Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/08/2023, 01:56

General

  • Target

    ad85e66bf3d4202942c44578b813c615fd82bef39701f5bc36d60bf498f68f77.exe

  • Size

    29KB

  • MD5

    64323f548000b99d112d25e8c98af958

  • SHA1

    f9184d054a19cd31ae65f2987497bd1729b6610c

  • SHA256

    ad85e66bf3d4202942c44578b813c615fd82bef39701f5bc36d60bf498f68f77

  • SHA512

    9d38f22bd423eadf5a1351968c7a032ccac9cdc0928aed4c2c87d9634c481aabf52383f18b2dbb20921ca0d75eb206fad26e40b74990ae810939a2b54d4d4126

  • SSDEEP

    384:z7nbbybwP1Gt5M0zhIV/DZ3KZp7JcTO4yf9Knuf2MqlUV2V9wVfUnfR9C5fyuGyR:/bOG16GVRu1yK9fMnJG2V9dDClcx

Score
6/10

Malware Config

Signatures

  • 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 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3128
      • C:\Users\Admin\AppData\Local\Temp\ad85e66bf3d4202942c44578b813c615fd82bef39701f5bc36d60bf498f68f77.exe
        "C:\Users\Admin\AppData\Local\Temp\ad85e66bf3d4202942c44578b813c615fd82bef39701f5bc36d60bf498f68f77.exe"
        2⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1440
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4876
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1300

      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

              60b46f544a0dc4380f14838fb6989888

              SHA1

              b89da20a3cad127fce57c970d958cbbdb31debdd

              SHA256

              c729c410ae69ba23055f3720c6bc020a5ad5e18bedf8a518679479ff720b164b

              SHA512

              cf2d6cbfc59e9c6f2c7d703d905322c636bd915b897ddd936a3e0ddafc9a29d9bdb558155e7ff2d3ee214ff606a2dc46fe67bd240427e4af98b9c6c6517e4928

            • C:\Program Files\Google\Chrome\Application\chrome.exe

              Filesize

              2.8MB

              MD5

              2a93dbc5cb1519137c9c2c7c79b83aff

              SHA1

              118a189e938f03d0e9a9f396cce1716be301f35e

              SHA256

              17117220612a84f83e783a9aa83529f63133430cd2a55919de26b521a38dbe9b

              SHA512

              26997cd744359ed438d3052c9811b14b1ef200820a4b62ee1ed06156a927b7ae86b36af7c78a3147cca58723c911e46db06ef7aa5f5ba6e4de7f39cc518fec7e

            • F:\$RECYCLE.BIN\S-1-5-21-1420546310-613437930-2990200354-1000\_desktop.ini

              Filesize

              9B

              MD5

              3f532d661e3e85749ba887e931dca7a7

              SHA1

              9c5a57aaaae4d4912756648e50e0f1625555d8d4

              SHA256

              f6746f43007f7011976e21b41698acf00f4beb5eabd554c27ec7b9700b9a6805

              SHA512

              f544d4b3b6eedb3643c38c8c11941058d933539e88900ee90aa2a2b90980f410acf8a82345540b68b456c5fc35751422155c888923763c0a8014fcff4d4295b8

            • memory/1440-0-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1440-5-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1440-13-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1440-19-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1440-24-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1440-27-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1440-1264-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1440-4805-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB