Analysis

  • max time kernel
    151s
  • max time network
    153s
  • 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, 15:43

General

  • Target
    1e67dd804b8304814df2b49185991a0b4b33269aa14221d591d7b2e393205ee0.exe
  • Size 92KB
  • Sample240603-s6aj2acd86
  • SHA256 1e67dd804b8304814df2b49185991a0b4b33269aa14221d591d7b2e393205ee0
  • 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 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3384
      • C:\Users\Admin\AppData\Local\Temp\1e67dd804b8304814df2b49185991a0b4b33269aa14221d591d7b2e393205ee0.exe
        "C:\Users\Admin\AppData\Local\Temp\1e67dd804b8304814df2b49185991a0b4b33269aa14221d591d7b2e393205ee0.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4836
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3116
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2888
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a1865.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2384
            • C:\Users\Admin\AppData\Local\Temp\1e67dd804b8304814df2b49185991a0b4b33269aa14221d591d7b2e393205ee0.exe
              "C:\Users\Admin\AppData\Local\Temp\1e67dd804b8304814df2b49185991a0b4b33269aa14221d591d7b2e393205ee0.exe"
              4⤵
              • Executes dropped EXE
              PID:4012
          • 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:572
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3912
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2860
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4568
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4192
          • 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=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:1500

            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 258KB
                  • SHA256 d83106c268ab64ec08d40f302737dfa31f64b8cf001808c9be207a6a51783596
                  • MD5 SHA1 SHA512 SSDEEP

                  7z.exe

                  • Path C:\Program Files\7-Zip\7z.exe
                  • Size 577KB
                  • SHA256 f79e6d72c11672df394a2c2f09f0a5e74c842d6e45b00b85d1f34024035a9b04
                  • 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

                  $$a1865.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\$$a1865.bat
                  • Size 722B
                  • SHA256 6921149e192ce2a3dab5f6693841bc5dc36f33bc02eead659debeb23bc921920
                  • MD5 SHA1 SHA512

                  1e67dd804b8304814df2b49185991a0b4b33269aa14221d591d7b2e393205ee0.exe.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\1e67dd804b8304814df2b49185991a0b4b33269aa14221d591d7b2e393205ee0.exe.exe
                  • Size 59KB
                  • SHA256 ff4ac75c02247000da084de006c214d3dd3583867bd3533ba788e22734c7a2bf
                  • MD5 SHA1 SHA512 SSDEEP

                  Logo1_.exe

                  • Path C:\Windows\Logo1_.exe
                  • Size 33KB
                  • SHA256 270c0ba07fbc7ae9462afa9525d71ee9af3d48c76fa7f35513197ed9ddfd5d63
                  • 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/572-68-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-4187-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-8769-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-247-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-820-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-1575-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-2436-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-8156-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-9-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-5293-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-18-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/572-5730-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/4836-12-0x0000000000400000-0x000000000043D000-memory.dmp

                  memory/4836-0-0x0000000000400000-0x000000000043D000-memory.dmp