Overview

overview

10

Static

static

8

3c8f7aa58b...35.exe

windows7_x64

10

3c8f7aa58b...35.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    3c8f7aa58b97f7a85d25077efb7878abeeb6139933d628131905cf3608ef1c35

  • Size

    1.1MB

  • Sample

    220703-hvslcsbgd8

  • MD5

    a8001b5a519ebe7df30284167dbef64b

  • SHA1

    e8293eff20c67c414abcc7779b03564937a8b8b0

  • SHA256

    3c8f7aa58b97f7a85d25077efb7878abeeb6139933d628131905cf3608ef1c35

  • SHA512

    7d2fe0440465122c04f21af6171343c4c6aba408fee69d1450ee1db16987fb53275f896c79bfac8b362f504a68cdd4d8b4735fc9d14e1d1139a020abc366fe56

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      3c8f7aa58b97f7a85d25077efb7878abeeb6139933d628131905cf3608ef1c35

    • Size

      1.1MB

    • MD5

      a8001b5a519ebe7df30284167dbef64b

    • SHA1

      e8293eff20c67c414abcc7779b03564937a8b8b0

    • SHA256

      3c8f7aa58b97f7a85d25077efb7878abeeb6139933d628131905cf3608ef1c35

    • SHA512

      7d2fe0440465122c04f21af6171343c4c6aba408fee69d1450ee1db16987fb53275f896c79bfac8b362f504a68cdd4d8b4735fc9d14e1d1139a020abc366fe56

    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