Overview

overview

9

Static

static

Wireshark-....0.exe

windows7_x64

9

Wireshark-....0.exe

windows10_x64

9

Sharing

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General

  • Target

    Wireshark-win64-3.4.0.exe

  • Size

    58.5MB

  • Sample

    201120-txvdygyrvx

  • MD5

    f427fe6703fdf785bae6274b9ff0cc7d

  • SHA1

    e2dd1f2364d58f93fd44f7330a3068d5bed00154

  • SHA256

    32113e083409de888468e0bfe74ba98e6d618f9685a56a06f15b0506fdf4e462

  • SHA512

    4f6bf082cf838c910907d3e6d7b974e1fb9c8a062d19d5f270d99bd6afbe78cd37e06bfbb2c994ee97ec199c34dc53df59546f9a43ef4f7df9241c49a4dffe98

Score
9/10
discoveryevasionmacropersistence

Malware Config

Targets

    • Target

      Wireshark-win64-3.4.0.exe

    • Size

      58.5MB

    • MD5

      f427fe6703fdf785bae6274b9ff0cc7d

    • SHA1

      e2dd1f2364d58f93fd44f7330a3068d5bed00154

    • SHA256

      32113e083409de888468e0bfe74ba98e6d618f9685a56a06f15b0506fdf4e462

    • SHA512

      4f6bf082cf838c910907d3e6d7b974e1fb9c8a062d19d5f270d99bd6afbe78cd37e06bfbb2c994ee97ec199c34dc53df59546f9a43ef4f7df9241c49a4dffe98

    Score
    9/10
    discoveryevasionmacropersistence

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

      evasion

    • Blacklisted process makes network request

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Suspicious Office macro

      Office document equipped with 4.0 macros.

      macro

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • JavaScript code in executable

    • Drops file in System32 directory

    • Modifies service

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Software Discovery

1
T1518

Query Registry

3
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks