Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-05-2024 20:55

General

  • Target

    147330a7ec2e27e2ed0fe0e921d45087_JaffaCakes118.exe

  • Size

    115KB

  • MD5

    147330a7ec2e27e2ed0fe0e921d45087

  • SHA1

    5c1113d0280326cef5f4085f7620a81001837041

  • SHA256

    92247fc31f92d78870fbb2de0226d1f54ecb04534a04a265bd9b82159543a7ee

  • SHA512

    4284af59a6b7391e661c9af3c953204e511d91ce26e7db1e6fd322bfdcde627d86e9b616af6ebdae56834d6a3b4d4ca0c4482f289f8138e5abf19988754cba14

  • SSDEEP

    1536:htKa4ZMnzF22qNmTIMhboDlYkAN5xsnm7UAYekc9oG9/Jmi7Rt/T0:WBZ6zQ2qYTxbp1AYqH4oG9rRt/T0

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • ModiLoader Second Stage 7 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\147330a7ec2e27e2ed0fe0e921d45087_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\147330a7ec2e27e2ed0fe0e921d45087_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\SysWOW64\svchost.exe
      "svchost.exe" "c:\users\admin\appdata\local\temp\147330a7ec2e27e2ed0fe0e921d45087_jaffacakes118.exe"path<<c:\users\admin\appdata\local\temp\147330a7ec2e27e2ed0fe0e921d45087_jaffacakes118.exe>>path
      2⤵
      • Modifies WinLogon for persistence
      • Looks for VirtualBox Guest Additions in registry
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Looks for VMWare Tools registry key
      • Checks BIOS information in registry
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1584
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://inmaster.biz/
        3⤵
          PID:3544
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 140
        2⤵
        • Program crash
        PID:5116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4284 -ip 4284
      1⤵
        PID:2880
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3716 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:932
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=5224 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:1
          1⤵
            PID:4440
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --mojo-platform-channel-handle=3788 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:1
            1⤵
              PID:1212
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5784 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
              1⤵
                PID:4968
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --mojo-platform-channel-handle=5924 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:1
                1⤵
                  PID:4296
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --mojo-platform-channel-handle=5448 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:1
                  1⤵
                    PID:648
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --mojo-platform-channel-handle=5584 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:1
                    1⤵
                      PID:572

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\KB1429679\KB1429679.exe

                      Filesize

                      115KB

                      MD5

                      147330a7ec2e27e2ed0fe0e921d45087

                      SHA1

                      5c1113d0280326cef5f4085f7620a81001837041

                      SHA256

                      92247fc31f92d78870fbb2de0226d1f54ecb04534a04a265bd9b82159543a7ee

                      SHA512

                      4284af59a6b7391e661c9af3c953204e511d91ce26e7db1e6fd322bfdcde627d86e9b616af6ebdae56834d6a3b4d4ca0c4482f289f8138e5abf19988754cba14

                    • memory/1584-2-0x0000000000030000-0x000000000005B000-memory.dmp

                      Filesize

                      172KB

                    • memory/1584-4-0x0000000000030000-0x000000000005B000-memory.dmp

                      Filesize

                      172KB

                    • memory/1584-6-0x0000000000030000-0x000000000003E000-memory.dmp

                      Filesize

                      56KB

                    • memory/1584-5-0x0000000000030000-0x000000000004C000-memory.dmp

                      Filesize

                      112KB

                    • memory/1584-8-0x0000000000030000-0x000000000004C000-memory.dmp

                      Filesize

                      112KB

                    • memory/1584-22-0x0000000000030000-0x000000000004C000-memory.dmp

                      Filesize

                      112KB

                    • memory/4284-0-0x00000000005E0000-0x00000000005E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4284-1-0x0000000000400000-0x0000000000415000-memory.dmp

                      Filesize

                      84KB