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Analysis

  • max time kernel
    149s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 16:10

General

  • Target

    fb5b99692b2b123c7f767de087f1ebd43f5a0d8db0e814446f540d696227db2b.exe

  • Size

    68KB

  • MD5

    a649ea0cd17c611a1773d2317825ee9c

  • SHA1

    39e26c1d0e303667fc3d79956bab97a3586c161e

  • SHA256

    fb5b99692b2b123c7f767de087f1ebd43f5a0d8db0e814446f540d696227db2b

  • SHA512

    860909e74cd4b1daee13b2e25e7e5d6cb2010259334496c73293f1995e4d0c660ff44bda6c8354b69d56e244e91e1be3461e3739c08f67bebce1a9be6876cf1a

  • SSDEEP

    1536:Ta3SHmLKarIpYeEToa9D4ZQKbgZi1dst7x9PxQ:TakF3pdlZQKbgZi1St7xQ

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:3428
      • C:\Users\Admin\AppData\Local\Temp\fb5b99692b2b123c7f767de087f1ebd43f5a0d8db0e814446f540d696227db2b.exe
        "C:\Users\Admin\AppData\Local\Temp\fb5b99692b2b123c7f767de087f1ebd43f5a0d8db0e814446f540d696227db2b.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2268
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a632E.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:948
          • C:\Users\Admin\AppData\Local\Temp\fb5b99692b2b123c7f767de087f1ebd43f5a0d8db0e814446f540d696227db2b.exe
            "C:\Users\Admin\AppData\Local\Temp\fb5b99692b2b123c7f767de087f1ebd43f5a0d8db0e814446f540d696227db2b.exe"
            4⤵
            • Executes dropped EXE
            PID:456
        • 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:4304
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4032
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2548

      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

        252KB

        MD5

        5d32193de2cfdf187b43e5aff62a4fd2

        SHA1

        69c3b62ab39c979b2ebaff09c8f299ac3966690f

        SHA256

        b777124eef2f354f48d4e31f57404982b2dcfaa8a08f18cc81dccb11459a367f

        SHA512

        793dff9014d718b26300d6210fe9335131dd56ec0f6c48374ec1777b98fc5fa48cf285f6e066a02813fa77adab8269692e9ec4b14dc11bc04bf4782534ad9ae8

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        571KB

        MD5

        a1e57af09339824060d8a7932a8835df

        SHA1

        9f996516ac086808685c7881f792a6999f08f17f

        SHA256

        140672e1f00a179bc8c347b30c377661feb60494fd12de24fb73251f08249834

        SHA512

        09a9d04e62fc469fe071ac39d9484096df230528924307cd92b804056087e2f206ff3d676119a01badb51beb869777cadc9772964cd3fca20a70066d185331d6

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

        Filesize

        637KB

        MD5

        9cba1e86016b20490fff38fb45ff4963

        SHA1

        378720d36869d50d06e9ffeef87488fbc2a8c8f7

        SHA256

        a22e6d0f5c7d44fefc2204e0f7c7b048e1684f6cf249ba98c006bbf791c22d19

        SHA512

        2f3737d29ea3925d10ea5c717786425f6434be732974586328f03691a35cd1539828e3301685749e5c4135b8094f15b87fb9659915de63678a25749e2f8f5765

      • C:\Users\Admin\AppData\Local\Temp\$$a632E.bat

        Filesize

        722B

        MD5

        ebae1d423146a017355ca436444fbb38

        SHA1

        8067a9af7e0aa9b41bd66ff6d9f4cd9ccac9c7d4

        SHA256

        619ed279fabb42bb08a583081a3069aaec1cff1d1681d8b663b5cd0d30e35400

        SHA512

        61150a37286a0515c30d1cfd9ba04e0804c922256505a872318e1d8df7adcbe3ce058c7c427b662d35236b1423afcc16114f20ae5d256e9c7a9d8964ead9ac54

      • C:\Users\Admin\AppData\Local\Temp\fb5b99692b2b123c7f767de087f1ebd43f5a0d8db0e814446f540d696227db2b.exe.exe

        Filesize

        41KB

        MD5

        977e405c109268909fd24a94cc23d4f0

        SHA1

        af5d032c2b6caa2164cf298e95b09060665c4188

        SHA256

        cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f

        SHA512

        12b4b59c1a8e65e72aa07ee4b6b6cd9fdedead01d5ce8e30f16ca26b5d733655e23a71c1d273a950a5b1a6cce810b696612de4a1148ac5f468ddf05d4549eed5

      • C:\Windows\Logo1_.exe

        Filesize

        27KB

        MD5

        45fabbad5797257dc9a43b6cc8d2432d

        SHA1

        67df885f45d55667a66a6ec54b07bb1d84eab7de

        SHA256

        26ac0021f99062a8bfe7fb75f9af3bb948576eca9585dd54701f27fad6706b6c

        SHA512

        296c7145356bf381683b2095ab5b897003edae7e5db0e14c737e356340905fcde29a9f1fc94b9737d5efd95fbe132d4661b5316405445e6cde136c9a59a0d25c

      • F:\$RECYCLE.BIN\S-1-5-21-553605503-2331009851-2137262461-1000\_desktop.ini

        Filesize

        9B

        MD5

        02ced53ce3f5b175c3bbec378047e7a7

        SHA1

        dafdf07efa697ec99b3d7b9f7512439a52ea618d

        SHA256

        485bb2341321a2837fd015a36963ea549c7c6f40985e165fd56c8a1e89b3f331

        SHA512

        669dde3ea8628704d40681a7f8974cf52985385c92a61a540c97c18c13eb4d451207ae171b2a56cd061cadbc90e672a84eb55111b1f5016846918d73fb075c99

      • memory/2268-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2268-8-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-36-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-33-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-26-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-1050-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-1227-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-19-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-4419-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-4793-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-9-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-5109-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4304-5232-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB