Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20-09-2021 10:12

General

  • Target

    REMITTANCE COPY.exe

  • Size

    1.3MB

  • MD5

    01b0dffa7c000f4d55544eb38f8ab238

  • SHA1

    cfa6ae5441f0c41d5d92e0fab0eb90b44e0d621e

  • SHA256

    f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594

  • SHA512

    d55c5d8e942d5dfe74a4ece63b707fa2a6f5d8551ed268d08eab9258ab9d91371d13a2dd447eb860b71bcbb125d5a1948b61bf40a2b7321dde7d6d2ce83cb526

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c2ue

C2

http://www.heidevelop.xyz/c2ue/

Decoy

isportdata.com

stellarex.energy

hsucollections.com

menuhaisan.com

joe-tzu.com

lumichargemktg.com

uae.tires

rapidcae.com

softwaresystemsolutions.com

s-galaxy.website

daewon-talks.net

northgamesnetwork.com

catalogue-bouyguestele.com

criativanet.com

theseasonalshift.com

actionfoto.online

openmaildoe.com

trashpenguin.com

ennopure.net

azurermine.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY.exe
      "C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:412
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:2628
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3636
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY.exe"
          3⤵
            PID:3872

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/412-128-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB

      • memory/412-131-0x0000000001590000-0x00000000015A1000-memory.dmp
        Filesize

        68KB

      • memory/412-130-0x0000000001B90000-0x0000000001EB0000-memory.dmp
        Filesize

        3.1MB

      • memory/412-129-0x000000000041D3A0-mapping.dmp
      • memory/900-127-0x00000000095F0000-0x000000000961B000-memory.dmp
        Filesize

        172KB

      • memory/900-117-0x0000000005460000-0x0000000005461000-memory.dmp
        Filesize

        4KB

      • memory/900-121-0x0000000005520000-0x0000000005A1E000-memory.dmp
        Filesize

        5.0MB

      • memory/900-123-0x0000000005520000-0x0000000005A1E000-memory.dmp
        Filesize

        5.0MB

      • memory/900-122-0x0000000005520000-0x0000000005A1E000-memory.dmp
        Filesize

        5.0MB

      • memory/900-124-0x000000007F310000-0x000000007F311000-memory.dmp
        Filesize

        4KB

      • memory/900-125-0x00000000093E0000-0x00000000093EE000-memory.dmp
        Filesize

        56KB

      • memory/900-126-0x0000000009550000-0x00000000095CB000-memory.dmp
        Filesize

        492KB

      • memory/900-114-0x00000000009B0000-0x00000000009B1000-memory.dmp
        Filesize

        4KB

      • memory/900-119-0x0000000005520000-0x0000000005A1E000-memory.dmp
        Filesize

        5.0MB

      • memory/900-118-0x00000000055C0000-0x00000000055C1000-memory.dmp
        Filesize

        4KB

      • memory/900-120-0x0000000005500000-0x0000000005501000-memory.dmp
        Filesize

        4KB

      • memory/900-116-0x0000000005A20000-0x0000000005A21000-memory.dmp
        Filesize

        4KB

      • memory/3024-132-0x0000000005E30000-0x0000000005F4D000-memory.dmp
        Filesize

        1.1MB

      • memory/3024-139-0x0000000002630000-0x00000000026F8000-memory.dmp
        Filesize

        800KB

      • memory/3636-133-0x0000000000000000-mapping.dmp
      • memory/3636-135-0x00000000005C0000-0x00000000005E9000-memory.dmp
        Filesize

        164KB

      • memory/3636-134-0x0000000001020000-0x000000000103E000-memory.dmp
        Filesize

        120KB

      • memory/3636-137-0x0000000003380000-0x00000000036A0000-memory.dmp
        Filesize

        3.1MB

      • memory/3636-138-0x0000000003190000-0x0000000003220000-memory.dmp
        Filesize

        576KB

      • memory/3872-136-0x0000000000000000-mapping.dmp