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Analysis

  • max time kernel
    301s
  • max time network
    307s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-04-2024 14:05

General

  • Target

    tmp.exe

  • Size

    9.4MB

  • MD5

    db3edf03a8a2c8e96fe2d2deaaec76ff

  • SHA1

    2d9c9f3a5d06f11c5c881a9df90ba33cc2894ac1

  • SHA256

    a40cac0b6ee1729cdb6fca3c950e533b913c2729afbd2fde045e86cc62c0ff60

  • SHA512

    121b6ba2c7a91a8639b4b88d9965528df245534ec65c4f1d463dbcc3aa2719debb4417a1a7d919527155097cc00521576b25b2d061b149d0c8b82ca999054135

  • SSDEEP

    98304:kT2OhoLUWeKqyubAguIYylB9RK0RU4lFp887VO0J/yLaeWwGvJldmxe:VOE/IYypvU4loRpK

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath c:\windows\
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1384
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath \\?\C:\Windows \
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1060
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /TN "Timer"
      2⤵
        PID:1840
      • C:\Windows\SYSTEM32\schtasks.exe
        schtasks /create /sc minute /ED "11/02/2024" /mo 7 /tn "Timer" /tr c:\windows\system\svchost.exe /ru SYSTEM
        2⤵
        • Creates scheduled task(s)
        PID:728
      • C:\Windows\System\svchost.exe
        "C:\Windows\System\svchost.exe" formal
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4512
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath c:\windows\
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4768
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath \\?\C:\Windows \
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          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 --no-appcompat-clear --mojo-platform-channel-handle=1032 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        d85ba6ff808d9e5444a4b369f5bc2730

        SHA1

        31aa9d96590fff6981b315e0b391b575e4c0804a

        SHA256

        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

        SHA512

        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        944B

        MD5

        cadef9abd087803c630df65264a6c81c

        SHA1

        babbf3636c347c8727c35f3eef2ee643dbcc4bd2

        SHA256

        cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

        SHA512

        7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        944B

        MD5

        a9451a6b9669d49bd90704dff21beb85

        SHA1

        5f93d2dec01a31e04fc90c28eb1c5ca62c6fff80

        SHA256

        b2ff191507379930b97a212f869c3774c20b274e8fc9fcc96da5c154fb0e3056

        SHA512

        06634cb578f6ce8d721e6306004082073fc224b91ceea37ef870df87b12b2d5f59e7d08b20b520787a1d13f3edbbb004197bf70f180f86dd7f401a5ad289ccb5

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        944B

        MD5

        63aec5618613b4be6bd15b82345a971e

        SHA1

        cf3df18b2ed2b082a513dd53e55afb720cefe40e

        SHA256

        f67a667039290434cad954285ef9a93ab76b848158bb7fd1f698bd76b5bdd721

        SHA512

        a6c3b084ae6b41b2c3a9acb90a6f52a5acaff3bd94927389aa6698d1f2713e494b2e8f190cbbc963d56d8d30d5644df0e5c616c1f081d19275e0803dc576a033

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vlcyrwr4.exg.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Windows\System\svchost.exe

        Filesize

        9.4MB

        MD5

        db3edf03a8a2c8e96fe2d2deaaec76ff

        SHA1

        2d9c9f3a5d06f11c5c881a9df90ba33cc2894ac1

        SHA256

        a40cac0b6ee1729cdb6fca3c950e533b913c2729afbd2fde045e86cc62c0ff60

        SHA512

        121b6ba2c7a91a8639b4b88d9965528df245534ec65c4f1d463dbcc3aa2719debb4417a1a7d919527155097cc00521576b25b2d061b149d0c8b82ca999054135

      • memory/1060-38-0x00007FFCE7B40000-0x00007FFCE8601000-memory.dmp

        Filesize

        10.8MB

      • memory/1060-36-0x00000254E5140000-0x00000254E5150000-memory.dmp

        Filesize

        64KB

      • memory/1060-25-0x00000254E5140000-0x00000254E5150000-memory.dmp

        Filesize

        64KB

      • memory/1060-24-0x00007FFCE7B40000-0x00007FFCE8601000-memory.dmp

        Filesize

        10.8MB

      • memory/1384-17-0x00007FFCE7B40000-0x00007FFCE8601000-memory.dmp

        Filesize

        10.8MB

      • memory/1384-19-0x0000020907390000-0x00000209073A0000-memory.dmp

        Filesize

        64KB

      • memory/1384-18-0x0000020907390000-0x00000209073A0000-memory.dmp

        Filesize

        64KB

      • memory/1384-12-0x0000020921A30000-0x0000020921A52000-memory.dmp

        Filesize

        136KB

      • memory/1384-22-0x00007FFCE7B40000-0x00007FFCE8601000-memory.dmp

        Filesize

        10.8MB

      • memory/3256-1-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/3256-0-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/3256-6-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/3256-4-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/3256-3-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/3256-2-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/3256-52-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/4068-80-0x000001AEFC130000-0x000001AEFC140000-memory.dmp

        Filesize

        64KB

      • memory/4068-79-0x00007FFCE7A10000-0x00007FFCE84D1000-memory.dmp

        Filesize

        10.8MB

      • memory/4068-81-0x000001AEFC130000-0x000001AEFC140000-memory.dmp

        Filesize

        64KB

      • memory/4068-83-0x000001AEFC130000-0x000001AEFC140000-memory.dmp

        Filesize

        64KB

      • memory/4068-85-0x00007FFCE7A10000-0x00007FFCE84D1000-memory.dmp

        Filesize

        10.8MB

      • memory/4512-54-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/4512-51-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/4512-49-0x0000000140000000-0x0000000140A64400-memory.dmp

        Filesize

        10.4MB

      • memory/4512-86-0x0000000180000000-0x000000018070E000-memory.dmp

        Filesize

        7.1MB

      • memory/4768-64-0x00007FFCE7A10000-0x00007FFCE84D1000-memory.dmp

        Filesize

        10.8MB

      • memory/4768-65-0x0000023ADD890000-0x0000023ADD8A0000-memory.dmp

        Filesize

        64KB

      • memory/4768-67-0x0000023ADD890000-0x0000023ADD8A0000-memory.dmp

        Filesize

        64KB

      • memory/4768-69-0x00007FFCE7A10000-0x00007FFCE84D1000-memory.dmp

        Filesize

        10.8MB