Overview

overview

10

Static

static

8

a7fb25d631...cf.exe

windows7_x64

10

a7fb25d631...cf.exe

windows10_x64

10

Sharing

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General

  • Target

    a7fb25d631c8db66b347c7da48b909455b96322811484fad89858774900b51cf

  • Size

    1.1MB

  • Sample

    210302-45xtjhrexx

  • MD5

    66e2c4677ac12116fcaf80e099da3cdc

  • SHA1

    4ebcb85326a7c5ef054a0be2f98db2290a90183d

  • SHA256

    a7fb25d631c8db66b347c7da48b909455b96322811484fad89858774900b51cf

  • SHA512

    f178fc89377482aadffa4796cc0d0967379d22c5073656dfe61afba41992337ffcce543b2d4e2eb327c14e46323e6093e48a510ff9412a859cc87fd80469b6b6

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      a7fb25d631c8db66b347c7da48b909455b96322811484fad89858774900b51cf

    • Size

      1.1MB

    • MD5

      66e2c4677ac12116fcaf80e099da3cdc

    • SHA1

      4ebcb85326a7c5ef054a0be2f98db2290a90183d

    • SHA256

      a7fb25d631c8db66b347c7da48b909455b96322811484fad89858774900b51cf

    • SHA512

      f178fc89377482aadffa4796cc0d0967379d22c5073656dfe61afba41992337ffcce543b2d4e2eb327c14e46323e6093e48a510ff9412a859cc87fd80469b6b6

    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