Analysis

  • max time kernel
    152s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16/06/2022, 09:47

General

  • Target

    ORDER N3819.xlsx

  • Size

    255KB

  • MD5

    cdfa41a744ed703285b377268108a2af

  • SHA1

    316f7c7129ca29c19d4227c78480bff784de29a3

  • SHA256

    ee473a7accd124448fb8eccd49328baa2cf597ea14d9d1b7a1dac80fc53057ad

  • SHA512

    93013216c4069348e279206b94f80e9826079ec1409cdd497aeb81e604935ba94398a400c779396034de4c5f3be5d10ada8c27c54edaa46e219357aa2d22c38f

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

oecd

Decoy

mrcrickethighlights.com

milozzo.com

biggorillacreative.com

pecwi67.store

stoneeast.com

redicredi.com

warrentonvalodging.com

lexbbc.com

acmet-shirtco.com

grocits.com

vlconstruction.info

jxstore1.com

lifeenrollmarketplace.com

wgr5n.xyz

710wgm.com

ccrdidkqpoxzrrpfpmcb.com

boswellbrothersofnc.net

girajewelry.com

primesukkah.com

daotengge.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 4 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\ORDER N3819.xlsx"
      2⤵
      • Enumerates system info in registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1648
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:804
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Users\Public\vbc.exe
      "C:\Users\Public\vbc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1656

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Public\vbc.exe

          Filesize

          632KB

          MD5

          f413642263b39b39fc90ea1ef32bcc01

          SHA1

          6ae21aa75be549567131a4d4acf4dfb68d40ecf7

          SHA256

          f62c3f81cd0f8db52470b8ca25ffae0c0eb20c202e90db9425e9904d3e673b8d

          SHA512

          71893e9a24e54af2acda3aea6cdc9be27c64287fb849b55b0ac0512b9aeda88a446f7054b6ccfc75668a9ce285235d970204817e786ab6409ae41a58dcd15af3

        • C:\Users\Public\vbc.exe

          Filesize

          632KB

          MD5

          f413642263b39b39fc90ea1ef32bcc01

          SHA1

          6ae21aa75be549567131a4d4acf4dfb68d40ecf7

          SHA256

          f62c3f81cd0f8db52470b8ca25ffae0c0eb20c202e90db9425e9904d3e673b8d

          SHA512

          71893e9a24e54af2acda3aea6cdc9be27c64287fb849b55b0ac0512b9aeda88a446f7054b6ccfc75668a9ce285235d970204817e786ab6409ae41a58dcd15af3

        • C:\Users\Public\vbc.exe

          Filesize

          632KB

          MD5

          f413642263b39b39fc90ea1ef32bcc01

          SHA1

          6ae21aa75be549567131a4d4acf4dfb68d40ecf7

          SHA256

          f62c3f81cd0f8db52470b8ca25ffae0c0eb20c202e90db9425e9904d3e673b8d

          SHA512

          71893e9a24e54af2acda3aea6cdc9be27c64287fb849b55b0ac0512b9aeda88a446f7054b6ccfc75668a9ce285235d970204817e786ab6409ae41a58dcd15af3

        • \Users\Public\vbc.exe

          Filesize

          632KB

          MD5

          f413642263b39b39fc90ea1ef32bcc01

          SHA1

          6ae21aa75be549567131a4d4acf4dfb68d40ecf7

          SHA256

          f62c3f81cd0f8db52470b8ca25ffae0c0eb20c202e90db9425e9904d3e673b8d

          SHA512

          71893e9a24e54af2acda3aea6cdc9be27c64287fb849b55b0ac0512b9aeda88a446f7054b6ccfc75668a9ce285235d970204817e786ab6409ae41a58dcd15af3

        • \Users\Public\vbc.exe

          Filesize

          632KB

          MD5

          f413642263b39b39fc90ea1ef32bcc01

          SHA1

          6ae21aa75be549567131a4d4acf4dfb68d40ecf7

          SHA256

          f62c3f81cd0f8db52470b8ca25ffae0c0eb20c202e90db9425e9904d3e673b8d

          SHA512

          71893e9a24e54af2acda3aea6cdc9be27c64287fb849b55b0ac0512b9aeda88a446f7054b6ccfc75668a9ce285235d970204817e786ab6409ae41a58dcd15af3

        • \Users\Public\vbc.exe

          Filesize

          632KB

          MD5

          f413642263b39b39fc90ea1ef32bcc01

          SHA1

          6ae21aa75be549567131a4d4acf4dfb68d40ecf7

          SHA256

          f62c3f81cd0f8db52470b8ca25ffae0c0eb20c202e90db9425e9904d3e673b8d

          SHA512

          71893e9a24e54af2acda3aea6cdc9be27c64287fb849b55b0ac0512b9aeda88a446f7054b6ccfc75668a9ce285235d970204817e786ab6409ae41a58dcd15af3

        • \Users\Public\vbc.exe

          Filesize

          632KB

          MD5

          f413642263b39b39fc90ea1ef32bcc01

          SHA1

          6ae21aa75be549567131a4d4acf4dfb68d40ecf7

          SHA256

          f62c3f81cd0f8db52470b8ca25ffae0c0eb20c202e90db9425e9904d3e673b8d

          SHA512

          71893e9a24e54af2acda3aea6cdc9be27c64287fb849b55b0ac0512b9aeda88a446f7054b6ccfc75668a9ce285235d970204817e786ab6409ae41a58dcd15af3

        • memory/804-89-0x0000000000920000-0x0000000000C23000-memory.dmp

          Filesize

          3.0MB

        • memory/804-88-0x0000000000120000-0x000000000014B000-memory.dmp

          Filesize

          172KB

        • memory/804-87-0x0000000000640000-0x0000000000648000-memory.dmp

          Filesize

          32KB

        • memory/1260-85-0x0000000006C10000-0x0000000006D19000-memory.dmp

          Filesize

          1.0MB

        • memory/1648-72-0x0000000071F9D000-0x0000000071FA8000-memory.dmp

          Filesize

          44KB

        • memory/1648-60-0x0000000071F9D000-0x0000000071FA8000-memory.dmp

          Filesize

          44KB

        • memory/1648-55-0x0000000070FB1000-0x0000000070FB3000-memory.dmp

          Filesize

          8KB

        • memory/1648-71-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1648-54-0x000000002F741000-0x000000002F744000-memory.dmp

          Filesize

          12KB

        • memory/1648-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1648-57-0x0000000071F9D000-0x0000000071FA8000-memory.dmp

          Filesize

          44KB

        • memory/1648-58-0x0000000075D21000-0x0000000075D23000-memory.dmp

          Filesize

          8KB

        • memory/1656-83-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

          Filesize

          3.0MB

        • memory/1656-78-0x0000000000400000-0x000000000042B000-memory.dmp

          Filesize

          172KB

        • memory/1656-82-0x0000000000400000-0x000000000042B000-memory.dmp

          Filesize

          172KB

        • memory/1656-84-0x00000000001A0000-0x00000000001B1000-memory.dmp

          Filesize

          68KB

        • memory/1656-76-0x0000000000400000-0x000000000042B000-memory.dmp

          Filesize

          172KB

        • memory/1656-75-0x0000000000400000-0x000000000042B000-memory.dmp

          Filesize

          172KB

        • memory/1696-68-0x0000000000FD0000-0x0000000001074000-memory.dmp

          Filesize

          656KB

        • memory/1696-74-0x00000000007B0000-0x00000000007E2000-memory.dmp

          Filesize

          200KB

        • memory/1696-73-0x0000000005100000-0x0000000005168000-memory.dmp

          Filesize

          416KB

        • memory/1696-70-0x0000000000250000-0x000000000025C000-memory.dmp

          Filesize

          48KB