Overview

overview

10

Static

static

8

4d71a7228e...1b.exe

windows7_x64

10

4d71a7228e...1b.exe

windows10_x64

10

Sharing

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General

  • Target

    4d71a7228e929e830c9dc1f1b0e42aeb4791694fb0f286c9ce83979c08b4a31b

  • Size

    1.1MB

  • Sample

    210302-4qs3esvrae

  • MD5

    f5b67430dfcf62def4dfe4930f0c82d1

  • SHA1

    991303453bb060c87532e986a047f7404994cfe9

  • SHA256

    4d71a7228e929e830c9dc1f1b0e42aeb4791694fb0f286c9ce83979c08b4a31b

  • SHA512

    124204478c180e811c22bce9e217378e85d7e88b6309ed7fab375bcfd4636359adbc36af4ac118be1b4ba270234b1e2d36d97cc978968e90f87cd6beaf4886b9

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      4d71a7228e929e830c9dc1f1b0e42aeb4791694fb0f286c9ce83979c08b4a31b

    • Size

      1.1MB

    • MD5

      f5b67430dfcf62def4dfe4930f0c82d1

    • SHA1

      991303453bb060c87532e986a047f7404994cfe9

    • SHA256

      4d71a7228e929e830c9dc1f1b0e42aeb4791694fb0f286c9ce83979c08b4a31b

    • SHA512

      124204478c180e811c22bce9e217378e85d7e88b6309ed7fab375bcfd4636359adbc36af4ac118be1b4ba270234b1e2d36d97cc978968e90f87cd6beaf4886b9

    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