Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 04:42

General

  • Target

    99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe

  • Size

    237KB

  • MD5

    99c7f1fa19eb624a3fc213dc4a7bd0a0

  • SHA1

    ab746c25706ee614d03fff6390d22c37fb427262

  • SHA256

    a87d161b4cb878515226cd1751558825dd1f0d90d6543dbc01957f363069d81b

  • SHA512

    f410c8ef0120fc98a9ed2309b5f2d59507bdb62b64130d2ca1f433f808f4d95ed45f4f67263b97d767c8382959b47ac923dfb4abcbdde51994c0d03df4839615

  • SSDEEP

    6144:hA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:hATuTAnKGwUAWVycQqgj

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:3044
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      PID:3432
      • C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe
        "C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:116
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4460
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 300
            4⤵
            • Program crash
            PID:4780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 856
          3⤵
          • Program crash
          PID:4068
    • 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=3668,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4348 /prefetch:8
      1⤵
        PID:1496
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
        1⤵
        • Modifies data under HKEY_USERS
        PID:4688
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4460 -ip 4460
        1⤵
          PID:1896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 116 -ip 116
          1⤵
            PID:4172

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/116-12-0x00000000058E0000-0x00000000062E0000-memory.dmp

            Filesize

            10.0MB

          • memory/116-17-0x00000000058E0000-0x00000000062E0000-memory.dmp

            Filesize

            10.0MB

          • memory/116-3-0x00000000046D0000-0x0000000004D28000-memory.dmp

            Filesize

            6.3MB

          • memory/116-4-0x0000000003E80000-0x0000000003E81000-memory.dmp

            Filesize

            4KB

          • memory/116-5-0x0000000003E80000-0x0000000003E81000-memory.dmp

            Filesize

            4KB

          • memory/116-2-0x00000000045F0000-0x00000000045F1000-memory.dmp

            Filesize

            4KB

          • memory/116-9-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/116-1-0x00000000046D0000-0x0000000004D28000-memory.dmp

            Filesize

            6.3MB

          • memory/116-21-0x00000000046D0000-0x0000000004D28000-memory.dmp

            Filesize

            6.3MB

          • memory/3044-22-0x0000000000340000-0x0000000000346000-memory.dmp

            Filesize

            24KB

          • memory/3044-16-0x0000000000340000-0x0000000000346000-memory.dmp

            Filesize

            24KB

          • memory/3432-8-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

            Filesize

            24KB

          • memory/3432-13-0x00000000010A0000-0x00000000010A6000-memory.dmp

            Filesize

            24KB

          • memory/3432-7-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

            Filesize

            24KB