Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 20:52

General

  • Target

    9c3e34fd10fc2c6a16c26bc9fba236b0N.exe

  • Size

    258KB

  • MD5

    9c3e34fd10fc2c6a16c26bc9fba236b0

  • SHA1

    8dd8c8acf18246ac231406542c5f455043458820

  • SHA256

    ef75a21e2217eb15b0110de317ab2666cf9e2c28afe4765a16e75106225086a4

  • SHA512

    bcbde633dd58875cde1f5c53f790cf1813ff240bfc15ee63d441f1c58485e910a53f3430c8cbbf37a9aaa3640218a0bc07bf13254a5460de8dffcd7f3ec9003f

  • SSDEEP

    6144:l+aezCpBoQZbO5JCSZT0wwla4G13CmdxLzI9LTB5xnmT:l+aVbuJcfcXbz0Tfxo

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • 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 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3476
      • C:\Users\Admin\AppData\Local\Temp\9c3e34fd10fc2c6a16c26bc9fba236b0N.exe
        "C:\Users\Admin\AppData\Local\Temp\9c3e34fd10fc2c6a16c26bc9fba236b0N.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4592
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4564
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3712
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aC3CD.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2560
          • C:\Users\Admin\AppData\Local\Temp\9c3e34fd10fc2c6a16c26bc9fba236b0N.exe
            "C:\Users\Admin\AppData\Local\Temp\9c3e34fd10fc2c6a16c26bc9fba236b0N.exe"
            4⤵
            • Executes dropped EXE
            PID:4144
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • 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:312
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1028
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:212
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4392
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4352

    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

      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\$$aC3CD.bat

      Filesize

      536B

      MD5

      0b9dd10bcbb954ae48f1f3acdd87e17a

      SHA1

      b227a744daa9b64904b3107622b4900339629ff2

      SHA256

      f1e2b4561e672fba9fa8c20ce1a8e6ff8b6dced12e89b80dc0209331cfec52d5

      SHA512

      0bd74d5a80a1584258bb5b15e26ad03925a101b56608c4e95afb60ce7960ea54aa8ab13fe11754bb98f0085105b34a7ae1fb5b6400a2b620ea371ef6b02c3852

    • C:\Users\Admin\AppData\Local\Temp\9c3e34fd10fc2c6a16c26bc9fba236b0N.exe.exe

      Filesize

      218KB

      MD5

      5f1707646575d375c50155832477a437

      SHA1

      9bcba378189c2f1cb00f82c0539e0e9b8ff0b6c1

      SHA256

      75d348a3330bc527b2b2ff8a0789f711bd51461126f8df0c0aa1647e9d976809

      SHA512

      2f55dd13abfeb5af133ac5afb43c90fd10618e8fb241f50529241cff7987fff382cf151146855c37ad8ae0401b34f6d9aa32cbec03cdd67a224dfe247bad6c99

    • C:\Windows\Logo1_.exe

      Filesize

      39KB

      MD5

      0b034525c0a86d564a1585fe1b22bb5f

      SHA1

      e12b56f99a607fb621f7af46c5d829d71ce97cd6

      SHA256

      d8a7abd2d5a1dce1488ea5a68f80cdebca7225ab725853a8f5277855bdf23c4e

      SHA512

      4ccf381fcb4038259db3a9e6099e79b203e4f8e22771300f9429d811ae022327953f2648458bfa78dac78e58b2cf2af8a1dad34207d736ebf4cfff0dedabbf4a

    • F:\$RECYCLE.BIN\S-1-5-21-1302416131-1437503476-2806442725-1000\_desktop.ini

      Filesize

      8B

      MD5

      646a1be8fae9210cfba53ee1aab14c96

      SHA1

      8677ff347131a9c8304f10b48012ebd8b075030c

      SHA256

      660d57a3dc71884e70a9cbd6ca26d02872f4706abeb098c6d35f6b217462edf5

      SHA512

      812b716a422628d486a4c78c66a85c641f13976537fbd452e14fab9a6c440b442632df04de8437c485c9c8164e3b3499201d3dbe681b36fe6bec749df1ab75e4

    • memory/312-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/312-3314-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/312-8-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/312-8887-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4592-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4592-10-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB