Analysis

  • max time kernel
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 20:17

General

  • Target

    4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe

  • Size

    251KB

  • MD5

    ac33eaae06e9f601dc5dbc9ad3b36406

  • SHA1

    c3fdb662ed219ca12e1d3bb9fd8e4d37cf8a3e71

  • SHA256

    4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f

  • SHA512

    8fb842283ce4333a79e08fe6e11504cf8d760c31bc9a91ef5a793e1d95dac53b9124dfc98e5735545bfb5c11b795c468449bdba56071188d11d13d3e44f327fe

  • SSDEEP

    6144:m+aM2QZbO5JCSZT0wwla4G13CmdxLzI9LTB5xnmT:m+aMhbuJcfcXbz0Tfxo

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:3556
      • C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe
        "C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3364
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4552
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4200
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3D09.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:368
            • C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe
              "C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe"
              4⤵
              • Executes dropped EXE
              PID:2268
          • 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:1740
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:5116
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4892
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4780
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:5016

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Credential Access

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          System Information Discovery

          1
          T1082

          Collection

          Data from Local System

          1
          T1005

          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\$$a3D09.bat
            Filesize

            722B

            MD5

            e9a6190b2aea60bd64049d23f9f9e456

            SHA1

            d8d33fce632597a285dd59e12f9d36b345db404b

            SHA256

            7d874498406fd405a3e5a6420f229297098483e8f2b092c65529509842b6ebf3

            SHA512

            194f51cb828e63121df2ff637ce849ac8e097c0ccff252a0c5154ebfeddd3e8141b01f9746a5df547f0622cfd8c79e7e10a6c534358681193514fd05f6500594

          • C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe.exe
            Filesize

            218KB

            MD5

            5f1707646575d375c50155832477a437

            SHA1

            9bcba378189c2f1cb00f82c0539e0e9b8ff0b6c1

            SHA256

            75d348a3330bc527b2b2ff8a0789f711bd51461126f8df0c0aa1647e9d976809

            SHA512

            2f55dd13abfeb5af133ac5afb43c90fd10618e8fb241f50529241cff7987fff382cf151146855c37ad8ae0401b34f6d9aa32cbec03cdd67a224dfe247bad6c99

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-3906287020-2915474608-1755617787-1000\_desktop.ini
            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1740-11-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1740-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1740-5220-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1740-8704-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/3364-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/3364-10-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB