Overview

overview

10

Static

static

8

a4a63c0693...91.exe

windows7-x64

10

a4a63c0693...91.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a4a63c06931335605088cbfb9ea936984dafe9a73cbe95562772bf5bd23dd891

  • Size

    212KB

  • Sample

    221129-jz262aba79

  • MD5

    fbb81ac88bccec6aaed50f07ff754bb4

  • SHA1

    a699d8a37ecbab522476ef2806f9494bca817c04

  • SHA256

    a4a63c06931335605088cbfb9ea936984dafe9a73cbe95562772bf5bd23dd891

  • SHA512

    df715ec60d783048e34bf94e9eef947d936c3a595eb6a8b9e1d4d2ff7c54d3f31404f9126b18f168e4a6a18ad2f48fdc4672988cf561621a89ca10ec72375919

  • SSDEEP

    6144:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyApZW199:ZMMpXKb0hNGh1kG0HWnAO199

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      a4a63c06931335605088cbfb9ea936984dafe9a73cbe95562772bf5bd23dd891

    • Size

      212KB

    • MD5

      fbb81ac88bccec6aaed50f07ff754bb4

    • SHA1

      a699d8a37ecbab522476ef2806f9494bca817c04

    • SHA256

      a4a63c06931335605088cbfb9ea936984dafe9a73cbe95562772bf5bd23dd891

    • SHA512

      df715ec60d783048e34bf94e9eef947d936c3a595eb6a8b9e1d4d2ff7c54d3f31404f9126b18f168e4a6a18ad2f48fdc4672988cf561621a89ca10ec72375919

    • SSDEEP

      6144:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyApZW199:ZMMpXKb0hNGh1kG0HWnAO199

    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