Analysis

  • max time kernel
    150s
  • max time network
    50s
  • 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 19:14

General

  • Target

    86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe

  • Size

    97KB

  • MD5

    7ea77163982092dd805a7c2fcfee50d3

  • SHA1

    5580a874ae5f3c570d1e773a9c6185101a64d732

  • SHA256

    86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922

  • SHA512

    becfcd62ec0dfcfa0cff4c2f14d77cf4be5de3dd60c4fa9c1ae9e221dc2f2db4060744a3dffa000f95d5705f67c51ebb3eadcd104c60feaff6e309a683f661ce

  • SSDEEP

    1536:/qbSe+Zk78NR3dN5nPff88qP2CsRdxgwGGCIOunToIfiWdN:/3e+a+3dN5Xf8l2CHRGgKTBfik

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:3420
      • C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe
        "C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4748
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4608
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2592
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a48E0.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4508
            • C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe
              "C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe"
              4⤵
              • Executes dropped EXE
              PID:3664
          • 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:1464
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1648
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1048
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4076
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3124

          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\$$a48E0.bat

            Filesize

            722B

            MD5

            524986c282308e0c56dc0146dc59777f

            SHA1

            02abb5b2190f847f6471416ad435a0d7712cb020

            SHA256

            024fc0c469ec50fe8031870e2ef5112f918bdd9ae4b2628e9411297b6d3950f4

            SHA512

            9ca0db242484f4a1b7958f64aea5b41b79159573b7ba8bdcd1266c1657a8fe6ac32aa035d400982dcf6d9c8a8d13198c695590fc13768025633a94528094cd5d

          • C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe.exe

            Filesize

            64KB

            MD5

            ae6ce17005c63b7e9bf15a2a21abb315

            SHA1

            9b6bdfb9d648fa422f54ec07b8c8ea70389c09eb

            SHA256

            4a3387a54eeca83f3a8ff1f5f282f7966c9e7bfe159c8eb45444cab01b3e167e

            SHA512

            c883a5f599540d636efc8c0abc05aab7bad0aa1b10ab507f43f18e0fba905a10b94ff2f1ba10ae0fee15cc1b90a165a768dc078fda0ac27474f0eef66f6a11af

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

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

            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1464-10-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1464-17-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1464-5223-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1464-8775-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4748-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4748-8-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB