General

  • Target

    01f14d9a9aa7b2eab9643049b21b90f6_JaffaCakes118

  • Size

    1.9MB

  • Sample

    240426-3t3edsef24

  • MD5

    01f14d9a9aa7b2eab9643049b21b90f6

  • SHA1

    44482c1bae73f3a083f61db4bb9887960e015ba1

  • SHA256

    a7532b12ec2fc68fb64fc31087985c130dd229da9f4bac480466c629ba752dc9

  • SHA512

    17bd185a3f131d1e1c032a6f575d1279e9766c9ef656516643d54983607a704cf1984c4cf2a9bfead98c1415cb0a3313968d27af3bb17b5baf48d1df056b7a3a

  • SSDEEP

    49152:gEs1V0g7mM+M6RkMkIM7I067o0g7mM+M6RkMkIM7I0670:gE2UM+M6RkMkIM7QM+M6RkMkIM7j

Score
10/10

Malware Config

Targets

    • Target

      01f14d9a9aa7b2eab9643049b21b90f6_JaffaCakes118

    • Size

      1.9MB

    • MD5

      01f14d9a9aa7b2eab9643049b21b90f6

    • SHA1

      44482c1bae73f3a083f61db4bb9887960e015ba1

    • SHA256

      a7532b12ec2fc68fb64fc31087985c130dd229da9f4bac480466c629ba752dc9

    • SHA512

      17bd185a3f131d1e1c032a6f575d1279e9766c9ef656516643d54983607a704cf1984c4cf2a9bfead98c1415cb0a3313968d27af3bb17b5baf48d1df056b7a3a

    • SSDEEP

      49152:gEs1V0g7mM+M6RkMkIM7I067o0g7mM+M6RkMkIM7I0670:gE2UM+M6RkMkIM7QM+M6RkMkIM7j

    Score
    10/10
    • Modifies WinLogon for persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Drops startup file

    • Executes dropped EXE

    • 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 v13

Initial Access

Replication Through Removable Media

1
T1091

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

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