Overview

overview

10

Static

static

8

3b50e8a7bb...17.exe

windows7_x64

10

3b50e8a7bb...17.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    3b50e8a7bb15a231e841c6bb989deff1de7e13e7f4897f7ccdc265469adddc17

  • Size

    637KB

  • Sample

    220703-vecanabdb2

  • MD5

    3a911f140e54646eae26dabfec53eff3

  • SHA1

    a2f140bf8005fb2e0c56a87b136f624741e44f24

  • SHA256

    3b50e8a7bb15a231e841c6bb989deff1de7e13e7f4897f7ccdc265469adddc17

  • SHA512

    f3d9812302a4de79f51093820411b28b265125d70570e05d48ac3fcbe4d37f75c316a5d0e470c98cf6a9913fe7d8ccbf7112cacdc12c5baf1a33818f4dc8da20

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      3b50e8a7bb15a231e841c6bb989deff1de7e13e7f4897f7ccdc265469adddc17

    • Size

      637KB

    • MD5

      3a911f140e54646eae26dabfec53eff3

    • SHA1

      a2f140bf8005fb2e0c56a87b136f624741e44f24

    • SHA256

      3b50e8a7bb15a231e841c6bb989deff1de7e13e7f4897f7ccdc265469adddc17

    • SHA512

      f3d9812302a4de79f51093820411b28b265125d70570e05d48ac3fcbe4d37f75c316a5d0e470c98cf6a9913fe7d8ccbf7112cacdc12c5baf1a33818f4dc8da20

    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