Overview

overview

10

Static

static

8

31c9105cef...bc.exe

windows7_x64

10

31c9105cef...bc.exe

windows10_x64

10

Sharing

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General

  • Target

    31c9105cef4c122e2a8912913fc2fed070ca600ab3612fe3e76a556708a8d7bc

  • Size

    1.1MB

  • Sample

    210302-nr1em2j6ks

  • MD5

    ba90cf935cc09c180e3ed1e2869b657c

  • SHA1

    69470ef71d735535a2a9a577c6fbab53b0fe33f6

  • SHA256

    31c9105cef4c122e2a8912913fc2fed070ca600ab3612fe3e76a556708a8d7bc

  • SHA512

    1a18980f9a7edee5ca41fc3e86e7b5fd748224a0c7a95efd016b48372ca0890aa43151e0632df31c1f444da914fe4c98a82b04b7acbdb4dee2b07fe98f3ef506

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      31c9105cef4c122e2a8912913fc2fed070ca600ab3612fe3e76a556708a8d7bc

    • Size

      1.1MB

    • MD5

      ba90cf935cc09c180e3ed1e2869b657c

    • SHA1

      69470ef71d735535a2a9a577c6fbab53b0fe33f6

    • SHA256

      31c9105cef4c122e2a8912913fc2fed070ca600ab3612fe3e76a556708a8d7bc

    • SHA512

      1a18980f9a7edee5ca41fc3e86e7b5fd748224a0c7a95efd016b48372ca0890aa43151e0632df31c1f444da914fe4c98a82b04b7acbdb4dee2b07fe98f3ef506

    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