General

  • Target

    4bcb3b113699b2176112a6a57f720ea95e4a9aa660f7c82871ac324c2f9b433f

  • Size

    3.4MB

  • Sample

    210302-bh2cg9431e

  • MD5

    ad69ef0cdf6d7c1eff3fe466028c213c

  • SHA1

    199e578db6e2042126eceea8c4129baa6b887a51

  • SHA256

    4bcb3b113699b2176112a6a57f720ea95e4a9aa660f7c82871ac324c2f9b433f

  • SHA512

    c3f7d8f884b2a33950aee60574d9584f768abc6ea523c1a530a101b6f9017b1cd3eb0f2fcd23296117eb899480e32d3b86c735dd35761bb3822d4fc1043db5eb

Score
10/10

Malware Config

Targets

    • Target

      4bcb3b113699b2176112a6a57f720ea95e4a9aa660f7c82871ac324c2f9b433f

    • Size

      3.4MB

    • MD5

      ad69ef0cdf6d7c1eff3fe466028c213c

    • SHA1

      199e578db6e2042126eceea8c4129baa6b887a51

    • SHA256

      4bcb3b113699b2176112a6a57f720ea95e4a9aa660f7c82871ac324c2f9b433f

    • SHA512

      c3f7d8f884b2a33950aee60574d9584f768abc6ea523c1a530a101b6f9017b1cd3eb0f2fcd23296117eb899480e32d3b86c735dd35761bb3822d4fc1043db5eb

    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