Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15/07/2024, 09:40

General

  • Target

    bcd163f1a00912ad0ec5d95af67131c0N.exe

  • Size

    88KB

  • MD5

    bcd163f1a00912ad0ec5d95af67131c0

  • SHA1

    047ffb8b8848244100c02db89925c65e2a13a752

  • SHA256

    16fb6690885caaed43d92b15c9f587f62b6cf5ede74e8661656b2ff64e90ee2f

  • SHA512

    aad8b3f644210bee1b8880bb908cee23fc997871d57273f2aaba8af9ad089f513838930654d3340bc7facc25724389d92f3cce2b38f24af2b626d4e50cb7de1f

  • SSDEEP

    1536:ahUDofByDJWbMGcEFLPEPKOJUsy1+VMA:aIofBHbKMP0PvMA

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcd163f1a00912ad0ec5d95af67131c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\bcd163f1a00912ad0ec5d95af67131c0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\bcd163f1a00912ad0ec5d95af67131c0N.exe
      "C:\Users\Admin\AppData\Local\Temp\bcd163f1a00912ad0ec5d95af67131c0N.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1964
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\MLTKU.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:480
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Video Driver" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\config\explorer.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1412
      • C:\Users\Admin\AppData\Roaming\config\explorer.exe
        "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:316
        • C:\Users\Admin\AppData\Roaming\config\explorer.exe
          "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1640
        • C:\Users\Admin\AppData\Roaming\config\explorer.exe
          "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1456
          • C:\Users\Admin\AppData\Roaming\config\explorer.exe
            "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
            5⤵
            • Executes dropped EXE
            • Modifies system certificate store
            PID:2908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          342B

          MD5

          c4ac99984422d14d8e4b346690e37652

          SHA1

          93437719a15c4448f2beea3f680fd5cc98a565ac

          SHA256

          7603a379fc8f65e5eb24c708d27ac1d92199bd8dff4701484d4de5e506d520fa

          SHA512

          ffd5c349a423fefa4bd62fee5aaf86a86affd75467de4bf461498a7e2f6544b8178fbd00a97dbcb82e3eaba6310521c5f052d1b7f437dda20d753ba13e6651ca

        • C:\Users\Admin\AppData\Local\Temp\Cab8EF9.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\MLTKU.bat

          Filesize

          149B

          MD5

          fc1798b7c7938454220fda837a76f354

          SHA1

          b232912930b2bc24ff18bf7ecd58f872bbe01ea0

          SHA256

          7f0a5917b5aca9c5beb153aad0ef95bf0aeafb83768da5b086c3f029ba42d7c8

          SHA512

          d1abdd45a8e5d33893b9d19424174a07feed145d2e6b4be318ab5fde503f850579a4a101a010f30e16ecde2c7123f45357a8341214655321ee0f0097ca911331

        • C:\Users\Admin\AppData\Local\Temp\Tar8F0B.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • \Users\Admin\AppData\Roaming\config\explorer.exe

          Filesize

          88KB

          MD5

          f411e36b4d3764fcd35d7f110dd2429d

          SHA1

          58f6abb98d4d5be45b424f60e115df96825c633e

          SHA256

          64d301b1855b1b13060337b1d8a5f50ab41e544bc777f1ca8f4318f66720938a

          SHA512

          a3b3b0cdbc72619d175284e2efd8fe56986cfdd162d23d050faf5cb8122df1af08ef3b8872355d1d68c880b66dc441ad68aea666bf8a4004282e0ba7842e932b

        • memory/1456-332-0x0000000000400000-0x0000000000403000-memory.dmp

          Filesize

          12KB

        • memory/1456-316-0x0000000000400000-0x0000000000403000-memory.dmp

          Filesize

          12KB

        • memory/1640-483-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1640-315-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1964-139-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1964-145-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1964-319-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1964-135-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1964-137-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1964-144-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1964-141-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1964-142-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2208-2-0x00000000003B0000-0x00000000003B1000-memory.dmp

          Filesize

          4KB

        • memory/2208-128-0x0000000002590000-0x0000000002591000-memory.dmp

          Filesize

          4KB

        • memory/2208-129-0x00000000025A0000-0x00000000025A1000-memory.dmp

          Filesize

          4KB

        • memory/2208-130-0x00000000025B0000-0x00000000025B1000-memory.dmp

          Filesize

          4KB

        • memory/2208-131-0x00000000025C0000-0x00000000025C1000-memory.dmp

          Filesize

          4KB

        • memory/2208-132-0x00000000025D0000-0x00000000025D1000-memory.dmp

          Filesize

          4KB

        • memory/2208-127-0x0000000001E70000-0x0000000001E71000-memory.dmp

          Filesize

          4KB

        • memory/2208-133-0x00000000025E0000-0x00000000025E1000-memory.dmp

          Filesize

          4KB

        • memory/2208-134-0x00000000025F0000-0x00000000025F1000-memory.dmp

          Filesize

          4KB

        • memory/2208-61-0x0000000001E50000-0x0000000001E51000-memory.dmp

          Filesize

          4KB

        • memory/2208-62-0x0000000001E60000-0x0000000001E61000-memory.dmp

          Filesize

          4KB

        • memory/2208-58-0x0000000001E40000-0x0000000001E41000-memory.dmp

          Filesize

          4KB