Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2024, 10:14

General

  • Target

    8b0fc225ef0740507b3769245ba7fb437b938ef9ebdff303688084403f2ee5b0.exe

  • Size

    92KB

  • MD5

    932615f4bca0021f9be6c01a235ff499

  • SHA1

    a1d31b9ff1a6dcc47c1ca9601a78d9875a4ce6b8

  • SHA256

    8b0fc225ef0740507b3769245ba7fb437b938ef9ebdff303688084403f2ee5b0

  • SHA512

    c61453dab3f46fe38c24c237b397716579091aaddbfb55817d2c35c75619b472de0e4759115caa7eb91d9320b97e0224af213daef1587eacbba4873c724d747c

  • SSDEEP

    1536:/wSe+Zk78NR3dN5nPyyapmebn4ddJZeY86iLflLJYEIs67rxo:/Ve+a+3dN5fLK4ddJMY86ipmns6S

Score
7/10

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
  • 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:3512
      • C:\Users\Admin\AppData\Local\Temp\8b0fc225ef0740507b3769245ba7fb437b938ef9ebdff303688084403f2ee5b0.exe
        "C:\Users\Admin\AppData\Local\Temp\8b0fc225ef0740507b3769245ba7fb437b938ef9ebdff303688084403f2ee5b0.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1928
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4168
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3C3E.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3956
            • C:\Users\Admin\AppData\Local\Temp\8b0fc225ef0740507b3769245ba7fb437b938ef9ebdff303688084403f2ee5b0.exe
              "C:\Users\Admin\AppData\Local\Temp\8b0fc225ef0740507b3769245ba7fb437b938ef9ebdff303688084403f2ee5b0.exe"
              4⤵
              • Executes dropped EXE
              PID:3600
          • 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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:956
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4724
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3700
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3580
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4928

          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

            87463f1c73625d5bd53aea91d70242bf

            SHA1

            1c957b20a479f7126a535e85702166691fdc6d8a

            SHA256

            9ea07a334c31a942d7976d736fa5300cc901a13ce4ed6d3d1d2251addc3e083b

            SHA512

            34989ca31fc53c3b6e98bbb3b39d42999ce6ed62c2a32a1efe3317a2f56f8d4b2650c40abca9885a1dcfb6d111f731f12f5d97ea50e4dacb01f919497cac4eba

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

            Filesize

            577KB

            MD5

            45f6db1ec72be2ae72124871996da724

            SHA1

            859058aaee81af4e9b64f1e4308d6ec13e53e9d3

            SHA256

            c720359aeb64cad64544b51dc032579ba42c1ce337ebc58bacb0a8c61092ab5b

            SHA512

            c41395aa00a4e6d40708a7ace7f4f19c99b13c8f04e296cae41d24721388ec27e1f824e372700754ab7dbbe0d87001fb34c26e3b157e2e4b9e34cf4cc87d9619

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

            Filesize

            643KB

            MD5

            b06c23c388c6c6a3219fdaf5efaabccf

            SHA1

            ada13c3c4449d222de774ebd037078ba31d33cd2

            SHA256

            8efeb8be3a4ae59e4106e6c1d9e122d8ecb84b71cf01796f27d94ecfe80e0809

            SHA512

            aefc2fbbf660ee465ac7f174ab8f3de242c352d473a02ee96214d29a5e854e88c7ad842685bdb81698c8d51e0b597d7379c3a039e704839be748fe96a68c23b9

          • C:\Users\Admin\AppData\Local\Temp\$$a3C3E.bat

            Filesize

            722B

            MD5

            e1f7d63050a577f7eaad92f91c6da17f

            SHA1

            970d53c5bea52026775bdc37703b8c7830fbf8d6

            SHA256

            6e1ac4eedb3f86b120706bcdee2f87ba3b942a2ac87af5e772bcedb3ad578087

            SHA512

            827bd6d4382f89821cbe764509512729f22aa7b06ddf01c8e9f284cfba2483a93812cc0f385dc6cf5a138912e33f276a4ab16f8c55f92b85328593581e61593e

          • C:\Users\Admin\AppData\Local\Temp\8b0fc225ef0740507b3769245ba7fb437b938ef9ebdff303688084403f2ee5b0.exe.exe

            Filesize

            59KB

            MD5

            dfc18f7068913dde25742b856788d7ca

            SHA1

            cbaa23f782c2ddcd7c9ff024fd0b096952a2b387

            SHA256

            ff4ac75c02247000da084de006c214d3dd3583867bd3533ba788e22734c7a2bf

            SHA512

            d0c7ec1dae41a803325b51c12490c355ed779d297daa35247889950491e52427810132f0829fc7ffa3022f1a106f4e4ba78ed612223395313a6f267e9ab24945

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            030c9aac5dcb76c5a06bf0ac2cdecfb0

            SHA1

            18f137b0ad656c47efffbc845449b5e80294bfd2

            SHA256

            815990d99ef2e24393dfdaac82ed03ab38096386d327ae3a8f670c63e02dbf79

            SHA512

            4db5e2a3c0e3d70003437fd15eebe90bb4574450b600bcac0fb52842c646fe5c098912ad479cf3ec4a490c985ba837e37ed5bdeec5db2ca57b16360290e0cce5

          • F:\$RECYCLE.BIN\S-1-5-21-17203666-93769886-2545153620-1000\_desktop.ini

            Filesize

            8B

            MD5

            1b16d2dbd4281ce4e4e5729c608dcb0b

            SHA1

            851e624080ba5598edb808d4b30fe2d74999ce18

            SHA256

            c9e46fb51d0588ca1e48ca66731e11992770b9b74a982f9bdbb6ce5b5b75d549

            SHA512

            cd1c4cf7c7871cb48ce735226b25f689b340037e6c992441e566161de7fca7410762d1a0c2670ee4b6546f7ee854d3219e0e2315c3e0387d9bbe3f08076b5a59

          • memory/956-11-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/956-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/956-5224-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/956-8774-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2972-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2972-9-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB