Analysis

  • max time kernel
    80s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/06/2024, 06:33

General

  • Target

    66f5e3dcf358be1227ad7291d186f158c8774d341123f648428611566f552f00.exe

  • Size

    959KB

  • MD5

    a56aa19283e549826773ba3d83076069

  • SHA1

    f0b45d0ac088d1f2979f5304fd048b92f4f3cfbb

  • SHA256

    66f5e3dcf358be1227ad7291d186f158c8774d341123f648428611566f552f00

  • SHA512

    548c9b5d006d83e5081e4a5e93496e40425be5f33447ee755f576009e5ecfc3cf826a858da8c2e2a197bd1b986814a306f362a772c0295ac47ad078fe632a318

  • SSDEEP

    12288:b+RKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:bXBpDRmi78gkPXlyo0G/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:3448
      • C:\Users\Admin\AppData\Local\Temp\66f5e3dcf358be1227ad7291d186f158c8774d341123f648428611566f552f00.exe
        "C:\Users\Admin\AppData\Local\Temp\66f5e3dcf358be1227ad7291d186f158c8774d341123f648428611566f552f00.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4208
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aE724.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3864
          • C:\Users\Admin\AppData\Local\Temp\66f5e3dcf358be1227ad7291d186f158c8774d341123f648428611566f552f00.exe
            "C:\Users\Admin\AppData\Local\Temp\66f5e3dcf358be1227ad7291d186f158c8774d341123f648428611566f552f00.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:3920
        • 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:3600
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1108
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1316
      • 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 --field-trial-handle=1316,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4588 /prefetch:8
        1⤵
          PID:468

        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

                9fff503fad7fa1d9cc7453fdf86ff0e0

                SHA1

                f9b728ba2e8bf2b3a570583f06b0fd7e9fce4ef2

                SHA256

                826148f8b31a5372a71adf8f51961e1b59de63c8865393feffb99ece5e113147

                SHA512

                c00773863ea4b6d88ba1c5a9dcfd2f1033e540c854f2f041bb193f367a9153d54d9fcec0c71e4e9834bbe98a6a5be030b045d34e3b54d69cddfd4d427895af4f

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

                Filesize

                573KB

                MD5

                71135c3e2b4ff6c00c3787cb0537c3bc

                SHA1

                2dee07d4b2b63ad50cae0ecb82419f2be2269b71

                SHA256

                832d8786895864bc451ae9166d82475b0d7655d5b0f0944bc45a672a3cc0b588

                SHA512

                a92aea492ca4ce9f4b62927df6cdb206a4a709e8d79e7434b28b0cd0b02262a8ceb45a01911c8bb3cc0cf71b36b6a43f138b0eb268abe3b08eb3d5a02d911c82

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

                Filesize

                639KB

                MD5

                c168f1400f09b767044170c5c0603287

                SHA1

                806b134d2145304a602bc358c2664cc266a52aeb

                SHA256

                05d52614bdae4496eb435a35b3eb91cc424abb582fdaaae8a8f96a3cf34e2676

                SHA512

                532f698580361daa78290a7871c1a58fd6e9a445ec78224f7b90bea454fb15183eaa9cee1ef9dcf3fb30a56b5fa6e57de67b817fe04cd5bd61ca5e6710f8f9a1

              • C:\Users\Admin\AppData\Local\Temp\$$aE724.bat

                Filesize

                722B

                MD5

                8b13fdc300265a5fff4192101b5d2148

                SHA1

                0e2589217478243e14c6ad6def606a27023ecf6e

                SHA256

                bbce75056bbc50bc8698897897189081f1257db80f2b2423898cc503893b686b

                SHA512

                257fbd356b4d45619272d92c227a3474e4a7fc057960107abaf16746a456ea24c833e3d357cd25a6f5875254c906e5fee19289cfd895a1176dcb81e646ef0af6

              • C:\Users\Admin\AppData\Local\Temp\66f5e3dcf358be1227ad7291d186f158c8774d341123f648428611566f552f00.exe.exe

                Filesize

                930KB

                MD5

                30ac0b832d75598fb3ec37b6f2a8c86a

                SHA1

                6f47dbfd6ff36df7ba581a4cef024da527dc3046

                SHA256

                1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

                SHA512

                505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

              • C:\Windows\rundl132.exe

                Filesize

                29KB

                MD5

                ba189b5e31c56a2e16e9c7accf623760

                SHA1

                52470f4d5e556832e9e4ff4625751ae62219d0ee

                SHA256

                037c1fc35982012dddedd497646d12ef35654415a14d4bbd467dca672954a3ed

                SHA512

                8da8c08b8af3450f715d2a04b492f2f459a93695bdf7514441705d041d5aba0df6edbb7a5e69e9a8bcbabd9f3c692e2522365ef2e889db3857043118c6df05b0

              • F:\$RECYCLE.BIN\S-1-5-21-1181767204-2009306918-3718769404-1000\_desktop.ini

                Filesize

                9B

                MD5

                60b1ffe4d5892b7ae054738eec1fd425

                SHA1

                80d4e944617f4132b1c6917345b158f3693f35c8

                SHA256

                5e9944cc48c7ec641cf7b1b0125f47f26102c371a973612f0583f604bc3900d4

                SHA512

                7f5c200924dbb5531df997e6a35cb94f36b54f5651284b0d6404f0576301125ef72b410a170fca889d46c033063663cfc7791f9e4c3c30695af069053eee66cc

              • memory/3600-27-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/3600-33-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/3600-37-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/3600-20-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/3600-1237-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/3600-11-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/3600-4875-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/3600-5320-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/4208-0-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/4208-10-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB