Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 06:21

General

  • Target

    3fcffa0ad0d8d8b9dc47372872e106db12b82fdba724e1f57c0422abc5d3af88.exe

  • Size

    2.8MB

  • MD5

    23e682f4cd8bb3e77a15ea3a9438d56e

  • SHA1

    2b90e1c8f926753eca86897a746f1b62b757ef7f

  • SHA256

    3fcffa0ad0d8d8b9dc47372872e106db12b82fdba724e1f57c0422abc5d3af88

  • SHA512

    607e922421f0dad25ad58e416c08f987091d5a7484ff20df7d5144cc4bd80d09bb445b1340dd2e6571d7a76e10aef064eb818e0e9f2f47aa719407d66fa67a9d

  • SSDEEP

    49152:F7lbybaNvP+Y7PezVcKvgvIUXVD49aPW0YDEPcx+Goq3to:DbybaFiiKvgwW5m/Ul

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3568
      • C:\Users\Admin\AppData\Local\Temp\3fcffa0ad0d8d8b9dc47372872e106db12b82fdba724e1f57c0422abc5d3af88.exe
        "C:\Users\Admin\AppData\Local\Temp\3fcffa0ad0d8d8b9dc47372872e106db12b82fdba724e1f57c0422abc5d3af88.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4592
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aEFF.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4776
          • C:\Users\Admin\AppData\Local\Temp\3fcffa0ad0d8d8b9dc47372872e106db12b82fdba724e1f57c0422abc5d3af88.exe
            "C:\Users\Admin\AppData\Local\Temp\3fcffa0ad0d8d8b9dc47372872e106db12b82fdba724e1f57c0422abc5d3af88.exe"
            4⤵
            • Executes dropped EXE
            • Writes to the Master Boot Record (MBR)
            • System Location Discovery: System Language Discovery
            PID:3964
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3340
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:908
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:5520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      244KB

      MD5

      1deff10e563b9243ef8ab1607d3e9e96

      SHA1

      bca911a50c06d827af06024bf8ec172bc2f0a675

      SHA256

      d188a3a1c4595a2b910632867c4f79041dadc0748cd636a4c855b0f57a8075b7

      SHA512

      a981baca2e4fc86e61af065a5f8827b03cd774afd78cc33c0cc498802bc29a044ac302838395415a340659269ce94bf7543f7c476666903948ffd7102dc598fb

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      570KB

      MD5

      bbb502305006756349e7e9385abf401f

      SHA1

      d2d01f6249b1f0ca39cd8c4658daa39ea1aed679

      SHA256

      dcd2288dab8642facd580aa10a605ddd3531268916c94838b86d496dd3a794d1

      SHA512

      241049c1c0dad43b2e71d42d3a97aa70adeccb244713fdd5b91cb907fdb73bb2733276eb6fb466a745b2ca3f9af5599a9dae6bdc7ea94f0280717150c21d0a5b

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      636KB

      MD5

      2500f702e2b9632127c14e4eaae5d424

      SHA1

      8726fef12958265214eeb58001c995629834b13a

      SHA256

      82e5b0001f025ca3b8409c98e4fb06c119c68de1e4ef60a156360cb4ef61d19c

      SHA512

      f420c62fa1f6897f51dd7a0f0e910fb54ad14d51973a2d4840eeea0448c860bf83493fb1c07be65f731efc39e19f8a99886c8cfd058cee482fe52d255a33a55c

    • C:\Users\Admin\AppData\Local\Temp\$$aEFF.bat

      Filesize

      721B

      MD5

      9f2c8e601721a57e0185c232cb1bf33f

      SHA1

      861a160ceb2a687dc8fb96e77d93cb9d670b2fb5

      SHA256

      adf84ebd24bca765baaefa1afa0101d3047c174402ca02262f53a9df0936eb4f

      SHA512

      e5aa678be9caaca549d26755c53325e75b79fefc8a747621695b84fff51ae019da221ea068bd524921ea6c3f3bd463cacc1fdd153f1e9fee749512022abbee36

    • C:\Users\Admin\AppData\Local\Temp\3fcffa0ad0d8d8b9dc47372872e106db12b82fdba724e1f57c0422abc5d3af88.exe

      Filesize

      2.7MB

      MD5

      e72c3792eeca960eb226ce7617af496e

      SHA1

      313450b94d7992aeb75d6974befe640211bd4c0a

      SHA256

      f7fb426e37a4dca83f0282b0414935ed7c34041d9399d2e653bc1db3db052c39

      SHA512

      14f834719da9211197e7b64ce4e30436d91583fb244eecf992ad2fe394f5a0df5904ff3817c1c713bfa4baa49357df55f4e2a81e380a7dacca2ee313dffef31a

    • C:\Windows\rundl132.exe

      Filesize

      26KB

      MD5

      ef9a234000c71dec7218ebd161c31528

      SHA1

      665974a14335eca0a7bfa7f31a9be5030bf648bc

      SHA256

      019a31bff074fe18b08b5658fd9785b4ddda40f31cb22960b4763419d60832de

      SHA512

      2a00ed53cb840fe75c2afa52e0f136d7fd1c0da4727e0d59961d839b6f6285cff93b462948ba3c01ac4fc1f815127ca976709f3ec2ce18495e01bde7098d1a8f

    • F:\$RECYCLE.BIN\S-1-5-21-4182098368-2521458979-3782681353-1000\_desktop.ini

      Filesize

      9B

      MD5

      fab909adf44de1f9f5c010f5b08064fc

      SHA1

      66c566239c73b8f0695b54a16d46a19f91a35530

      SHA256

      da68d59f0202ebe993c367c926227dbf018434225163ab2f6121c12f2cdc5f65

      SHA512

      01bd95ec2c9e61e637533d76965e8c81bfd4309a208cd823ee01158511e0e9db298e55c833c1a60732ddfedf085c157f70924b6a1550dc9297826186be547fad

    • memory/3340-27-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/3340-33-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/3340-37-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/3340-20-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/3340-484-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/3340-1234-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/3340-8-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/3340-4792-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/3340-5237-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/4592-0-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/4592-11-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB