Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:49

General

  • Target

    dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe

  • Size

    91KB

  • MD5

    63706406a0a243c739f15f4a110bf9f2

  • SHA1

    ccfbdf558737a37fa0ea21fa2866b245b00bd3f8

  • SHA256

    dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6

  • SHA512

    93f98f36e57d306903e78e46732db9cdd186fbf2ae7916b4e34ae47c225385d87af4212633260db5cf4326d5d991b1602638bf53cd16d5959ce542e5a38d39bf

  • SSDEEP

    1536:0Y5QjE9xp1xB18pufIPkzxvWgcYCGbBRcb0WBPB9H7FPXiO5HSnouy8:00r9P1r7wPUO7ShiBl7FfiO5HKout

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe
    "C:\Users\Admin\AppData\Local\Temp\dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Windows\system32\MSWINSCK.OCX"
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:1452
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c cacls "C:\Program Files (x86)\E-yoo\EyooSechelper2.dll" /e /d everyone
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Windows\SysWOW64\cacls.exe
        cacls "C:\Program Files (x86)\E-yoo\EyooSechelper2.dll" /e /d everyone
        3⤵
          PID:1076
      • C:\Windows\SysWOW64\sc.exe
        sc config winmgmt start= demand
        2⤵
        • Launches sc.exe
        PID:1080
      • C:\Windows\SysWOW64\sc.exe
        sc start winmgmt
        2⤵
        • Launches sc.exe
        PID:1408

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\MSWINSCK.OCX

      Filesize

      105KB

      MD5

      9484c04258830aa3c2f2a70eb041414c

      SHA1

      b242a4fb0e9dcf14cb51dc36027baff9a79cb823

      SHA256

      bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

      SHA512

      9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

    • \Windows\SysWOW64\MSWINSCK.OCX

      Filesize

      105KB

      MD5

      9484c04258830aa3c2f2a70eb041414c

      SHA1

      b242a4fb0e9dcf14cb51dc36027baff9a79cb823

      SHA256

      bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

      SHA512

      9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

    • \Windows\SysWOW64\MSWINSCK.OCX

      Filesize

      105KB

      MD5

      9484c04258830aa3c2f2a70eb041414c

      SHA1

      b242a4fb0e9dcf14cb51dc36027baff9a79cb823

      SHA256

      bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

      SHA512

      9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

    • memory/940-62-0x0000000000000000-mapping.dmp

    • memory/1076-63-0x0000000000000000-mapping.dmp

    • memory/1080-64-0x0000000000000000-mapping.dmp

    • memory/1408-65-0x0000000000000000-mapping.dmp

    • memory/1452-57-0x0000000000000000-mapping.dmp

    • memory/1452-58-0x0000000075981000-0x0000000075983000-memory.dmp

      Filesize

      8KB

    • memory/1980-56-0x0000000000400000-0x0000000000499000-memory.dmp

      Filesize

      612KB

    • memory/1980-67-0x0000000000400000-0x0000000000499000-memory.dmp

      Filesize

      612KB