Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 18:28

General

  • Target

    0a5bd689a3a690e4d28fc24b70db0bc7266f2852f321f4fb94d8af0c3aba15b5.exe

  • Size

    68KB

  • MD5

    98050f7d98dc1c9a6511142c9a0d8633

  • SHA1

    075c718a62e7090658da0c98df2d7e22c1c8eed9

  • SHA256

    0a5bd689a3a690e4d28fc24b70db0bc7266f2852f321f4fb94d8af0c3aba15b5

  • SHA512

    0161aef7d31c1b652ed21146f2b2097890e103a756dc380f72b9c741fc77c3b7bfd32680d38228830216ca1a6e4e6fc4a56eb3d50cedfead64eda29f7017be42

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8A:Olg35GTslA5t3/w8A

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3428
        • C:\Users\Admin\AppData\Local\Temp\0a5bd689a3a690e4d28fc24b70db0bc7266f2852f321f4fb94d8af0c3aba15b5.exe
          "C:\Users\Admin\AppData\Local\Temp\0a5bd689a3a690e4d28fc24b70db0bc7266f2852f321f4fb94d8af0c3aba15b5.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4504
          • C:\Windows\SysWOW64\upxoodug-ouxex.exe
            "C:\Windows\system32\upxoodug-ouxex.exe"
            3⤵
            • Windows security bypass
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3416
            • C:\Windows\SysWOW64\upxoodug-ouxex.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:4088
      • 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=1516 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4600

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\arxudab.exe

          Filesize

          71KB

          MD5

          e143a0cd023bad5fa75e4467c489d6e5

          SHA1

          00de0c1a751d67e1202a25b17de28c09012c0cb9

          SHA256

          abdc324e515b44eda24872abafbec3e6f9edde244886bfdda7e3c21a83fa5819

          SHA512

          f65527f1836c108676fea31902ae2375bbb1d4f881745147e4eaf4a97d7f7af0e367a5ff42c0801d825ffec6cc4b45d43f31740b73a0b95d94043f06f9795cc6

        • C:\Windows\SysWOW64\avpoosear-uceas.dll

          Filesize

          5KB

          MD5

          f37b21c00fd81bd93c89ce741a88f183

          SHA1

          b2796500597c68e2f5638e1101b46eaf32676c1c

          SHA256

          76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

          SHA512

          252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

        • C:\Windows\SysWOW64\ifbobof-adooc.exe

          Filesize

          70KB

          MD5

          1de9073864d37d687157b01c1d0a3fb7

          SHA1

          60d213237242613ee767327706a7cef949f52c3d

          SHA256

          73f9d4f7df56403cd1b574ad9ff44286209af34d1a88c21a1fa10ca9b9357c02

          SHA512

          f63931c28864e01b6a5b655770ea9cdc08b82eb5f4e09e1fb746c64ec3050f88281dff8b28af6c57e07fd9ba171a1f4cc8218f69369ed2ce01eddecb22445f93

        • C:\Windows\SysWOW64\upxoodug-ouxex.exe

          Filesize

          68KB

          MD5

          98050f7d98dc1c9a6511142c9a0d8633

          SHA1

          075c718a62e7090658da0c98df2d7e22c1c8eed9

          SHA256

          0a5bd689a3a690e4d28fc24b70db0bc7266f2852f321f4fb94d8af0c3aba15b5

          SHA512

          0161aef7d31c1b652ed21146f2b2097890e103a756dc380f72b9c741fc77c3b7bfd32680d38228830216ca1a6e4e6fc4a56eb3d50cedfead64eda29f7017be42

        • memory/3416-49-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4088-50-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4504-6-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB