Analysis

  • max time kernel
    140s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-08-2024 21:21

General

  • Target

    aca13bfff2cf2b950e6bceddc343d550_JaffaCakes118.exe

  • Size

    137KB

  • MD5

    aca13bfff2cf2b950e6bceddc343d550

  • SHA1

    f80d713ec00a20e89a8f4eb392b463e5004f1ecd

  • SHA256

    bf8f4c6bbf22d6352f25ba618c716b81573c42337f60ca832de0a7b98b5eb8b9

  • SHA512

    e63dcf8984d68b331298b0df94217f9040b6ab694164dcfd69b9ef6864d38777d3670d353125112dd747732301f52cf34837e115cfb521ce2069556e0c6e966d

  • SSDEEP

    3072:SGzRawgUiBJGLe1veolNd2eyxwrshzW8O6RZIGKhZYWA2:JlFJ2p1lNvLshaMioq

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aca13bfff2cf2b950e6bceddc343d550_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\aca13bfff2cf2b950e6bceddc343d550_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\1.exe
      "C:\Windows\1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 224
        3⤵
        • Program crash
        PID:3328
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2900 -ip 2900
    1⤵
      PID:4644

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\1.exe

      Filesize

      121KB

      MD5

      917f4d6a6a1bfc9cce7b4403cc9a8d31

      SHA1

      277ddf8411c71b42547292f476c6d1b37a087d09

      SHA256

      395cf5fcd732113e6ab119411b45afe6e2eccc6b6ae5eb5beca0f687796865b4

      SHA512

      ef328f400026f3fde76f159a24567dfe9dbf25c5e97b03c78710ef0c04fab77b264397e5d7e10289fde26f716e048ed8cd007b552bf44cafe8d4c94798c1a0f7

    • memory/1580-0-0x0000000000400000-0x0000000000423200-memory.dmp

      Filesize

      140KB

    • memory/1580-11-0x0000000000400000-0x0000000000423200-memory.dmp

      Filesize

      140KB

    • memory/2900-8-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2900-10-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB