Analysis

  • max time kernel
    150s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 07:46

General

  • Target

    c21ef6c22f4d48dd72db3763e21e532af7510630e938c26db4bb3a0047f14503.exe

  • Size

    72KB

  • MD5

    096085650918102b001b3f9bb6b2078a

  • SHA1

    2c3fc6d2cb302d86efa375794e5264dcd2c7c31e

  • SHA256

    c21ef6c22f4d48dd72db3763e21e532af7510630e938c26db4bb3a0047f14503

  • SHA512

    749f67c236a863fe8c1e177bbc6b57c9fcdbb43603a6162697d4161420eca575f7f5e786196e33af0529401711e57b8f2a96c4bf94c0793b7a7548a1bd3df356

  • SSDEEP

    1536:Ate+Zk7qzUJBC2KsgSMcJziyDfzHa/iSfRmq:Ate+aezUa6pBiyDfzhSfRb

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3464
      • C:\Users\Admin\AppData\Local\Temp\c21ef6c22f4d48dd72db3763e21e532af7510630e938c26db4bb3a0047f14503.exe
        "C:\Users\Admin\AppData\Local\Temp\c21ef6c22f4d48dd72db3763e21e532af7510630e938c26db4bb3a0047f14503.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:264
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3256
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1644
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6B2D.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1172
          • C:\Users\Admin\AppData\Local\Temp\c21ef6c22f4d48dd72db3763e21e532af7510630e938c26db4bb3a0047f14503.exe
            "C:\Users\Admin\AppData\Local\Temp\c21ef6c22f4d48dd72db3763e21e532af7510630e938c26db4bb3a0047f14503.exe"
            4⤵
            • Executes dropped EXE
            PID:1396
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4584
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4192
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:5004
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4616
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3988

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            257KB

            MD5

            bec822bf2d0062d8c7135bdd5198db70

            SHA1

            9683bff90a158ce766f8661f76905d03327073a8

            SHA256

            b7c35b00d9d1dc323e12c11dc62443e390f6270c73e7e87038ad350198e82393

            SHA512

            1b86a8b9dee288afb8d4adef795002c325a2b19de773cc7cadb407c717f87c57a06584b2f92a7e65107894b5935020d8da6a8005e660c22e2fcfdd06df93951c

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

            Filesize

            583KB

            MD5

            e139d66c672489955f5bd474c5884240

            SHA1

            1b4360ad8cebf443f1f39ea0b9353d8b97c86b42

            SHA256

            ee2997942af8ea07ed5ecd8f41fb1c01ffa739a2c5247a27605b527b472d2caf

            SHA512

            8755334f20c130b93e1b9d566395125b6dbca54bbd7fae1478a04a6a3bb56852c0c69dd382b2cba7a015500ff4d1ed168ddc0cedc5da424c51acd333f7eac999

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

            Filesize

            649KB

            MD5

            63b3bb79a49b72fddcd6d52791b91870

            SHA1

            12cc9c08a41e388dcfb041ba0333bb43e18e02eb

            SHA256

            70f1aa895f442cbacfc8c168bb2f71cbc7b07529833e71d67114d9f3870304b3

            SHA512

            4fbbe71ec709d911ddc46be49cc01217e0111f3f7b7f05b260ddc4d1f82f71b13275e3941592949bc70a4ca71b1b3af5c99d410e2cd87eecb93183302e59a893

          • C:\Users\Admin\AppData\Local\Temp\$$a6B2D.bat

            Filesize

            722B

            MD5

            17db2bc8c56c3431169351eb9f7849c9

            SHA1

            360627c6c43ded8fd9c18fc8babbdadd1f6881e0

            SHA256

            57d29182b73a66a69683e6494c88240d8896c020ff1624b5db8c8a76c2e8927f

            SHA512

            fe9278dbdd0d86c65b6e5238cec20944f1b340787c59c28844824b3924ff81cfef9827ab36563f6b9c6720adf594198b19846e42ac1c3d702f26908e1f8b35b5

          • C:\Users\Admin\AppData\Local\Temp\c21ef6c22f4d48dd72db3763e21e532af7510630e938c26db4bb3a0047f14503.exe.exe

            Filesize

            33KB

            MD5

            aa8eced8b0c3b3722e8958b79a4c6296

            SHA1

            4ff7ef88e26a40675f194b7f07e1bf8f3350ba07

            SHA256

            91e0b1b49ace92844e5a9afffcf2fb584cfec9f548e58ef57e3dd37dfd19f638

            SHA512

            6f2f104befbeefa821b86d47ec256f7b13ae8f00a7cbd5d724a7bdfd20c94c5cb53c654b5637b3c7ae4fc3cd2f10d6332bf08d85af718201068a985214322698

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            0b034525c0a86d564a1585fe1b22bb5f

            SHA1

            e12b56f99a607fb621f7af46c5d829d71ce97cd6

            SHA256

            d8a7abd2d5a1dce1488ea5a68f80cdebca7225ab725853a8f5277855bdf23c4e

            SHA512

            4ccf381fcb4038259db3a9e6099e79b203e4f8e22771300f9429d811ae022327953f2648458bfa78dac78e58b2cf2af8a1dad34207d736ebf4cfff0dedabbf4a

          • F:\$RECYCLE.BIN\S-1-5-21-786284298-625481688-3210388970-1000\_desktop.ini

            Filesize

            8B

            MD5

            24cfb7e9169e3ecbcdf34395dff5aed0

            SHA1

            64061d8b0afd788fb3d2990e90e61f14010896dd

            SHA256

            e11477f26e6139dabba6ad5dab927732c6a3785db78f82194ad7ae20323c6578

            SHA512

            a315d4ab14f15f8df115e35134f0a1eff8018b0c35c5a0283928f2d3f3014215d683973b9aeba1bc74c49437cc929ea4e2fb847b4305da6d5abca235c750e299

          • memory/264-11-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/264-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4584-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4584-3218-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4584-8-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4584-8731-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB