Analysis

  • max time kernel
    140s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    14/08/2024, 12:32

General

  • Target

    961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe

  • Size

    75KB

  • MD5

    961dbc1aef8dc473ac367465075a4708

  • SHA1

    2da4ef5829b7fb71bfc1d4e7ae3a8bacda6b0f75

  • SHA256

    9966fc9a4ef85925a9500e325f8f371bbe74df367e8c25146f090c4ada940305

  • SHA512

    8dac7fcaaeb62bbb8a5a2b769a36978dde71aedde89c99e2102969485fea3debb8bdb0ed071273fb7a3568158025b85919340e1fe345ab84617bfae099d10e09

  • SSDEEP

    1536:KzJ2W1Dy3qfHTGFq+/UbyyiVz9TwMWpo1rsiV5Spe9EC632B8mA6EZE6:KtbFy3qfH6Yc0r0xTwMWpoTV5SpLQ8x1

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe"
    1⤵
    • Server Software Component: Terminal Services DLL
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\259411940.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2892
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    PID:2804

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\259411940.bat

          Filesize

          278B

          MD5

          d49dc4fde872455c68ead0b06b83233a

          SHA1

          71bba98ec1fcc02d0972ca95b419fc6e03e2333f

          SHA256

          74cbbb60f6ddf22f6397fa1aec5a0447142ae27c19f3491676d2c5a655ea2752

          SHA512

          4df3f5bb6d27eab3d6f684110376af51231eca57bb651de8d35ea012262f8473965021e474e2145ec489c0e16ff55a5aaf91d4914bbe0250dc593075f0c64694

        • \Users\Admin\AppData\Local\Temp\259411800.tmp

          Filesize

          64KB

          MD5

          acc7862b21e9815a0ab54fc499fb4038

          SHA1

          9aa275a7cbce473fafbf920934a7af70932c3c28

          SHA256

          31e4a30e02f48b23c90716f093050d45aeea3705ad18686ec60766e9dd5ddce1

          SHA512

          419a358344670e395d3702fd69171cdf0577d461f2a984dfd7fb6305b74be62b1bcbc6a9936dc2202ad3a112b3dd52ef953329394e9006adba2fb41f27777e73

        • memory/2724-1-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB

        • memory/2724-4-0x0000000000230000-0x000000000025E000-memory.dmp

          Filesize

          184KB

        • memory/2724-20-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2804-12-0x00000000002E0000-0x000000000030E000-memory.dmp

          Filesize

          184KB

        • memory/2804-22-0x00000000002E0000-0x000000000030E000-memory.dmp

          Filesize

          184KB