Analysis

  • max time kernel
    157s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 16:37

General

  • Target

    40559c73c9ff1fe763f3746f0e4a63eacc42af0b43a147de91504f69b6bc1a3d.exe

  • Size

    212KB

  • MD5

    32b83267e5b024b20b1d006a72e1d6d0

  • SHA1

    688bd87d2f2102f61193e50a151315db7721547d

  • SHA256

    40559c73c9ff1fe763f3746f0e4a63eacc42af0b43a147de91504f69b6bc1a3d

  • SHA512

    54cd797c45bf57f6998925c69a89d3e6827078e942e08324fb9aff96305fc2c6113f8fe96706813e6f62daf8d262ec66357c652cec35e342acb309613799f69f

  • SSDEEP

    3072:KQDe+aDtreDF6+FwYa2tf3d3CJPfmPDeKEc8GREDLYICEYFOUUzfPwVDpDO:dS+aY32YhtEx9c8ypICEYFOREVS

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Drops startup file 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 22 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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3040
      • C:\Users\Admin\AppData\Local\Temp\40559c73c9ff1fe763f3746f0e4a63eacc42af0b43a147de91504f69b6bc1a3d.exe
        "C:\Users\Admin\AppData\Local\Temp\40559c73c9ff1fe763f3746f0e4a63eacc42af0b43a147de91504f69b6bc1a3d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4920
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2472
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:32
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aC614.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:204
            • C:\Users\Admin\AppData\Local\Temp\40559c73c9ff1fe763f3746f0e4a63eacc42af0b43a147de91504f69b6bc1a3d.exe
              "C:\Users\Admin\AppData\Local\Temp\40559c73c9ff1fe763f3746f0e4a63eacc42af0b43a147de91504f69b6bc1a3d.exe"
              4⤵
              • Executes dropped EXE
              PID:792
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Executes dropped EXE
            • Drops startup file
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:216
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1544
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3488
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2844
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3768

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\$$aC614.bat

                  Filesize

                  722B

                  MD5

                  5dde657e0116ba7a68c6d5e93e9a2cf4

                  SHA1

                  629fa9d1f912bddbc5588401d098492f46d3ba84

                  SHA256

                  9bc02789b807a036751b4856379125e2028a98d605b83cfdb0decbc769654cf8

                  SHA512

                  5beabda16fb53043363a0d3a5b24f1982e1e6b215f8ac7498d487eb0079efe35e19d180073bf62df271b50398bad4d94cb614e6996f4d9385e37071d5cd6bab9

                • C:\Users\Admin\AppData\Local\Temp\40559c73c9ff1fe763f3746f0e4a63eacc42af0b43a147de91504f69b6bc1a3d.exe

                  Filesize

                  179KB

                  MD5

                  7d393087ab7b496654fca80921e8d13a

                  SHA1

                  013f7901622ad7b0447b1183657ed8a129002c7e

                  SHA256

                  d3f257bca783e672de519ed4dda5774220e6a95e8248109aba9eada1f9cbd963

                  SHA512

                  1b2b9aa6cd9d601f754ecc8377343e05c201d0a8e1e4afe8c185187d4811c28ea030929956b6e69f45926e5a54cecd0f994ecc0f340b5f7a07330fa7df36f5dc

                • C:\Users\Admin\AppData\Local\Temp\40559c73c9ff1fe763f3746f0e4a63eacc42af0b43a147de91504f69b6bc1a3d.exe.exe

                  Filesize

                  179KB

                  MD5

                  7d393087ab7b496654fca80921e8d13a

                  SHA1

                  013f7901622ad7b0447b1183657ed8a129002c7e

                  SHA256

                  d3f257bca783e672de519ed4dda5774220e6a95e8248109aba9eada1f9cbd963

                  SHA512

                  1b2b9aa6cd9d601f754ecc8377343e05c201d0a8e1e4afe8c185187d4811c28ea030929956b6e69f45926e5a54cecd0f994ecc0f340b5f7a07330fa7df36f5dc

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  b6437610b9aea33e82e16ee685a65946

                  SHA1

                  389601f9fd8b3dabc381fd9ee4a15b5e3b3e06f2

                  SHA256

                  d44ada5a8f7b460afcc94c970ffad95dd1b074b73d7e4f6762cc5609717e2ec1

                  SHA512

                  0459e79884adaecce4ef54f9e9323681e21af27bd816387846c0764f4161859bbba408cdf215691f6e8649e754f86ece80793f4721a634cc7a3ae591631b607c

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  b6437610b9aea33e82e16ee685a65946

                  SHA1

                  389601f9fd8b3dabc381fd9ee4a15b5e3b3e06f2

                  SHA256

                  d44ada5a8f7b460afcc94c970ffad95dd1b074b73d7e4f6762cc5609717e2ec1

                  SHA512

                  0459e79884adaecce4ef54f9e9323681e21af27bd816387846c0764f4161859bbba408cdf215691f6e8649e754f86ece80793f4721a634cc7a3ae591631b607c

                • C:\Windows\rundl132.exe

                  Filesize

                  33KB

                  MD5

                  b6437610b9aea33e82e16ee685a65946

                  SHA1

                  389601f9fd8b3dabc381fd9ee4a15b5e3b3e06f2

                  SHA256

                  d44ada5a8f7b460afcc94c970ffad95dd1b074b73d7e4f6762cc5609717e2ec1

                  SHA512

                  0459e79884adaecce4ef54f9e9323681e21af27bd816387846c0764f4161859bbba408cdf215691f6e8649e754f86ece80793f4721a634cc7a3ae591631b607c

                • memory/216-150-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/216-146-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4920-132-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4920-138-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB