Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 18:30

General

  • Target

    41a57fc5677fdb1ae06acc8ad9c88f8ca184d986ef55a0551c5558372da8e065.exe

  • Size

    571KB

  • MD5

    14a1606ee014690541ddd1c51169cba2

  • SHA1

    2a75e583a802f1737912793c4977721b976a29b8

  • SHA256

    41a57fc5677fdb1ae06acc8ad9c88f8ca184d986ef55a0551c5558372da8e065

  • SHA512

    cd36672cd1ad94990e928c81e872d2ec9fa0cb0765b0002b5b676d62f801ac6df077ab042eb978a1f9fef644e92d08ef2cdc6f860d2161b0e12848108fa7fef7

  • SSDEEP

    6144:vCFpnE7cV3iwbAFRWAbd4nf0H05yqE6Hl0ChW0+ksllAXBu0lWGWUJJQ4t0BHQQG:8pE7a3iwbihym2g7XO3LWUQfh4Co

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\41a57fc5677fdb1ae06acc8ad9c88f8ca184d986ef55a0551c5558372da8e065.exe
        "C:\Users\Admin\AppData\Local\Temp\41a57fc5677fdb1ae06acc8ad9c88f8ca184d986ef55a0551c5558372da8e065.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1312
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a257B.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2884
          • C:\Users\Admin\AppData\Local\Temp\41a57fc5677fdb1ae06acc8ad9c88f8ca184d986ef55a0551c5558372da8e065.exe
            "C:\Users\Admin\AppData\Local\Temp\41a57fc5677fdb1ae06acc8ad9c88f8ca184d986ef55a0551c5558372da8e065.exe"
            4⤵
            • Executes dropped EXE
            PID:2580
        • 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:2640
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2680
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1400

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Discovery

      Query Registry

      1
      T1012

      Peripheral Device Discovery

      1
      T1120

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        252KB

        MD5

        0b2679dc1eb882abf56d11ca591aeb76

        SHA1

        7a5c7ff9a42f9c84873d269d1e776a89045a1f45

        SHA256

        3d1b129d45f7fe6c861e380906a0c97576a804240426a0d2408f131cbaedc354

        SHA512

        8661ecb16631ac033db4d7ee8aa291647ca3311888988693633acd1a69fd9d6eb890c94c97656602c47964219a082f875bce41710fe036cf546c29ae49e2e114

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe
        Filesize

        472KB

        MD5

        88eb1bca8c399bc3f46e99cdde2f047e

        SHA1

        55fafbceb011e1af2edced978686a90971bd95f2

        SHA256

        42fd78c05bc240d4ded16ac974f17c336f6ae3a1814d548021c48a942cc30428

        SHA512

        149d4de0c024e25a13a7bb17471e6f48391d4f26b1c8388672320eed1c255f84219ad7b72bbebc531ae558d5192dd4bb6d0dddd6c65a45300c8e8348a4fb3728

      • C:\Users\Admin\AppData\Local\Temp\$$a257B.bat
        Filesize

        722B

        MD5

        faf6eab4339f15d0e363810ce6d797c8

        SHA1

        601f55a1421c628de4b2b45717c6778566d1b473

        SHA256

        46b75783cb69cd1b59effe3dc14a033dea783bea2c463a0ac2408ee9228ce386

        SHA512

        22a62345afc71bf4aafe11cbdd253c6d57f953f58bdba2973182bc9009151adf051851bc89e32005367dc00c4e13c98bef5194714bb147c2b226c50614f46054

      • C:\Users\Admin\AppData\Local\Temp\41a57fc5677fdb1ae06acc8ad9c88f8ca184d986ef55a0551c5558372da8e065.exe.exe
        Filesize

        544KB

        MD5

        9a1dd1d96481d61934dcc2d568971d06

        SHA1

        f136ef9bf8bd2fc753292fb5b7cf173a22675fb3

        SHA256

        8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525

        SHA512

        7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa

      • C:\Windows\Logo1_.exe
        Filesize

        27KB

        MD5

        d0d42004d5e14fecf764dc99963c82fa

        SHA1

        2b05a3b17e23a16df2a838d31d8c4113993dd833

        SHA256

        fe58d080c6a43f69deaec1b3fa9ffa2963dd9a3384b6f3aa9895c4dd2c485a8f

        SHA512

        72f9b71e46512dfcec9bd294930cc9a01acdb8c5b33a3c9a48c9475889f300e35d13191e5868c9798fd335af5a32793f19180b9d015ec18d2b112d0ac1749bee

      • F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\_desktop.ini
        Filesize

        9B

        MD5

        3b22ce0fee2d1aaf2c66dcd142740e29

        SHA1

        94d542b4bb9854a9419753c38e6ffe747653d91c

        SHA256

        8284772f28954a109c16f1583e6e34e29f06673b34e04f268bda961b57ba9f79

        SHA512

        efd4900a49624170e51ea401f0845634f49484a49335845258dc3d41a12e2022bf413a6751fcbcfd1ec68cde506f3363beae57f20e8eaca8b214d28baa138c5b

      • memory/1212-30-0x0000000002F00000-0x0000000002F01000-memory.dmp
        Filesize

        4KB

      • memory/1312-0-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/1312-12-0x0000000000250000-0x0000000000285000-memory.dmp
        Filesize

        212KB

      • memory/1312-17-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-39-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-45-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-91-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-97-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-664-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-1850-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-2140-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-32-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-3310-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2640-22-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB