Analysis

  • max time kernel
    148s
  • max time network
    198s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    23-09-2021 07:14

General

  • Target

    PAYMENT COPY.exe

  • Size

    1005KB

  • MD5

    9204ace7a5758570dbd35a19530591c5

  • SHA1

    69e92bf2483d4224bc3d0d2f6abb0d37810774df

  • SHA256

    ed4ba3559a925d94bd2917dd5d4247d84e904b1e8423c21e40a0b9efc7b295d6

  • SHA512

    7a78026223945e38d8c3364486585cd64658b4f4063b4ba3ba9a6d26ce435f598d9d829448a2de4ebfe6ffb5908a47bdc37378836a21bd69de31ef89d869c500

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
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe
      "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe
        "{path}"
        3⤵
          PID:1776
        • 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:1780
      • 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:1716
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
          3⤵
          • Deletes itself
          PID:1680

    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/1208-69-0x0000000003DE0000-0x0000000003EDF000-memory.dmp
      Filesize

      1020KB

    • memory/1208-76-0x0000000006150000-0x00000000062D2000-memory.dmp
      Filesize

      1.5MB

    • memory/1680-71-0x0000000000000000-mapping.dmp
    • memory/1716-75-0x0000000001FF0000-0x0000000002080000-memory.dmp
      Filesize

      576KB

    • memory/1716-72-0x0000000000830000-0x0000000000839000-memory.dmp
      Filesize

      36KB

    • memory/1716-74-0x0000000002180000-0x0000000002483000-memory.dmp
      Filesize

      3.0MB

    • memory/1716-73-0x0000000000080000-0x00000000000A9000-memory.dmp
      Filesize

      164KB

    • memory/1716-70-0x0000000000000000-mapping.dmp
    • memory/1780-68-0x0000000000180000-0x0000000000191000-memory.dmp
      Filesize

      68KB

    • memory/1780-67-0x0000000000910000-0x0000000000C13000-memory.dmp
      Filesize

      3.0MB

    • memory/1780-66-0x000000000041D3A0-mapping.dmp
    • memory/1780-65-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/1984-59-0x00000000001F0000-0x00000000001F1000-memory.dmp
      Filesize

      4KB

    • memory/1984-64-0x00000000008D0000-0x00000000008FB000-memory.dmp
      Filesize

      172KB

    • memory/1984-63-0x0000000004EA0000-0x0000000004F1B000-memory.dmp
      Filesize

      492KB

    • memory/1984-62-0x0000000000510000-0x000000000051E000-memory.dmp
      Filesize

      56KB

    • memory/1984-61-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
      Filesize

      4KB