Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19-07-2024 09:13

General

  • Target

    $PLUGINSDIR/feczzkflxf.dll

  • Size

    30KB

  • MD5

    895a48f7b6d967eb813de8f96b0aca55

  • SHA1

    821be080225a3415d6db2e6b269e841b0605ad93

  • SHA256

    f00a637108b667cb6fc1c265c6e0fdcf650156d3100a6de084d430971ed03393

  • SHA512

    5acd3940d4f55124c32a49325bdc8d59f2805882ea2c43b9b92db95861fb19ed3971a98f82cf3fffae42c2d243dbe2aaac05f50760adac4afd6a4065374dca60

  • SSDEEP

    768:nYYsBQJDh7wN4Ce10NUW5gPO8P9MOVnF06ZTt07IKt:nIBQJDPGgPO8P9vnF06P07J

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ou3t

Decoy

toteitwithtara.com

scienbunny.com

stlukeumcaustin.com

hypnoticbeauty.net

artisanmakefurniture.com

usaonlinedrs.com

lifeshopdeluxe.com

paddlethepoosa.com

mobilismedlabs.net

iwumenssoccercamps.com

fjgsdgr.com

excelsiorhongkong.online

air.ink

grantopwincup.website

appi50dh.com

link-efootballpoin-konami.com

hukugiyho-life-no1.moe

azevedogroupdev.com

nichemedicalsupport.com

rastipponmkh.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 4 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\feczzkflxf.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\feczzkflxf.dll,#1
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2088
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\feczzkflxf.dll,#1
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1220
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2840
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\rundll32.exe"
        3⤵
          PID:2696

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1188-7-0x0000000004F40000-0x0000000005019000-memory.dmp

      Filesize

      868KB

    • memory/1188-17-0x0000000005250000-0x0000000005373000-memory.dmp

      Filesize

      1.1MB

    • memory/1188-12-0x0000000005250000-0x0000000005373000-memory.dmp

      Filesize

      1.1MB

    • memory/1188-9-0x0000000004F40000-0x0000000005019000-memory.dmp

      Filesize

      868KB

    • memory/1220-3-0x00000000020D0000-0x00000000023D3000-memory.dmp

      Filesize

      3.0MB

    • memory/1220-5-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/1220-6-0x00000000001E0000-0x00000000001F1000-memory.dmp

      Filesize

      68KB

    • memory/1220-11-0x0000000000220000-0x0000000000231000-memory.dmp

      Filesize

      68KB

    • memory/1220-10-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/1220-1-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/2088-0-0x0000000010000000-0x000000001000B000-memory.dmp

      Filesize

      44KB

    • memory/2088-2-0x0000000010000000-0x000000001000B000-memory.dmp

      Filesize

      44KB

    • memory/2840-14-0x000000004A3A0000-0x000000004A3EC000-memory.dmp

      Filesize

      304KB

    • memory/2840-13-0x000000004A3A0000-0x000000004A3EC000-memory.dmp

      Filesize

      304KB

    • memory/2840-15-0x0000000000080000-0x00000000000A9000-memory.dmp

      Filesize

      164KB