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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    23/09/2023, 05:12

General

  • Target

    426b18d6ef1280bc4c2d4746c58aa6b4d80ca198ca53d6bc8b5d509067cbb018.exe

  • Size

    2.8MB

  • MD5

    256dd5ebd731d0776f4e5cd0dfd61faa

  • SHA1

    3305d0c8749e172c56f8823ca8aff5359484d96c

  • SHA256

    426b18d6ef1280bc4c2d4746c58aa6b4d80ca198ca53d6bc8b5d509067cbb018

  • SHA512

    c9113cee8f6c92a7ddd63e766d0ada9239327a6d635442259174845d5fcf8f0feee6312fe715917c8ca11f14c20e3a1f22d2264f9a14c55d6937abf34a1c2123

  • SSDEEP

    49152:3C6gLKJuMarhVnMFwTH8/giBiBcbk4ZxZ2DqFeVMhuxcPh:3Hd1XdhBiiMa7

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 43 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1268
      • C:\Users\Admin\AppData\Local\Temp\426b18d6ef1280bc4c2d4746c58aa6b4d80ca198ca53d6bc8b5d509067cbb018.exe
        "C:\Users\Admin\AppData\Local\Temp\426b18d6ef1280bc4c2d4746c58aa6b4d80ca198ca53d6bc8b5d509067cbb018.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1444
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1596
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2124
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a4144.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            PID:2280
            • C:\Users\Admin\AppData\Local\Temp\426b18d6ef1280bc4c2d4746c58aa6b4d80ca198ca53d6bc8b5d509067cbb018.exe
              "C:\Users\Admin\AppData\Local\Temp\426b18d6ef1280bc4c2d4746c58aa6b4d80ca198ca53d6bc8b5d509067cbb018.exe"
              4⤵
              • Executes dropped EXE
              PID:2776
          • 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:1864
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2764
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2552
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2716
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2128

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

            Filesize

            258KB

            MD5

            806c56b4f1c79375f1f1283272042133

            SHA1

            13639705ca7ba144fe7fbf9d91cbf94204dee251

            SHA256

            e114ca92444ee60417e23449cd9df3f2dbb0f03b89a820ac239b96d3f4c7340d

            SHA512

            6c4e0242baea4236a092d87d5553e27ea40d6fca260b01fd4260f1e83a2aa0f71c06ac9b4cc10a661b80286addb0370df39ef8327a5ab73f7b795a80f8191ac7

          • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

            Filesize

            478KB

            MD5

            72c34333e3dbd45b5766d444f1d55b09

            SHA1

            434ba6612e225de1883f1259e237dd2d451898c6

            SHA256

            cb0ce66f231069c917c9038ef008e456213a0766d89ec65b369243a9668e9080

            SHA512

            b52d0e80b16fe4db8cf7a0bc9bd0adf26dbac25ea68ae754dcde17f146cc494ee1a0c0b97f20236d840f7e286be0e3e5eab342f694af8876edef93b240c16fe8

          • C:\Users\Admin\AppData\Local\Temp\$$a4144.bat

            Filesize

            722B

            MD5

            ed843ba2f79fea0f87e64087b7600b8f

            SHA1

            bea4c61bc63ecee2d65d367d862d51f42e220897

            SHA256

            9895c44b26bc4963b5a274169f551b87609719ea5e01db557182b9d55c07339b

            SHA512

            6858230d83305863d62d677ff06a6a7ccef788334fae472be9ad368a181cdcc0401edcfe3162d5682d926f98841d70076462db27a7bf639865e574f2ca4acee7

          • C:\Users\Admin\AppData\Local\Temp\$$a4144.bat

            Filesize

            722B

            MD5

            ed843ba2f79fea0f87e64087b7600b8f

            SHA1

            bea4c61bc63ecee2d65d367d862d51f42e220897

            SHA256

            9895c44b26bc4963b5a274169f551b87609719ea5e01db557182b9d55c07339b

            SHA512

            6858230d83305863d62d677ff06a6a7ccef788334fae472be9ad368a181cdcc0401edcfe3162d5682d926f98841d70076462db27a7bf639865e574f2ca4acee7

          • C:\Users\Admin\AppData\Local\Temp\426b18d6ef1280bc4c2d4746c58aa6b4d80ca198ca53d6bc8b5d509067cbb018.exe

            Filesize

            2.8MB

            MD5

            095092f4e746810c5829038d48afd55a

            SHA1

            246eb3d41194dddc826049bbafeb6fc522ec044a

            SHA256

            2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

            SHA512

            7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

          • C:\Users\Admin\AppData\Local\Temp\426b18d6ef1280bc4c2d4746c58aa6b4d80ca198ca53d6bc8b5d509067cbb018.exe.exe

            Filesize

            2.8MB

            MD5

            095092f4e746810c5829038d48afd55a

            SHA1

            246eb3d41194dddc826049bbafeb6fc522ec044a

            SHA256

            2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

            SHA512

            7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            0b6156999b5b4bfd7c933e0272c7d732

            SHA1

            c828379a55ade751d43929827ae928773ee7da29

            SHA256

            7bc8d0e4ec426448c34caa6c599b7d93a37263ac7e783dc7adae46aa04305cbd

            SHA512

            0e32d0a67572b5f5619ea4ddac07ecd12d2bbac1b442a4af3d87992439a2e443557383f1545020b5650e6a1225d0f0c8aec12e2889fe0d8e852720ceed12dd5f

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            0b6156999b5b4bfd7c933e0272c7d732

            SHA1

            c828379a55ade751d43929827ae928773ee7da29

            SHA256

            7bc8d0e4ec426448c34caa6c599b7d93a37263ac7e783dc7adae46aa04305cbd

            SHA512

            0e32d0a67572b5f5619ea4ddac07ecd12d2bbac1b442a4af3d87992439a2e443557383f1545020b5650e6a1225d0f0c8aec12e2889fe0d8e852720ceed12dd5f

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            0b6156999b5b4bfd7c933e0272c7d732

            SHA1

            c828379a55ade751d43929827ae928773ee7da29

            SHA256

            7bc8d0e4ec426448c34caa6c599b7d93a37263ac7e783dc7adae46aa04305cbd

            SHA512

            0e32d0a67572b5f5619ea4ddac07ecd12d2bbac1b442a4af3d87992439a2e443557383f1545020b5650e6a1225d0f0c8aec12e2889fe0d8e852720ceed12dd5f

          • C:\Windows\rundl132.exe

            Filesize

            33KB

            MD5

            0b6156999b5b4bfd7c933e0272c7d732

            SHA1

            c828379a55ade751d43929827ae928773ee7da29

            SHA256

            7bc8d0e4ec426448c34caa6c599b7d93a37263ac7e783dc7adae46aa04305cbd

            SHA512

            0e32d0a67572b5f5619ea4ddac07ecd12d2bbac1b442a4af3d87992439a2e443557383f1545020b5650e6a1225d0f0c8aec12e2889fe0d8e852720ceed12dd5f

          • F:\$RECYCLE.BIN\S-1-5-21-2180306848-1874213455-4093218721-1000\_desktop.ini

            Filesize

            9B

            MD5

            03a43141897af885fcc64a27583fc743

            SHA1

            4aff71defd4db3cf0c35a21d2aeffec631855787

            SHA256

            ffdcc2d1df4bcccda5ec03dbbc90933e7ea21cfc4fb6aeb60d32b8e63be4167e

            SHA512

            2c742b215ae22c74c8af44dc77cf06cbc70c2c0cace3fb15d7f5c27ef506b304f723bdb1cb7584045ab0ea97ecddcf882208d9c5b8b48690dbcc6b987321ccbe

          • \Users\Admin\AppData\Local\Temp\426b18d6ef1280bc4c2d4746c58aa6b4d80ca198ca53d6bc8b5d509067cbb018.exe

            Filesize

            2.8MB

            MD5

            095092f4e746810c5829038d48afd55a

            SHA1

            246eb3d41194dddc826049bbafeb6fc522ec044a

            SHA256

            2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

            SHA512

            7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

          • memory/1268-27-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1444-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1444-16-0x00000000002D0000-0x000000000030D000-memory.dmp

            Filesize

            244KB

          • memory/1444-15-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1864-31-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1864-19-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1864-1178-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1864-3286-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1864-4047-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB