Overview

overview

10

Static

static

7

c83ff2cf74...18.exe

windows7-x64

10

c83ff2cf74...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118

  • Size

    818KB

  • Sample

    240829-fhrgesvbjc

  • MD5

    c83ff2cf7429c5d2db5ffc3b6c726513

  • SHA1

    32ff2329f2008b19c412d3ff1713d6e21d214089

  • SHA256

    34f3b58d67b44aade2d2cf60f95bfd99bf63e4ef182422d146caaf5bc0d7df54

  • SHA512

    9084757a71f3fb4860c3f54d705bbb041f1264758707aee155543f333d968f1069845287137b4b413b7195edae9496f43bce4fb5db1e8afe1425687b5f78d951

  • SSDEEP

    24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NW:Kwi0L0qkP

Score
10/10
aspackv2discoverypersistenceransomware

Malware Config

Targets

    • Target

      c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118

    • Size

      818KB

    • MD5

      c83ff2cf7429c5d2db5ffc3b6c726513

    • SHA1

      32ff2329f2008b19c412d3ff1713d6e21d214089

    • SHA256

      34f3b58d67b44aade2d2cf60f95bfd99bf63e4ef182422d146caaf5bc0d7df54

    • SHA512

      9084757a71f3fb4860c3f54d705bbb041f1264758707aee155543f333d968f1069845287137b4b413b7195edae9496f43bce4fb5db1e8afe1425687b5f78d951

    • SSDEEP

      24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NW:Kwi0L0qkP

    Score
    10/10
    aspackv2discoverypersistenceransomware

    • 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