Overview

overview

9

Static

static

66.msi

windows7_x64

7

66.msi

windows10-2004_x64

9

Sharing

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General

  • Target

    66.msi

  • Size

    96KB

  • Sample

    220523-d9xfmsbfc3

  • MD5

    5d4e40d1d41c4588fbf7065fa85454e7

  • SHA1

    ca876c335ef0a4d90b456f13cc975c04016a5cc1

  • SHA256

    4c7314083933a283c87dc28abbed3082040f12e92edac47ff72f8539af6e3ea1

  • SHA512

    5f86b37bbdd97ec632e0098d5c2ff71c0a23f547a27493d88d5a0cfa0342e45c39fc79ddbb42e4103a08e7e8a71b88412ca45cbb3b1aed615fdbe4c50d647f3c

Score
9/10
persistenceransomware

Malware Config

Targets

    • Target

      66.msi

    • Size

      96KB

    • MD5

      5d4e40d1d41c4588fbf7065fa85454e7

    • SHA1

      ca876c335ef0a4d90b456f13cc975c04016a5cc1

    • SHA256

      4c7314083933a283c87dc28abbed3082040f12e92edac47ff72f8539af6e3ea1

    • SHA512

      5f86b37bbdd97ec632e0098d5c2ff71c0a23f547a27493d88d5a0cfa0342e45c39fc79ddbb42e4103a08e7e8a71b88412ca45cbb3b1aed615fdbe4c50d647f3c

    Score
    9/10
    persistenceransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks