Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-03-2024 07:55

General

  • Target

    c2d998718f83b47794cbd35780c72834.exe

  • Size

    48KB

  • MD5

    c2d998718f83b47794cbd35780c72834

  • SHA1

    bbdc400263a5b80346f6cc85919a3e0838f20f9c

  • SHA256

    64185518f18098fcc63e8c207ba8ce9663adaaa6ce9515a1ee7b3ff6fced3d61

  • SHA512

    33043f693e8ba584d983a6a8f0909c2dfdbc12e0e305aae73c9a4d5292abed2ec91eefe0a7cf47e36881b37df570196a29811fb1256c298e7d5bc2fca000d437

  • SSDEEP

    768:EyW1yBtObv0U/xwPp0EoooiYECG2nZF5sZVcmxgs5:24Bobv7aB0EooYEC3rUVcYgw

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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2d998718f83b47794cbd35780c72834.exe
    "C:\Users\Admin\AppData\Local\Temp\c2d998718f83b47794cbd35780c72834.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\zbhnd.exe
      "C:\Users\Admin\AppData\Local\Temp\zbhnd.exe"
      2⤵
      • Executes dropped EXE
      PID:1668
  • 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=3996 --field-trial-handle=2240,i,16875000905773190493,11379096115878622792,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:60
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:3184
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\zbhnd.exe

        Filesize

        48KB

        MD5

        5f89b6ca6bdc9146c92f4b961b56254c

        SHA1

        28d82675765d4e0e6eee56a0f07652a8ed47e24a

        SHA256

        b6fc4af1c4197bc03695869ac45fd47439ce39f41e3d36be24782ae9000d0865

        SHA512

        51525b8cde3aee226bd5f49b9596064cadfc89704c0d6e35096b84d802b1c65f608d81eafb56584b297502b2f4c9cef2a457fa500e2b5acaf64dbd305ac889a2

      • memory/1668-14-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/1956-0-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/1956-1-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/4568-27-0x0000019F13B40000-0x0000019F13B50000-memory.dmp

        Filesize

        64KB

      • memory/4568-43-0x0000019F13C40000-0x0000019F13C50000-memory.dmp

        Filesize

        64KB

      • memory/4568-59-0x0000019F1BF30000-0x0000019F1BF31000-memory.dmp

        Filesize

        4KB

      • memory/4568-61-0x0000019F1BF60000-0x0000019F1BF61000-memory.dmp

        Filesize

        4KB

      • memory/4568-62-0x0000019F1BF60000-0x0000019F1BF61000-memory.dmp

        Filesize

        4KB

      • memory/4568-63-0x0000019F1C070000-0x0000019F1C071000-memory.dmp

        Filesize

        4KB