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Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2024, 18:47

General

  • Target

    0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe

  • Size

    144KB

  • MD5

    3d51fa29f89f6ec782f0c6467068256f

  • SHA1

    976a83429aef53ad59b11b044a16e2c35df31229

  • SHA256

    0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398

  • SHA512

    7eef4edfa2c67c1ade9f6335a10860dc8c3a3c6626d0bdca108421d2c5efc549df669ce5eda0dd3a3d0df5ad73f0404ed032e82a1fe42c50313fe3da2fd6ac44

  • SSDEEP

    3072:l5SVkkgUgXC7AdYzrV+Dljy/32ubwZ/qJ:SUFCkdYzrVolu/J0Z/

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 4 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe
    "C:\Users\Admin\AppData\Local\Temp\0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe
      "C:\Users\Admin\AppData\Local\Temp\0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2756
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\YUIUG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1584
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "sidebar" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2944
      • C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
        "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1144
        • C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
          "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1916
        • C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
          "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    157B

    MD5

    f6a90c20834f271a907a4e2bc28184c2

    SHA1

    36c9d1602b74f622346fbb22693597d7889df48d

    SHA256

    73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

    SHA512

    39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

  • \Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe

    Filesize

    144KB

    MD5

    6923a65983d5e941eb04b7bbbbefda97

    SHA1

    f4ba5ecab88817ed87bb5e62c12ebf6709c02a81

    SHA256

    f288d36defd01484943552206cf2a985541aee42e8eba1a02bed1562f77264a7

    SHA512

    34d4f292f40747115b45e57414956db066c88fd423b5628a3b48d362c4038adf60f18822d12fcae005ca04920a06d0c0c17f9ff4925cb307d212271f5af8432b

  • memory/1916-936-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1916-1038-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2028-2-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2756-445-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2756-1033-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB