Overview

overview

8

Static

static

5

eeaa3fe285...3N.exe

windows7-x64

8

eeaa3fe285...3N.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    97s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 15:44

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General

  • Target

    eeaa3fe2855735a54600b115ead7fa3052a474384820f86f25bdad2e3822e053N.exe

  • Size

    53KB

  • MD5

    fc26b52e08aaf3cd955235b2f577dc60

  • SHA1

    4d37cabaa37d80d9ea1b5001b20461c2eb17c938

  • SHA256

    eeaa3fe2855735a54600b115ead7fa3052a474384820f86f25bdad2e3822e053

  • SHA512

    f92b93fc7cad9e3d312bc18a36715a650a106cf597f8c92f6e85639ece655d9af195149632caf1c84e7080aba4e06fb1b1b964cd25ff3ccfa232f95cab90c749

  • SSDEEP

    768:YeU70/3OTCiLRPc2hk95lNWfcyYZVfSRctLBkmfOPs1ghgSZLSep7TO:Yec0/eTCw3k/lEk/ZBSwVuTg82ep7y

Score
8/10
adwarebootkitdiscoverypersistencestealerupx

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • 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.

    bootkitpersistence
  • Drops file in System32 directory 4 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eeaa3fe2855735a54600b115ead7fa3052a474384820f86f25bdad2e3822e053N.exe
    "C:\Users\Admin\AppData\Local\Temp\eeaa3fe2855735a54600b115ead7fa3052a474384820f86f25bdad2e3822e053N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s C:\Windows\System32\zfige.dll
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2560
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 zfig0.dll , InstallMyDll
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1176
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s C:\Windows\System32\ffvd_1.dll
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2332
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 375519961O57540.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1884

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\375519961O57540.bat
          Filesize

          2KB

          MD5

          44e9a04bc46f3bc0f8bf11ea74fcaf23

          SHA1

          ec7946e05a0c402655225c81d9b78ca19cdc115b

          SHA256

          668c46fc07f584e6f9ca5429da52f3ab3d3e61ee2b640a3b585db66a1f4f5b4d

          SHA512

          27eea391abdffb0e18887070308f7eb92b779595811f435b14d37ede749139dbe98d84319e6a28c3750f14e6f07c2b678a8631df048f7206da86a1a98e7fafc7

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        • C:\Windows\SysWOW64\ffvd_1.dll
          Filesize

          36KB

          MD5

          7c87e67d35a0ebbfd3628b0a3644966b

          SHA1

          a498103a86e07620558d831ec03344ae989535f6

          SHA256

          57091f7607d68ea9c87706fd1a9f8dd30164a20edebf209e66c578079bb5e9f0

          SHA512

          ccc719e11961617451aa39cd89e7684b6754b7d1087d327b69ff5225320e0d5763cc2584f9c299d17917f2aba5fdb93ad8c1dffbb11951e911d339b1f6ed16a9

          Download Submit

        • C:\Windows\SysWOW64\zfig0.dll
          Filesize

          116KB

          MD5

          15d85e7dcd81a8659fb0bc8c0d19bb80

          SHA1

          624f4a7ba0c0fcb878741e77d69f789e9bf151f0

          SHA256

          153f427af6a9530792463fef75067f335aca4477d9da0047d699c4a2dec3b9c1

          SHA512

          d7bada8e5567eeddd7efa20c663aabb85c896f551a3ca077bbd7bb7bde8d67013d7dd0022d50e452d1fcc354e24f86aa90e42dd2412368efc8d8fa79e69e0c79

          Download Submit

        • C:\Windows\SysWOW64\zfige.dll
          Filesize

          40KB

          MD5

          b7b24d678dc8b9510e014f8852d084d2

          SHA1

          2dc639acc6f7bca60676347cd43457fab341ad56

          SHA256

          1fba4c04fc86fafddd65dd785e13e06bd885d3ae057505335c1564e9e1851537

          SHA512

          7309b131eb3f6cee1be06cac0d632eb3ae9bd0e133d28aa2f00cd3b577699ba8d562faddfb25034dd4d109b681d6d226b0afca0cd9db6e2077abc008d9a1e16b

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        • memory/5084-0-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

          Download

        • memory/5084-7-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

          Download

        • memory/5084-15-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

          Download