General

  • Target

    b46b313ea534a295502d3775994a1ae2ba60ee2f468a1f0538b94feb03d63861

  • Size

    191KB

  • Sample

    221129-jz1yzaba78

  • MD5

    d97cd8b746765d9e95183cd4593d1921

  • SHA1

    c68ef7311e87b822c0911504ef4b4f7a2237d5df

  • SHA256

    b46b313ea534a295502d3775994a1ae2ba60ee2f468a1f0538b94feb03d63861

  • SHA512

    0175074151e14c145a626db720d5dc8efe04942145d5f15680cc7b03f71708bcdeb3b08c7ddd12cf5b985559103e9cc7c4b5644326d72823c6eccb66bb9a4ab4

  • SSDEEP

    3072:rimsXXK9HRTOeriRfP6pXfSb0dspqc5oY0htVFAHT11Ual21Cxcs0HKAH057kyJ7:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HWJ

Score
10/10

Malware Config

Targets

    • Target

      b46b313ea534a295502d3775994a1ae2ba60ee2f468a1f0538b94feb03d63861

    • Size

      191KB

    • MD5

      d97cd8b746765d9e95183cd4593d1921

    • SHA1

      c68ef7311e87b822c0911504ef4b4f7a2237d5df

    • SHA256

      b46b313ea534a295502d3775994a1ae2ba60ee2f468a1f0538b94feb03d63861

    • SHA512

      0175074151e14c145a626db720d5dc8efe04942145d5f15680cc7b03f71708bcdeb3b08c7ddd12cf5b985559103e9cc7c4b5644326d72823c6eccb66bb9a4ab4

    • SSDEEP

      3072:rimsXXK9HRTOeriRfP6pXfSb0dspqc5oY0htVFAHT11Ual21Cxcs0HKAH057kyJ7:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HWJ

    Score
    10/10
    • Modifies WinLogon for persistence

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Persistence

Winlogon Helper DLL

1
T1004

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Tasks