Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-05-2024 23:17

General

  • Target

    4f2ad5eb21e746b53455d74d0ee167494951a3fa49c90d72f357c87708a652ea.exe

  • Size

    957KB

  • MD5

    e692f9e98d96904a773ea60b5c3e3806

  • SHA1

    3208a9e2ccfc26040bd4a464441493f4cfc7812e

  • SHA256

    4f2ad5eb21e746b53455d74d0ee167494951a3fa49c90d72f357c87708a652ea

  • SHA512

    72f2e74157f8de8b5ece01c714e19bb12bdd4878fbd00941b141d1fc0f5506fe42cf5067416c80cd118d6699f2029c8f98bf40aee418f75993c1540241e9a9e1

  • SSDEEP

    12288:tp7RKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:tpEBpDRmi78gkPXlyo0G/jr

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3440
      • C:\Users\Admin\AppData\Local\Temp\4f2ad5eb21e746b53455d74d0ee167494951a3fa49c90d72f357c87708a652ea.exe
        "C:\Users\Admin\AppData\Local\Temp\4f2ad5eb21e746b53455d74d0ee167494951a3fa49c90d72f357c87708a652ea.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3596
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a35F4.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1708
          • C:\Users\Admin\AppData\Local\Temp\4f2ad5eb21e746b53455d74d0ee167494951a3fa49c90d72f357c87708a652ea.exe
            "C:\Users\Admin\AppData\Local\Temp\4f2ad5eb21e746b53455d74d0ee167494951a3fa49c90d72f357c87708a652ea.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2192
        • 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:4884
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:872
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:840

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

        Filesize

        244KB

        MD5

        2aeb3aec28512d9b1481014859db2713

        SHA1

        12d09ec209f03f4bd9a4d11e1131a2f428192473

        SHA256

        1c68edc14b875a86fe2222a1b30fbfaff1c326bce4f1acddc08928a935a1abb5

        SHA512

        4179061616352650a83a7939ef914345f15aee98477922f49884b248ce8919ed3a0f5d17e830607b01c0ee1d85af65688785be79e7d732f90f4dbb1ba59f7b48

      • C:\Program Files\ExportPublish.exe

        Filesize

        564KB

        MD5

        8cc99e339777e3b9c676d51fd82de83c

        SHA1

        8bbb14c8d4829f7b72352ee9e286abda5b891d16

        SHA256

        c298ca3d08ba111d58e22ffd314c3b18f9f8f545dc50f78a05f5c8562cb91290

        SHA512

        038727e21dfb83250e120d3a7fa1bf255d08d5862d37f54394bfbd83d912f100651c0b66e73ea80da439b86fb0a30420992090b4ee3bb13a30af14bef104d4a3

      • 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\$$a35F4.bat

        Filesize

        722B

        MD5

        3ee827ca8f1437f704b552756163f7cb

        SHA1

        922510f1ec5bf81ef0632fed3e2cdf9f28e8b176

        SHA256

        f6e8d93e5b453ca7ae3e4dd203740dfc8ddcc76316c7c8a100ee557b8dac96e0

        SHA512

        a349857caeb8821d830d007625d0d3bc2c25869bd81a94f2df43943e664a15309371c44218bdf17bb5a33cc5d302218fd374b745c05b0f507937d7a3e19717c6

      • C:\Users\Admin\AppData\Local\Temp\4f2ad5eb21e746b53455d74d0ee167494951a3fa49c90d72f357c87708a652ea.exe.exe

        Filesize

        930KB

        MD5

        30ac0b832d75598fb3ec37b6f2a8c86a

        SHA1

        6f47dbfd6ff36df7ba581a4cef024da527dc3046

        SHA256

        1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

        SHA512

        505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

      • C:\Windows\Logo1_.exe

        Filesize

        27KB

        MD5

        c48ae1552b37d67e6693519ddeca982f

        SHA1

        1f20e6fec10fc35015336b03e2691174f1f53c47

        SHA256

        2f245ae481d3c7fb18805139a1e95538c84a4783214adac41d5e22b1cc4ab89f

        SHA512

        506b72a62311b1472fb05bc1ff7a8155b5e2fde665e0092eba9ae302d00cb893d8a95cc8d6063e57e64f201227145fba73931f60a3f9d8ebfaba707840158844

      • F:\$RECYCLE.BIN\S-1-5-21-877519540-908060166-1852957295-1000\_desktop.ini

        Filesize

        8B

        MD5

        4b4dbd7e2fe4189c8136069a10e1698a

        SHA1

        e4e6e1e80d1fe41d20456173c522d8e7affc4579

        SHA256

        f00f66ba8f3341c7ae8e3c7741a1ff31e522c75580afa9793dcaee17488ccf5b

        SHA512

        2be5b324ef5d951c5e66d692c26f813e0fdd76cb4ef01a9abf38e5f7837f649e0194f7f5c55b1cfd79a9d253031ace5b270fc50f6c11f1885e85f9a874380d8c

      • memory/3596-11-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/3596-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4884-27-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4884-37-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4884-33-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4884-1238-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4884-20-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4884-4802-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4884-9-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4884-5265-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB