Overview

overview

10

Static

static

8

c820a4eb4b...11.exe

windows7_x64

10

c820a4eb4b...11.exe

windows10_x64

10

Sharing

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General

  • Target

    c820a4eb4b75dac3a91ccd49b832a70cf09d1291819e1ac7a5f50a96c047be11

  • Size

    1.4MB

  • Sample

    210302-kxxms1hvcx

  • MD5

    cb49c4785f104c0e888631f96e5dc62c

  • SHA1

    0d66ad9ecb305b4251b5b25f1222c6b28af8ae3a

  • SHA256

    c820a4eb4b75dac3a91ccd49b832a70cf09d1291819e1ac7a5f50a96c047be11

  • SHA512

    6505c616b7fb801a2c156711678579eee8c459ea5fbb2256dda1d17d7a0824f526c4104280c13c8c4a93c039d82f402ea30db8997a95ebb107be02a0a236f677

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      c820a4eb4b75dac3a91ccd49b832a70cf09d1291819e1ac7a5f50a96c047be11

    • Size

      1.4MB

    • MD5

      cb49c4785f104c0e888631f96e5dc62c

    • SHA1

      0d66ad9ecb305b4251b5b25f1222c6b28af8ae3a

    • SHA256

      c820a4eb4b75dac3a91ccd49b832a70cf09d1291819e1ac7a5f50a96c047be11

    • SHA512

      6505c616b7fb801a2c156711678579eee8c459ea5fbb2256dda1d17d7a0824f526c4104280c13c8c4a93c039d82f402ea30db8997a95ebb107be02a0a236f677

    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