Overview

overview

10

Static

static

8

3c428b039c...bc.exe

windows7_x64

10

3c428b039c...bc.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    3c428b039c7f0403a91ff31fbf2470f5a47dd266d8e9aab54e17b5eef8e1cfbc

  • Size

    545KB

  • Sample

    220703-jy491adef8

  • MD5

    c0559f9024a5a5a39768dcc154fce091

  • SHA1

    37c589ec26be5ab1d4e207b7bbb25d8d58dfbc0e

  • SHA256

    3c428b039c7f0403a91ff31fbf2470f5a47dd266d8e9aab54e17b5eef8e1cfbc

  • SHA512

    744cc9d17bca0485427fde539297a0e1599a114f912382b0f4e44189813131701dca951fffb8e4fea5c2e4e6ffe9f9157407b79bf35326c010ded3dc5cca8cc7

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      3c428b039c7f0403a91ff31fbf2470f5a47dd266d8e9aab54e17b5eef8e1cfbc

    • Size

      545KB

    • MD5

      c0559f9024a5a5a39768dcc154fce091

    • SHA1

      37c589ec26be5ab1d4e207b7bbb25d8d58dfbc0e

    • SHA256

      3c428b039c7f0403a91ff31fbf2470f5a47dd266d8e9aab54e17b5eef8e1cfbc

    • SHA512

      744cc9d17bca0485427fde539297a0e1599a114f912382b0f4e44189813131701dca951fffb8e4fea5c2e4e6ffe9f9157407b79bf35326c010ded3dc5cca8cc7

    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