General

  • Target

    4672eb0c566e4679a6fca486c90560b3006f9d337a3d38238f372cd66de61863

  • Size

    810KB

  • Sample

    220707-knef9shdhl

  • MD5

    bc26886cca6cc20f06a97fa7875546c9

  • SHA1

    353abb42b565ff62443274aa36a15d299ab0ec36

  • SHA256

    4672eb0c566e4679a6fca486c90560b3006f9d337a3d38238f372cd66de61863

  • SHA512

    33a59afcdcbe649f530b735967d7c7540c5c174cef25b1decd5b90f71e7ce9f7355fa09209a8a57adcc5da8fd7bbc06a5830b8ff664c798074c433efe62993d6

Score
10/10

Malware Config

Targets

    • Target

      4672eb0c566e4679a6fca486c90560b3006f9d337a3d38238f372cd66de61863

    • Size

      810KB

    • MD5

      bc26886cca6cc20f06a97fa7875546c9

    • SHA1

      353abb42b565ff62443274aa36a15d299ab0ec36

    • SHA256

      4672eb0c566e4679a6fca486c90560b3006f9d337a3d38238f372cd66de61863

    • SHA512

      33a59afcdcbe649f530b735967d7c7540c5c174cef25b1decd5b90f71e7ce9f7355fa09209a8a57adcc5da8fd7bbc06a5830b8ff664c798074c433efe62993d6

    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