Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 04:21

General

  • Target

    58b39b00cd889a34cbdb908a0ced32148f236821bdfc702bcd812e64d97d1d95.exe

  • Size

    66KB

  • MD5

    9531fa8fc6ec3f0a1c5166b9a5e4719e

  • SHA1

    018c6319223e65772bfb440896be963feaf9d444

  • SHA256

    58b39b00cd889a34cbdb908a0ced32148f236821bdfc702bcd812e64d97d1d95

  • SHA512

    2137222f23a799db9fb4c68d98443c70860df214daf29bf32a8325d455956a7f64fc290e420c50549cc2dd56d6e4fd9cc367058d674963ad0184d242aad4e7b7

  • SSDEEP

    768:pZZZZZZZZZZZZZZa16GVRu1yK9fMnJG2V9dHS8HNic1iTEpgSG9TJVQBWZrvW5TL:pA3SHuJV9NBriw+d9bHrkT5gUHz7FxtJ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3452
      • C:\Users\Admin\AppData\Local\Temp\58b39b00cd889a34cbdb908a0ced32148f236821bdfc702bcd812e64d97d1d95.exe
        "C:\Users\Admin\AppData\Local\Temp\58b39b00cd889a34cbdb908a0ced32148f236821bdfc702bcd812e64d97d1d95.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4788
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4EFB.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3740
          • C:\Users\Admin\AppData\Local\Temp\58b39b00cd889a34cbdb908a0ced32148f236821bdfc702bcd812e64d97d1d95.exe
            "C:\Users\Admin\AppData\Local\Temp\58b39b00cd889a34cbdb908a0ced32148f236821bdfc702bcd812e64d97d1d95.exe"
            4⤵
            • Executes dropped EXE
            PID:4656
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2740
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3548
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1692

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        254KB

        MD5

        5df7d71f76653d1424f76d2459c0df88

        SHA1

        6bed2cda3aeea77eb61655d5941ce68ac39ecdc3

        SHA256

        a7da72da0d848255881a4d0d4ad14eb95ab8291c75b8869eeb013c543add50d7

        SHA512

        8f0f7c553a96365b55a68e5097c9bbb2c4f1803769c762341ca2f2102d595126b4084047a7db062faa6bf6ebc001e6ee66dfcaa4da67ff18fd6acd06d98ab879

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        573KB

        MD5

        0411eb91ccb4121f1d41f3b924e66a0d

        SHA1

        5d36bb417410ad1df4eacafed64a67cca3bfe25d

        SHA256

        02af6d458a3cbdcf094a5945cd2b17b0b7dff0c6562536bf7621b95802ef90c8

        SHA512

        79a1cb3da7c7a3ab20601b2b234e3e55cb4104338f720d21ae23dd27c490db708da1e0d22dcb120bc194c3d86f79330df9cc1b70c988fd4641c28f8e72c5bfb6

      • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

        Filesize

        639KB

        MD5

        c8d281da4c32df16eef470c27c8cb459

        SHA1

        00efc9f6844bfaa37c264b6452c6a7356638ab10

        SHA256

        058c81e5a07f2c6c33cf28dff71d07ad8f179046108d945159957e891bfd9c62

        SHA512

        e3c79e19f620068f668d4ebaa5097f1a95a30dabb8dce75f3787171dddbea9f684fc7ce8d1011a398f38084d7af96dd1ff9a02d25906aab9b13861b8363d24bb

      • C:\Users\Admin\AppData\Local\Temp\$$a4EFB.bat

        Filesize

        722B

        MD5

        59e0c037a2afd9042ce1e9ed6ffe6395

        SHA1

        bff3434934de9c885dd95c07b05c89f0f5426976

        SHA256

        282761297088bc7830dd60acac6fc014c3e5c881eb3f306aec157fb8b48ffa98

        SHA512

        2dd2e6e050a3c97e7228e8d2b6239d0a917f499ba7c21f2004c337288cb1a8e1c2b2d98569d4a7cfeed76eece3e996b16b847668566b52e03e590b2b79d25854

      • C:\Users\Admin\AppData\Local\Temp\58b39b00cd889a34cbdb908a0ced32148f236821bdfc702bcd812e64d97d1d95.exe.exe

        Filesize

        36KB

        MD5

        9f498971cbe636662f3d210747d619e1

        SHA1

        44b8e2732fa1e2f204fc70eaa1cb406616250085

        SHA256

        8adf6748981c3e7b62f5dbca992be6675574fffbce7673743f2d7fe787d56a41

        SHA512

        b73083c2f7b028d2946cb8f7b4fe2289fedaa4175364a2aac37db0aeff4602aede772ccc9eba7e6dcfcb7276e52604ca45d8021952201b5834485b48bca3dc93

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        dda4e3f1662f8124f797c06dd6a1e115

        SHA1

        ac8eb50097a78c25d97a7c217ba8528fdaa9e631

        SHA256

        7c7ac21a3134e5c7a096fce44496008c984795d8cac6d19314fbc2fa1c66a7f7

        SHA512

        456bda7c7095eb82016a5ecf55ba43f5024287a0a27aa5b373f15f69e2a0238cdfeafb02e2d48a394cd9a2be927eda6b10ee0aacc87861a93a363a45ecb258dc

      • F:\$RECYCLE.BIN\S-1-5-21-2288054676-1871194608-3559553667-1000\_desktop.ini

        Filesize

        9B

        MD5

        8c34dc99037d2222f90612d7a5e52499

        SHA1

        fda1121fbbb4ed65e2bbf0b7d7c9847d6f47fe7c

        SHA256

        5b74167b62086b62f2f1540c9601d4c70c005e86ff72d5d514f87c82df3cb468

        SHA512

        999a3f71583131a044764079e1d6c447190f81bdb3b32d3f423f97ea6f5a4cf431ddf0b5ad61a2f72e9aa280a859555c131c9b89a4713cdaf955a7f90b6258cf

      • memory/2740-26-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2740-32-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2740-36-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2740-19-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2740-1060-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2740-1227-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2740-8-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2740-4792-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2740-5231-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4788-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4788-12-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB