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Analysis

  • max time kernel
    172s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 19:30

General

  • Target

    134667eda244e0bdc151e0c969855fbe55d5af5db8f5e92acf6675d55085d1d1.exe

  • Size

    160KB

  • MD5

    14a43c0702a81207bdbd22761aaea451

  • SHA1

    9da9b834dea2a7264594df45816c34e3398038a8

  • SHA256

    134667eda244e0bdc151e0c969855fbe55d5af5db8f5e92acf6675d55085d1d1

  • SHA512

    16131d4c2bea45f67ca385b220f33175a4ca6ff8a565cdda1c6b187cb97fc3dc827c4cdf2a1e186ba862c686413a7f4c326dd86a78d462fc0f20470256ea85d4

  • SSDEEP

    1536:F+gDbKlmyJKz5jR7766dxocisPfDsCUjhe+SPBp9oEoTTLgY++++1sY+++++ZDdM:FxbkuVbvLn7Uj3

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 9 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\134667eda244e0bdc151e0c969855fbe55d5af5db8f5e92acf6675d55085d1d1.exe
    "C:\Users\Admin\AppData\Local\Temp\134667eda244e0bdc151e0c969855fbe55d5af5db8f5e92acf6675d55085d1d1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\134667eda244e0bdc151e0c969855fbe55d5af5db8f5e92acf6675d55085d1d1.exe
      "C:\Users\Admin\AppData\Local\Temp\134667eda244e0bdc151e0c969855fbe55d5af5db8f5e92acf6675d55085d1d1.exe"
      2⤵
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\UKGFS.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1984
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "xplorer" /t REG_SZ /d "C:\Windows\xplorer\xplorer.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1952
      • C:\Windows\xplorer\xplorer.exe
        "C:\Windows\xplorer\xplorer.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1136
        • C:\Windows\xplorer\xplorer.exe
          "C:\Windows\xplorer\xplorer.exe"
          4⤵
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:516
        • C:\Windows\xplorer\xplorer.exe
          "C:\Windows\xplorer\xplorer.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2036
          • C:\Windows\syswow64\svchost.exe
            C:\Windows\syswow64\svchost.exe
            5⤵
            • Adds policy Run key to start application
            • Drops file in Program Files directory
            • Drops file in Windows directory
            PID:976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    124B

    MD5

    4e6e99d38b1264af2b53a68c7cd6d648

    SHA1

    55ffe17732d1d9c539d702a1311ef9674fe7b3cf

    SHA256

    168d9cdf4849fde3b4817db207e60934b6c877be439289f3fb3a4eb9e4326ff0

    SHA512

    bde21abed1bfc3dbdd6afc83614aa27c3f33dfbb434e139523ac57ecd84875b0e96a241f5828eda0b055f787ec7f95850b0f4ab0ee752ac36484b2bfd78a859d

  • C:\Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • C:\Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • C:\Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • C:\Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • \Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • \Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • \Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • \Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • \Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • \Windows\xplorer\xplorer.exe

    Filesize

    160KB

    MD5

    427c757769a0ab997f868b41eac4d77b

    SHA1

    7f3f793d2b1c0effb1f7a953f0f640171bc1e43e

    SHA256

    51ffdd0710e2058e4459b458b16834f2dff66dc44532c060b5ebbc7190d6f5d4

    SHA512

    75674454374068b330ffa4659d710a06db7252bdc21a32b949471686f6a4665e40796d3b5926b048dd1e1ebb6ffbf273a53c75ada7b3ac05f966381e77f0c4ab

  • memory/516-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/516-112-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/976-110-0x0000000000080000-0x0000000000085000-memory.dmp

    Filesize

    20KB

  • memory/976-111-0x0000000000020000-0x0000000000025000-memory.dmp

    Filesize

    20KB

  • memory/976-109-0x0000000000850000-0x0000000000858000-memory.dmp

    Filesize

    32KB

  • memory/976-113-0x0000000000020000-0x0000000000025000-memory.dmp

    Filesize

    20KB

  • memory/1136-102-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/1644-65-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1644-74-0x0000000002CB0000-0x0000000002CEB000-memory.dmp

    Filesize

    236KB

  • memory/1644-57-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1644-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1644-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1644-63-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1644-69-0x0000000075921000-0x0000000075923000-memory.dmp

    Filesize

    8KB

  • memory/1644-68-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1644-56-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1644-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1680-64-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2036-105-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/2036-98-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/2036-94-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/2036-93-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB