Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 11:29

General

  • Target
    859c80a4f4f93c7d8d4fac3f9f8988bc588cb5d3cdddc2ca2a40498fcff1c1a6.exe
  • Size 258KB
  • Sample240603-nlt1qaeb55
  • SHA256 859c80a4f4f93c7d8d4fac3f9f8988bc588cb5d3cdddc2ca2a40498fcff1c1a6
  • MD5 SHA1 SHA512 SSDEEP
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:3300
      • C:\Users\Admin\AppData\Local\Temp\859c80a4f4f93c7d8d4fac3f9f8988bc588cb5d3cdddc2ca2a40498fcff1c1a6.exe
        "C:\Users\Admin\AppData\Local\Temp\859c80a4f4f93c7d8d4fac3f9f8988bc588cb5d3cdddc2ca2a40498fcff1c1a6.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:332
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4664
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:696
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a1519.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4308
            • C:\Users\Admin\AppData\Local\Temp\859c80a4f4f93c7d8d4fac3f9f8988bc588cb5d3cdddc2ca2a40498fcff1c1a6.exe
              "C:\Users\Admin\AppData\Local\Temp\859c80a4f4f93c7d8d4fac3f9f8988bc588cb5d3cdddc2ca2a40498fcff1c1a6.exe"
              4⤵
              • Executes dropped EXE
              PID:3468
          • 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:1120
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4060
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2348
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4804
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3964
          • 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 --mojo-platform-channel-handle=3972 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:3696

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  7z.exe

                  • Path C:\Program Files\7-Zip\7z.exe
                  • Size 577KB
                  • SHA256 b06c87413a21eb0c1bb294b1debfd2c9665fa655ad85320fa4c354b407089bc0
                  • MD5 SHA1 SHA512 SSDEEP

                  vcredist_x86.exe

                  • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
                  • Size 488KB
                  • SHA256 1b4d273efbdbb6a7d03027e2b308d1c520fc23378667c1d938c51c6dfd416944
                  • MD5 SHA1 SHA512 SSDEEP

                  $$a1519.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\$$a1519.bat
                  • Size 722B
                  • SHA256 8b40e254ae4c8d2bcb3c8796698592deae630e7df370493d77339731dca959b3
                  • MD5 SHA1 SHA512

                  859c80a4f4f93c7d8d4fac3f9f8988bc588cb5d3cdddc2ca2a40498fcff1c1a6.exe.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\859c80a4f4f93c7d8d4fac3f9f8988bc588cb5d3cdddc2ca2a40498fcff1c1a6.exe.exe
                  • Size 224KB
                  • SHA256 dd6dd981c7f1a6673dc8cc3a0fe1fc8a54e059a9fdb0545b0dc9258299c0c546
                  • MD5 SHA1 SHA512 SSDEEP

                  Logo1_.exe

                  • Path C:\Windows\Logo1_.exe
                  • Size 33KB
                  • SHA256 4dcb9f943ffca349a670c732643349c05eede33974b805debeeeda61576d695f
                  • MD5 SHA1 SHA512 SSDEEP

                  _desktop.ini

                  • Path F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\_desktop.ini
                  • Size 8B
                  • SHA256 d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208
                  • MD5 SHA1 SHA512

                  memory/332-8-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/332-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/1120-178-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/1120-10-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/1120-1036-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/1120-2468-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/1120-5290-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/1120-18-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/1120-7441-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/1120-8776-0x0000000000400000-0x000000000043D000-memory.dmp