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Analysis

  • max time kernel
    110s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 20:54

General

  • Target

    a9e4ef6504c168c3834bb554ddbaf8f0N.exe

  • Size

    372KB

  • MD5

    a9e4ef6504c168c3834bb554ddbaf8f0

  • SHA1

    57047ef52fa004baa8d4245311c3212a2ffd0964

  • SHA256

    fbf826265e7f0a4d6b3db01f4ff96b30183e93bab1d6226df01b1becdddf70eb

  • SHA512

    14aaf09d234e2bba07330b4a700ee9b7dc4facf616dccf4390f574dfcd06949b1aec12d45e9c7ae8718d1512250d9589e5ee58e4c755816aebcdb21807126c6a

  • SSDEEP

    6144:BkLYyvZFsjpHQvXrlHyJzVJot3aERiLTwEYYs1Z:BkLYyourOWaE0TGY

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9e4ef6504c168c3834bb554ddbaf8f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\a9e4ef6504c168c3834bb554ddbaf8f0N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Windows\SysWOW64\sysctl.exe
      C:\Windows\system32\sysctl.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 184
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 192
      2⤵
      • Program crash
      PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\sysctl.exe

    Filesize

    373KB

    MD5

    85e113f768612bb207ce07add5a50a72

    SHA1

    edf10c7691aea1fae93574dab6ba45329962b7ce

    SHA256

    2b28e67b3462474ada96bc522fc466f9c81b27360b861a16d76d981c66b7a02b

    SHA512

    7b3533dfaf035997c23cd4358ed7bedc0850b24d4965c1dcc4ad9696588d257de412cdc473c0116162d772f8936a5b1f678432f949a758395f58632473086e58

  • memory/2688-2-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2688-14-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/2688-18-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/2832-10-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2832-15-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB