Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 14:10

General

  • Target

    cfe27495b7889a08095555a4a6a221fc5d8ae4cbadc33d2280947d52fcbfd9cf.exe

  • Size

    67KB

  • MD5

    59640d38066259d1b0d70b1832e1054b

  • SHA1

    10114f09e115159ec591a5741c08bf99e6d7a710

  • SHA256

    cfe27495b7889a08095555a4a6a221fc5d8ae4cbadc33d2280947d52fcbfd9cf

  • SHA512

    f9ad335b69aaef13b03d1c92acc5b08bfef16b43c96c9313e932afdc96e722eff438857e66900a33a992c829b076c8fa05aa786be2c22d085411ff6694c3563d

  • SSDEEP

    1536:2MaYzMXqtGNttyeiZnZLYm1NiS4qz0XSW3iDhy3:2MaY46tGNttyeQLYm1wS4qz3DhO

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 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:3388
      • C:\Users\Admin\AppData\Local\Temp\cfe27495b7889a08095555a4a6a221fc5d8ae4cbadc33d2280947d52fcbfd9cf.exe
        "C:\Users\Admin\AppData\Local\Temp\cfe27495b7889a08095555a4a6a221fc5d8ae4cbadc33d2280947d52fcbfd9cf.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:220
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4452
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3052
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6F54.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2268
          • C:\Users\Admin\AppData\Local\Temp\cfe27495b7889a08095555a4a6a221fc5d8ae4cbadc33d2280947d52fcbfd9cf.exe
            "C:\Users\Admin\AppData\Local\Temp\cfe27495b7889a08095555a4a6a221fc5d8ae4cbadc33d2280947d52fcbfd9cf.exe"
            4⤵
            • Executes dropped EXE
            PID:2928
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • 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:3364
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2140
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1300
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4936
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3380

    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

            251KB

            MD5

            800a15b73ebd38e1c3fab0438e16bbfc

            SHA1

            1fe5fa583af497f1606e8acff64e7277d9156881

            SHA256

            57f0772a1df0d0082fbc97f9245d3bb36d2d3edfdb49711fa28fd724750ec42e

            SHA512

            401f7cc7e2018bb4d456f21c34c174772a7422563c4272f4b0ca6b26a362d40c7dc435251b49e701aff45251fdd7488c3d9509283f36b3c6bd2923e4dc860983

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

            Filesize

            577KB

            MD5

            44773e05dfe58cc6e3129ccf18cdc060

            SHA1

            97e00f69c4d47c6b46b85ddf85a45a99c3b2e5e6

            SHA256

            d76bf8b9195061b82e454ab09270b71930b68d6f4bf77a2c3d55dc475b207943

            SHA512

            56aa775567a18a4fe2c41216617568280b44a724eec1c733491309cfa88fbae256fb1aed417c669f20b0cb5f0ef7aa2e12c0f2d560fcba79377200221095adbe

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

            Filesize

            644KB

            MD5

            b84328b001ca8f8af6bb91f3412d6c8d

            SHA1

            4dc7c1302ec956ad23588e6e118b529a00f78bf3

            SHA256

            7c66229128ddbb08a813f4e100c4669b0c911f85b2533b5a98c5b9c3ba1382e5

            SHA512

            3873f467b402c8cb5a09cbbc595ea38c5638aa16c008d59ddbca6ba7d7eee1fa8fc84f910de61853e3d1fe74c8bc578127165c5ce3bf1582753885b2cd8e0bc7

          • C:\Users\Admin\AppData\Local\Temp\$$a6F54.bat

            Filesize

            722B

            MD5

            2580a89473891718d21f568c273c3fb5

            SHA1

            def3bc000d1e6539b460bee6e391a0eae71716ee

            SHA256

            41be4a3d6669775d43f5d95f8fe7664c92d709b109c4748073745fbe8b3f01d7

            SHA512

            debba967949ebd976f21d3695064f2af0b4caa3f2e8abcf5e208b95703a279f65e477d376b440c8a00fffb9616bace2d9748ada090c2857f52bf758919eccd7e

          • C:\Users\Admin\AppData\Local\Temp\cfe27495b7889a08095555a4a6a221fc5d8ae4cbadc33d2280947d52fcbfd9cf.exe.exe

            Filesize

            33KB

            MD5

            e23f654ce94c5fea4bc1d10bac9e1705

            SHA1

            8bf96eb96181339a2c0f261768045546503d7545

            SHA256

            74d75e8cd9f52cd9b294bd8203d21c83009824890811174af2601795a2bffe6c

            SHA512

            c9021cec17d19bfea97d6c038747f6c0a387934d3700e058b4ffad41f9d4805771c52739c5f9efdf69db099a52fc48040e7fed692acbea0398b3ffe843f9fce6

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            882c518784a2516cf3382e811730a54b

            SHA1

            f005942b284152bccdaf2e9daf8dc8b7ec42ab19

            SHA256

            ed39c0d5d432a79b3535a497fdf7c83948f570ec1b744ce2c5d810ba4db5aa7f

            SHA512

            31937e85e1599160c659d430368ea36e9206bef58d98cc3642a4a8795197f7e5df96f6babbffa3d96e7b9afbb0284f03031fa6ef7361d010593df4055772093a

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            842B

            MD5

            6f4adf207ef402d9ef40c6aa52ffd245

            SHA1

            4b05b495619c643f02e278dede8f5b1392555a57

            SHA256

            d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

            SHA512

            a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

          • F:\$RECYCLE.BIN\S-1-5-21-2718105630-359604950-2820636825-1000\_desktop.ini

            Filesize

            9B

            MD5

            e02899454c67c7d6d1af854fdcb53b67

            SHA1

            26fb213f7c299c2a4d8c4afd234ee0b751d7a30e

            SHA256

            0e67e90646d3ba7b46f935b205c9f89e8bff2dca7aeda3cd5dfb93868b262315

            SHA512

            e1519bebf62ab4cb28e630a201312812e04f815ec0663f7b68b478da97c0bf7c7c2238a8632540d3d1f37acbe83919fb198b39ebeb222c19faa2130ab65ffffa

          • memory/220-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/220-13-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3364-9-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3364-20-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3364-3980-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3364-8696-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB