Analysis

  • max time kernel
    136s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    12-07-2024 00:06

General

  • Target

    GTA.exe

  • Size

    482KB

  • MD5

    a42f2337f34b5ab3e86586904263b2cb

  • SHA1

    38d59d75cfd8a726b4b6b4f8027a8e6e8da417fa

  • SHA256

    85375250e7f5a0de02abe57f649f3388c86bfc4d7162713858e41a82790613ee

  • SHA512

    da7c9bc8907fe933ba6cda9c97d6eacc63bd5303158444b91d23284b8c1e80e2c296cfc604f5b6801d5d319bf51d7e8171a6c65180338d18f00d2acd7175b619

  • SSDEEP

    12288:gp6I9KoS9AMwXQLT1WKOhNdg3NlWH49f5oW0aQ:g9LMwXQLT1AhLg3NlWH49f5oW0a

Malware Config

Signatures

  • UPX packed file 3 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GTA.exe
    "C:\Users\Admin\AppData\Local\Temp\GTA.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\Resource\Bins\CommandBars0.dll"
      2⤵
      • Modifies registry class
      PID:2732
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\Resource\Bins\Controls0.dll"
      2⤵
      • Modifies registry class
      PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NFAY0EOS\ip[1].htm

    Filesize

    15B

    MD5

    257e224772d8fd9b4f8b2e23efce87a2

    SHA1

    be61fe7107d164446ec3bed4f60a53cd5e9dfb13

    SHA256

    1bcad4b199514b1890afe59ee6091de9eb70f4ebfe771ae70844120311400d27

    SHA512

    c52e833895d94eab6db4058e09e888a43abcb86ddbc9a4e6947552cb0356265b58d26fe40d8dbf9b4fc7df407bf28cad8993cb79e4caaea126c7ee70a704c076

  • memory/2508-9-0x00000000079E0000-0x0000000007C1D000-memory.dmp

    Filesize

    2.2MB

  • memory/2508-3-0x00000000003B0000-0x0000000000400000-memory.dmp

    Filesize

    320KB

  • memory/2508-11-0x0000000007EE0000-0x000000000809B000-memory.dmp

    Filesize

    1.7MB

  • memory/2508-5-0x00000000003B0000-0x0000000000400000-memory.dmp

    Filesize

    320KB

  • memory/2508-17-0x0000000008B10000-0x0000000008B2B000-memory.dmp

    Filesize

    108KB

  • memory/2508-6-0x0000000000480000-0x0000000000496000-memory.dmp

    Filesize

    88KB

  • memory/2508-8-0x0000000002E80000-0x0000000002ECA000-memory.dmp

    Filesize

    296KB

  • memory/2508-18-0x00000000003B0000-0x0000000000400000-memory.dmp

    Filesize

    320KB

  • memory/2508-4-0x00000000003FD000-0x00000000003FF000-memory.dmp

    Filesize

    8KB

  • memory/2508-1-0x0000000000260000-0x000000000027D000-memory.dmp

    Filesize

    116KB

  • memory/2508-0-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2508-20-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2508-21-0x0000000000260000-0x000000000027D000-memory.dmp

    Filesize

    116KB

  • memory/2508-27-0x00000000003B0000-0x0000000000400000-memory.dmp

    Filesize

    320KB

  • memory/2508-26-0x00000000003FD000-0x00000000003FF000-memory.dmp

    Filesize

    8KB

  • memory/2508-38-0x00000000003B0000-0x0000000000400000-memory.dmp

    Filesize

    320KB

  • memory/2508-2-0x0000000000260000-0x000000000027D000-memory.dmp

    Filesize

    116KB