Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 01:39

General

  • Target
    8da8d4749b7fc94828d81289ee8bd6277d3b892e530d2e4021dfc2f72e63605b.exe
  • Size 4.1MB
  • Sample240613-b3bjgszbpg
  • SHA256 8da8d4749b7fc94828d81289ee8bd6277d3b892e530d2e4021dfc2f72e63605b
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • 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 20 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3448
      • C:\Users\Admin\AppData\Local\Temp\8da8d4749b7fc94828d81289ee8bd6277d3b892e530d2e4021dfc2f72e63605b.exe
        "C:\Users\Admin\AppData\Local\Temp\8da8d4749b7fc94828d81289ee8bd6277d3b892e530d2e4021dfc2f72e63605b.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:932
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aE2BF.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1456
          • C:\Users\Admin\AppData\Local\Temp\8da8d4749b7fc94828d81289ee8bd6277d3b892e530d2e4021dfc2f72e63605b.exe
            "C:\Users\Admin\AppData\Local\Temp\8da8d4749b7fc94828d81289ee8bd6277d3b892e530d2e4021dfc2f72e63605b.exe"
            4⤵
            • Executes dropped EXE
            PID:4232
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • 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:2416
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:228
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:552
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4020,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=280 /prefetch:8
        1⤵
          PID:3112

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              GoogleUpdateCore.exe

              • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
              • Size 251KB
              • SHA256 f7d095c63ade32f4ba12501fb85ffb9f959d83c1e47076f2a05892339735715d
              • MD5 SHA1 SHA512 SSDEEP

              7z.exe

              • Path C:\Program Files\7-Zip\7z.exe
              • Size 570KB
              • SHA256 092a833945f414a5d27612b0c5e7ee7ba4e5f2f990d77fd6c02fc1a2800438e9
              • MD5 SHA1 SHA512 SSDEEP

              windowsdesktop-runtime-8.0.2-win-x64.exe

              • Path C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe
              • Size 636KB
              • SHA256 200d8896a4cf3d442567696ff425b2aeca8b87428173337c4f5b9022ae0d6ab0
              • MD5 SHA1 SHA512 SSDEEP

              $$aE2BF.bat

              • Path C:\Users\Admin\AppData\Local\Temp\$$aE2BF.bat
              • Size 722B
              • SHA256 7cdccf97ab5770280975f31b4345631abd67fe6dfcac1918ad24359292870c82
              • MD5 SHA1 SHA512

              8da8d4749b7fc94828d81289ee8bd6277d3b892e530d2e4021dfc2f72e63605b.exe.exe

              • Path C:\Users\Admin\AppData\Local\Temp\8da8d4749b7fc94828d81289ee8bd6277d3b892e530d2e4021dfc2f72e63605b.exe.exe
              • Size 4.1MB
              • SHA256 11842ca2705691a8bf75c33f355164a35a0a40ce1a16739123d3107f802a75a5
              • MD5 SHA1 SHA512 SSDEEP

              Logo1_.exe

              • Path C:\Windows\Logo1_.exe
              • Size 26KB
              • SHA256 23ffb3cc8727b16073e7944e36eabbf7b087f6923c78e88ed92c08b13af48671
              • MD5 SHA1 SHA512 SSDEEP

              _desktop.ini

              • Path F:\$RECYCLE.BIN\S-1-5-21-1181767204-2009306918-3718769404-1000\_desktop.ini
              • Size 9B
              • SHA256 47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42
              • MD5 SHA1 SHA512

              memory/932-9-0x0000000000400000-0x0000000000434000-memory.dmp

              memory/932-0-0x0000000000400000-0x0000000000434000-memory.dmp

              memory/2416-27-0x0000000000400000-0x0000000000434000-memory.dmp

              memory/2416-37-0x0000000000400000-0x0000000000434000-memory.dmp

              memory/2416-33-0x0000000000400000-0x0000000000434000-memory.dmp

              memory/2416-1237-0x0000000000400000-0x0000000000434000-memory.dmp

              memory/2416-20-0x0000000000400000-0x0000000000434000-memory.dmp

              memory/2416-4875-0x0000000000400000-0x0000000000434000-memory.dmp

              memory/2416-13-0x0000000000400000-0x0000000000434000-memory.dmp

              memory/2416-5320-0x0000000000400000-0x0000000000434000-memory.dmp