Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 07:15

General

  • Target

    MalwareBazaar.exe

  • Size

    797KB

  • MD5

    8718d3b1d0a9550282544407fe4611b5

  • SHA1

    39d3ad59b8171f98e36455332261cd3b8ae69efa

  • SHA256

    45a822e7976bd1a2e146ca406840eb17a1686f3617d83b2046919064c938232d

  • SHA512

    5d09ad49b557b0a242e6077937e05c7be51620a89adc0be49883045148a7c01e2a26aadb603855160f21fa29929092400f323e0ae28c8089d3653c40307fbb3b

  • SSDEEP

    24576:x6xaakhDbnMNWyGx14ru/1kmNmf+JPspT6:GChDrMNWPn/1kNf+JPsF6

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4496
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zAvLHYWJkwVKS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1084
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zAvLHYWJkwVKS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7D3A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3648
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2932
  • 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=4252,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=4132 /prefetch:8
    1⤵
      PID:2064

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vnyvva0k.vhh.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp7D3A.tmp

      Filesize

      1KB

      MD5

      8b3cb54df154ef8037954ade7ed7a900

      SHA1

      95db6f8d69590ab7efe4f9bb077c00ed1c20b71a

      SHA256

      3e6e1de4084b52ce81dc0ae2c47ac58d9ab23d3fe8964f37097cdbff256bfd6a

      SHA512

      5533711f7f82dcaab63bdaf879370bfa509227ed3be1304067ef138b35cc5d1ce8a4dd8405dcdec9e1b8d4d58199b4835c05a882509b8643fb6e6d2d690bf20a

    • memory/1084-34-0x00000000057B0000-0x0000000005816000-memory.dmp

      Filesize

      408KB

    • memory/1084-21-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/1084-69-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/1084-66-0x0000000007480000-0x0000000007488000-memory.dmp

      Filesize

      32KB

    • memory/1084-65-0x00000000074A0000-0x00000000074BA000-memory.dmp

      Filesize

      104KB

    • memory/1084-64-0x00000000073A0000-0x00000000073B4000-memory.dmp

      Filesize

      80KB

    • memory/1084-63-0x0000000007390000-0x000000000739E000-memory.dmp

      Filesize

      56KB

    • memory/1084-62-0x0000000007360000-0x0000000007371000-memory.dmp

      Filesize

      68KB

    • memory/1084-61-0x00000000073E0000-0x0000000007476000-memory.dmp

      Filesize

      600KB

    • memory/1084-15-0x00000000048A0000-0x00000000048D6000-memory.dmp

      Filesize

      216KB

    • memory/1084-60-0x00000000071D0000-0x00000000071DA000-memory.dmp

      Filesize

      40KB

    • memory/1084-18-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/1084-17-0x0000000004F20000-0x0000000005548000-memory.dmp

      Filesize

      6.2MB

    • memory/1084-41-0x0000000006140000-0x000000000618C000-memory.dmp

      Filesize

      304KB

    • memory/1084-59-0x0000000007160000-0x000000000717A000-memory.dmp

      Filesize

      104KB

    • memory/1084-40-0x0000000005E40000-0x0000000005E5E000-memory.dmp

      Filesize

      120KB

    • memory/1084-58-0x00000000077B0000-0x0000000007E2A000-memory.dmp

      Filesize

      6.5MB

    • memory/1084-57-0x0000000007050000-0x00000000070F3000-memory.dmp

      Filesize

      652KB

    • memory/1084-27-0x0000000004E70000-0x0000000004E92000-memory.dmp

      Filesize

      136KB

    • memory/1084-33-0x0000000005650000-0x00000000056B6000-memory.dmp

      Filesize

      408KB

    • memory/1084-42-0x000000007F020000-0x000000007F030000-memory.dmp

      Filesize

      64KB

    • memory/1084-54-0x0000000006450000-0x000000000646E000-memory.dmp

      Filesize

      120KB

    • memory/1084-55-0x00000000048E0000-0x00000000048F0000-memory.dmp

      Filesize

      64KB

    • memory/1084-35-0x0000000005820000-0x0000000005B74000-memory.dmp

      Filesize

      3.3MB

    • memory/1084-19-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/1084-43-0x0000000006410000-0x0000000006442000-memory.dmp

      Filesize

      200KB

    • memory/1084-44-0x0000000070D60000-0x0000000070DAC000-memory.dmp

      Filesize

      304KB

    • memory/1084-56-0x00000000048E0000-0x00000000048F0000-memory.dmp

      Filesize

      64KB

    • memory/2932-24-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2932-72-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2932-71-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2932-70-0x0000000002CB0000-0x0000000002FFA000-memory.dmp

      Filesize

      3.3MB

    • memory/2932-20-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4496-8-0x0000000005F80000-0x0000000005F96000-memory.dmp

      Filesize

      88KB

    • memory/4496-2-0x0000000005290000-0x0000000005834000-memory.dmp

      Filesize

      5.6MB

    • memory/4496-3-0x0000000004CE0000-0x0000000004D72000-memory.dmp

      Filesize

      584KB

    • memory/4496-10-0x00000000075E0000-0x000000000767C000-memory.dmp

      Filesize

      624KB

    • memory/4496-9-0x0000000004690000-0x000000000472C000-memory.dmp

      Filesize

      624KB

    • memory/4496-7-0x0000000005F60000-0x0000000005F6E000-memory.dmp

      Filesize

      56KB

    • memory/4496-6-0x0000000005F40000-0x0000000005F58000-memory.dmp

      Filesize

      96KB

    • memory/4496-5-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-4-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

      Filesize

      40KB

    • memory/4496-26-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

      Filesize

      4KB

    • memory/4496-1-0x00000000001F0000-0x00000000002BE000-memory.dmp

      Filesize

      824KB