Analysis

  • max time kernel
    170s
  • max time network
    181s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-09-2021 20:21

General

  • Target

    PAYMENT COPY.exe

  • Size

    872KB

  • MD5

    a3279da350cf134f736629e5e55c0a41

  • SHA1

    d28cc3a2cc3e16cf38634cab8db41aacebf4709b

  • SHA256

    fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581

  • SHA512

    248040d33716b6f7fb5c0764380c67489d2acdc52784b2d8020faa57f09edc383ab7ecd85c297ef2516698e2cfa92e7d8edc8fc0c510263e5a2b91e1f650d79b

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
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 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 behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe
      "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2752
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:3424
      • C:\Windows\SysWOW64\autoconv.exe
        "C:\Windows\SysWOW64\autoconv.exe"
        2⤵
          PID:4060
        • C:\Windows\SysWOW64\NETSTAT.EXE
          "C:\Windows\SysWOW64\NETSTAT.EXE"
          2⤵
          • Suspicious use of SetThreadContext
          • Gathers network information
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2856
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
            3⤵
              PID:2672

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Command-Line Interface

        1
        T1059

        Discovery

        System Information Discovery

        1
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1484-127-0x0000000008480000-0x00000000084AB000-memory.dmp
          Filesize

          172KB

        • memory/1484-124-0x0000000005CC0000-0x0000000005CCE000-memory.dmp
          Filesize

          56KB

        • memory/1484-116-0x0000000000F30000-0x0000000000F31000-memory.dmp
          Filesize

          4KB

        • memory/1484-120-0x0000000005AF0000-0x0000000005AF1000-memory.dmp
          Filesize

          4KB

        • memory/1484-121-0x00000000059F0000-0x00000000059F1000-memory.dmp
          Filesize

          4KB

        • memory/1484-122-0x0000000005D00000-0x0000000005D01000-memory.dmp
          Filesize

          4KB

        • memory/1484-123-0x0000000005A50000-0x0000000005F4E000-memory.dmp
          Filesize

          5.0MB

        • memory/1484-118-0x0000000005950000-0x0000000005951000-memory.dmp
          Filesize

          4KB

        • memory/1484-125-0x000000007E460000-0x000000007E461000-memory.dmp
          Filesize

          4KB

        • memory/1484-126-0x0000000008400000-0x000000000847C000-memory.dmp
          Filesize

          496KB

        • memory/1484-119-0x0000000005F50000-0x0000000005F51000-memory.dmp
          Filesize

          4KB

        • memory/2672-134-0x0000000000000000-mapping.dmp
        • memory/2752-128-0x0000000000400000-0x0000000000429000-memory.dmp
          Filesize

          164KB

        • memory/2752-129-0x000000000041D3A0-mapping.dmp
        • memory/2752-131-0x00000000015B0000-0x00000000015C1000-memory.dmp
          Filesize

          68KB

        • memory/2752-130-0x0000000001A10000-0x0000000001D30000-memory.dmp
          Filesize

          3.1MB

        • memory/2856-133-0x0000000000000000-mapping.dmp
        • memory/2856-135-0x0000000000980000-0x000000000098B000-memory.dmp
          Filesize

          44KB

        • memory/2856-136-0x0000000002F30000-0x0000000002F59000-memory.dmp
          Filesize

          164KB

        • memory/2856-137-0x0000000003420000-0x0000000003740000-memory.dmp
          Filesize

          3.1MB

        • memory/2856-138-0x0000000003740000-0x00000000037D0000-memory.dmp
          Filesize

          576KB

        • memory/2996-132-0x0000000006EF0000-0x0000000007051000-memory.dmp
          Filesize

          1.4MB

        • memory/2996-139-0x0000000007060000-0x0000000007103000-memory.dmp
          Filesize

          652KB