Overview

overview

10

Static

static

7

74e25b22aa...18.exe

windows7-x64

10

74e25b22aa...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    74e25b22aab4493c31d87d65695cb915_JaffaCakes118

  • Size

    840KB

  • Sample

    240526-kc625scd41

  • MD5

    74e25b22aab4493c31d87d65695cb915

  • SHA1

    e13bcab36727600730e3f4b2527534dbad5b806d

  • SHA256

    6bb698716284d2d257b9703f1813511a8b7221fdf629b20689cc9de1a81d2bbe

  • SHA512

    1a3cea40fd79835d465e328a35ca17d79cfcd1622454f235aaecf49f0a535e54de7cc32982aa208975e357dcb2245fd2389a0914976810a4b6f6225ef030dc63

  • SSDEEP

    24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0Na:Kwi0L0qkR

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      74e25b22aab4493c31d87d65695cb915_JaffaCakes118

    • Size

      840KB

    • MD5

      74e25b22aab4493c31d87d65695cb915

    • SHA1

      e13bcab36727600730e3f4b2527534dbad5b806d

    • SHA256

      6bb698716284d2d257b9703f1813511a8b7221fdf629b20689cc9de1a81d2bbe

    • SHA512

      1a3cea40fd79835d465e328a35ca17d79cfcd1622454f235aaecf49f0a535e54de7cc32982aa208975e357dcb2245fd2389a0914976810a4b6f6225ef030dc63

    • SSDEEP

      24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0Na:Kwi0L0qkR

    Score
    10/10
    aspackv2persistenceransomware

    • Modifies WinLogon for persistence

      persistence

    • Renames multiple (91) files with added filename extension

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

      ransomware

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks