Analysis

  • max time kernel
    149s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 20:14

General

  • Target

    a1bc7f341a923494f613163bd10a80a89527d1a5b508ef45bbc3fcfaadac6e26.exe

  • Size

    66KB

  • MD5

    0720aacf93b98ea709117e80d2227972

  • SHA1

    5ef46f3867d4dbb193cd6deb9bcecf903c195e43

  • SHA256

    a1bc7f341a923494f613163bd10a80a89527d1a5b508ef45bbc3fcfaadac6e26

  • SHA512

    5a61548231c9402170d686b36f79363bb8665837cb67ebfc57236f358be1a6f7175c62e8e84d2bfee43f3d6983f794d95598607c24293b3c58e02ffd1a432016

  • SSDEEP

    1536:/qbSe+Zk78NR3dN5nPkb4yzwC132n6wkj7:/3e+a+3dN5cb4yzjwkH

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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3484
      • C:\Users\Admin\AppData\Local\Temp\a1bc7f341a923494f613163bd10a80a89527d1a5b508ef45bbc3fcfaadac6e26.exe
        "C:\Users\Admin\AppData\Local\Temp\a1bc7f341a923494f613163bd10a80a89527d1a5b508ef45bbc3fcfaadac6e26.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3404
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3220
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2844
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a42B6.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:400
            • C:\Users\Admin\AppData\Local\Temp\a1bc7f341a923494f613163bd10a80a89527d1a5b508ef45bbc3fcfaadac6e26.exe
              "C:\Users\Admin\AppData\Local\Temp\a1bc7f341a923494f613163bd10a80a89527d1a5b508ef45bbc3fcfaadac6e26.exe"
              4⤵
              • Executes dropped EXE
              PID:2140
          • 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:3244
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:5108
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4544
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4380
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:888

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            577KB

            MD5

            7a0fb448ae48d218747692677e9f2358

            SHA1

            0dd7c64ac679b53f6ea4dff785171f0b974f8b05

            SHA256

            9a27db75ae8ab54d79997b07762367621e37b19d692c7418333f4a01f79b4632

            SHA512

            4b230e989b796949dddc50eb05fb42fdea382df53dd1b928baf320f5c6cc73c926848be38cea8aca943c8bda8dc2150b5976f6da2fedcdec5609c0b5cb499485

          • 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\$$a42B6.bat

            Filesize

            722B

            MD5

            2b85ee4ef73cb756ca74577eb83a1d27

            SHA1

            a14589ce0eaf201d4de4f6b6f98d65c95e0b2588

            SHA256

            83b6bb56a3225151886e0af68740e1cb58c09bb2c6312deb719b180273bdfc2a

            SHA512

            c1ab3f1a4d11d0f7eda87c79ce52b9a47b2f745021a9674d0a420cce9aa806a42d887a3f58e1d290c6cd19903a169678adefe0b1e811d964515f5eb7615e978a

          • C:\Users\Admin\AppData\Local\Temp\a1bc7f341a923494f613163bd10a80a89527d1a5b508ef45bbc3fcfaadac6e26.exe.exe

            Filesize

            33KB

            MD5

            e27df2dd35f9e988ae5eb765cdf26dcf

            SHA1

            c21252dbf9e06e2d4492c3bbd6c29c41b5eb8440

            SHA256

            cdd28c680dd5ccaa7cc5accc72825a3705747717735e0a6a3f446bfdcb27b044

            SHA512

            8ea4e39586c42f983e07ab887e04147ab43757aa605997ad8487c64adbef51740ecc62b7030bbebf3bd962c65c1e66ee24d6d7e780b3e7ce0344f2bf2194ed50

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-2860750803-256193626-1801997576-1000\_desktop.ini

            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/3244-11-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/3244-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/3244-5224-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/3244-8780-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/3404-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/3404-10-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB