Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 18:40

General

  • Target

    b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe

  • Size

    53KB

  • MD5

    bb42d368117036f966ac637320573196

  • SHA1

    b7bb262aa512d4fd1f534d4d931d8461bf1d24db

  • SHA256

    b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2

  • SHA512

    785e1262a293d29c89dc5abf291f5792f212bf02048a869d0ccb0e1c237b7b4f6941ad9f4928a5708f30a41b3b0f8876eb95cff9bf561126d8f1bb8b446daf20

  • SSDEEP

    768:r1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoLpL/QasvFEpYinAMxklal9qYi2lauQ:BfgLdQAQfcfymN1L/Uve7Hxaio7YZxG

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 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3332
      • C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe
        "C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3292
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a11CE.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3544
          • C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe
            "C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe"
            4⤵
            • Executes dropped EXE
            PID:1088
        • 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:5036
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2672
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:960
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4232 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4312

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          251KB

          MD5

          a33a8079a96b84fb107ee4603ea5a431

          SHA1

          4d57eace6522d58ce571c31103ce1335cac7a334

          SHA256

          3ca9dbf486bbdef38ddf2102a532563ab20f4d767c5e6228f39e606e626e76d8

          SHA512

          29ec766ea39de2e24661a6444590fcd3421dfaf8e2f9edc6b7420331b455e9726759add01d9f53862341b7563042f089c64703edfcc38afa5f26e1e4bb64709b

        • C:\Program Files\7-Zip\7z.exe

          Filesize

          570KB

          MD5

          30008560b9177bfb052f3a9762fdeae3

          SHA1

          f2efbe2b8d8cdc97929a61e68aea51b7e1b1a255

          SHA256

          7df732e0ff8923eab2f1206791b2a9b88d834fc10333dbde8f4ed8c47b23f3fe

          SHA512

          7468e1f8e8acd12dd0a97d21350cf5e6fe0463819bdd897a5158bce5186757189b363c4b2b926c048548a3fb76f415b4635e11ad50912da0ac3a57e0922f4b0b

        • C:\Users\Admin\AppData\Local\Temp\$$a11CE.bat

          Filesize

          722B

          MD5

          97d0a3fae6be4ca9fbb1feb03ee27d9f

          SHA1

          23c3a2cb348b8c6971b9506f57d28ff9ab2a4b4e

          SHA256

          6f3d26028d309ab9206d65ed99d2dea7c1d11f7ae8f5cb4be255c984ec3b40c2

          SHA512

          9658bcce2044f7bcca2a319c11c84acbc8d34e826757aff1473b07734234b5c719ccbd3960ff4f86a130f037c92e7257768171059e7cd0e7af8ab044061c751d

        • C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe.exe

          Filesize

          26KB

          MD5

          9e4d73e24d912baa6e20a98fa4f98df3

          SHA1

          965fbbbaa4156dcb5c6391df4d245bbf94d62c0f

          SHA256

          28c6ce3582292ca5df81b9f8996369e82d489cc894cba9ed6b3e6678e67fc7f1

          SHA512

          0fc58e74c7a0773a6338c35656484f2e5682a55a9c6ca03bc479728c617afc99295a3dcb52d7d414d8f5cb9c37704886f54e26acf47a3d69ebb931ce2e3bd4f2

        • C:\Windows\Logo1_.exe

          Filesize

          26KB

          MD5

          2fa7d646424dcabdc763a482ed72338a

          SHA1

          2917f669560129d017d689b255ff05b848a6fcd0

          SHA256

          b6e3f8544ab9ccaaf1cb6cc51639b7173edb46f7fc186b908d8bcd50b731da69

          SHA512

          02230628e90c8ae3397fa1c1908c9d4d27c112c7986ab6630608ce16054b1731bb06f3a129657c25a32214bd2451fe36b3f0e649073f5b8b6c86dca42d4b317b

        • F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\_desktop.ini

          Filesize

          9B

          MD5

          4f2460b507685f7d7bfe6393f335f1c9

          SHA1

          378d42f114b1515872e58de6662373af31ab8c7b

          SHA256

          47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42

          SHA512

          75dcca6b81ac47511b847a5c35be4bddbee425436f7bfd1347115e18b84f52a16a5c517bda0a5f5d0a1f2541aab80d764932d8018538cb112fa3b6c9977e95eb

        • memory/1088-19-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

          Filesize

          4KB

        • memory/1088-20-0x0000000000FF0000-0x0000000000FF8000-memory.dmp

          Filesize

          32KB

        • memory/3292-0-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/3292-8-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-29-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-35-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-40-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-44-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-22-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-109-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-1184-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-1939-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-9-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5036-4913-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB