Overview

overview

10

Static

static

8

640687d5a7...7a.exe

windows7_x64

10

640687d5a7...7a.exe

windows10_x64

10

Sharing

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General

  • Target

    640687d5a7fca6dbdfb442c14ee0c20626318066e8259b48dee878cc2b25037a

  • Size

    1.6MB

  • Sample

    210302-ednlvnj4za

  • MD5

    c6b5cb68874cfc88eabf9eb82fd18fec

  • SHA1

    2ca265a162129ca5d9f73c8d9c6b6bde407f617e

  • SHA256

    640687d5a7fca6dbdfb442c14ee0c20626318066e8259b48dee878cc2b25037a

  • SHA512

    96cd86e5ca01a2fdd088545cc5d5b07afc11386a89510fc23fc00d44db9c5336870730f66d8b38a0bceffd313b49b7d9c3c491e42ca2b6aaa84c583efa7fdeb6

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      640687d5a7fca6dbdfb442c14ee0c20626318066e8259b48dee878cc2b25037a

    • Size

      1.6MB

    • MD5

      c6b5cb68874cfc88eabf9eb82fd18fec

    • SHA1

      2ca265a162129ca5d9f73c8d9c6b6bde407f617e

    • SHA256

      640687d5a7fca6dbdfb442c14ee0c20626318066e8259b48dee878cc2b25037a

    • SHA512

      96cd86e5ca01a2fdd088545cc5d5b07afc11386a89510fc23fc00d44db9c5336870730f66d8b38a0bceffd313b49b7d9c3c491e42ca2b6aaa84c583efa7fdeb6

    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