3xZwMVepyq7:BitAVbkVgGIeambtCU9Vrq7

Score
8/10
evasionpersistence

Malware Config

Targets

    • Target

      c3fbec35aaacf4be04abee7c6e1bbfb7

    • Size

      139KB

    • MD5

      c3fbec35aaacf4be04abee7c6e1bbfb7

    • SHA1

      813f9bf98c1564a49ed33449667e4b0e6c7b30b3

    • SHA256

      f7285d4101b8f8d63c39bcf62c5b2b34e04070dfd87742b8a0a7dd4f4355fe5d

    • SHA512

      dd736a008d6ad100de467f0d8c493e419418dbbebfa26418cd5673a40a7bb37d7ea96ae097363ddb9d35e5276c30e8fde1a6772af498de839f3390c3858c32b3

    • SSDEEP

      3072:TVE9+iA1EqQRKjcjVguzKHeambBEMdCeTVj3xZwMVepyq7:BitAVbkVgGIeambtCU9Vrq7

    Score
    8/10
    evasionpersistence

    • Modifies Windows Firewall

      evasion

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks