Overview

overview

10

Static

static

8

4df98a6195...81.exe

windows7_x64

10

4df98a6195...81.exe

windows10_x64

10

Sharing

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General

  • Target

    4df98a61950d78e23ff812f90b53244fff00a91c90cf60f962bc1476ee7c9381

  • Size

    1.1MB

  • Sample

    210302-63e5k15z12

  • MD5

    64ce5a35f2b2bdbd2e217d2f9b641075

  • SHA1

    f0c9a87c69f3aadfbd33524bbacd5c8ec4397f49

  • SHA256

    4df98a61950d78e23ff812f90b53244fff00a91c90cf60f962bc1476ee7c9381

  • SHA512

    fc804761e0af552f266f34f5963599f86e6fd9cadd827bfd32b8a3d786a952468efd6f7fce07ec8b5253d67da0fde6503c6ee2d29ac454728c911e6030a5c858

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      4df98a61950d78e23ff812f90b53244fff00a91c90cf60f962bc1476ee7c9381

    • Size

      1.1MB

    • MD5

      64ce5a35f2b2bdbd2e217d2f9b641075

    • SHA1

      f0c9a87c69f3aadfbd33524bbacd5c8ec4397f49

    • SHA256

      4df98a61950d78e23ff812f90b53244fff00a91c90cf60f962bc1476ee7c9381

    • SHA512

      fc804761e0af552f266f34f5963599f86e6fd9cadd827bfd32b8a3d786a952468efd6f7fce07ec8b5253d67da0fde6503c6ee2d29ac454728c911e6030a5c858

    Score
    10/10
    aspackv2persistence

    • Modifies WinLogon for persistence

      persistence

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks