Analysis

  • max time kernel
    154s
  • max time network
    156s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20-09-2021 12:22

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
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 4 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⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • 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:4020
      • 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:3576
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3676
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY.exe"
        3⤵
          PID:3804

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3024-139-0x00000000063D0000-0x00000000064F2000-memory.dmp
      Filesize

      1.1MB

    • memory/3024-132-0x0000000005240000-0x0000000005357000-memory.dmp
      Filesize

      1.1MB

    • memory/3576-128-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/3576-130-0x00000000017F0000-0x0000000001B10000-memory.dmp
      Filesize

      3.1MB

    • memory/3576-131-0x00000000017A0000-0x00000000017B1000-memory.dmp
      Filesize

      68KB

    • memory/3576-129-0x000000000041D3A0-mapping.dmp
    • memory/3676-138-0x0000000004630000-0x00000000046C0000-memory.dmp
      Filesize

      576KB

    • memory/3676-136-0x0000000004780000-0x0000000004AA0000-memory.dmp
      Filesize

      3.1MB

    • memory/3676-135-0x0000000002A00000-0x0000000002A29000-memory.dmp
      Filesize

      164KB

    • memory/3676-134-0x0000000000300000-0x0000000000327000-memory.dmp
      Filesize

      156KB

    • memory/3676-133-0x0000000000000000-mapping.dmp
    • memory/3804-137-0x0000000000000000-mapping.dmp
    • memory/4020-121-0x0000000004CF0000-0x00000000051EE000-memory.dmp
      Filesize

      5.0MB

    • memory/4020-127-0x0000000008DE0000-0x0000000008E0B000-memory.dmp
      Filesize

      172KB

    • memory/4020-126-0x0000000008D40000-0x0000000008DBB000-memory.dmp
      Filesize

      492KB

    • memory/4020-125-0x000000007F610000-0x000000007F611000-memory.dmp
      Filesize

      4KB

    • memory/4020-124-0x0000000008BD0000-0x0000000008BDE000-memory.dmp
      Filesize

      56KB

    • memory/4020-122-0x0000000004CF0000-0x00000000051EE000-memory.dmp
      Filesize

      5.0MB

    • memory/4020-123-0x0000000004CF0000-0x00000000051EE000-memory.dmp
      Filesize

      5.0MB

    • memory/4020-114-0x00000000002E0000-0x00000000002E1000-memory.dmp
      Filesize

      4KB

    • memory/4020-120-0x0000000004E60000-0x0000000004E61000-memory.dmp
      Filesize

      4KB

    • memory/4020-119-0x0000000004CF0000-0x00000000051EE000-memory.dmp
      Filesize

      5.0MB

    • memory/4020-118-0x0000000004D90000-0x0000000004D91000-memory.dmp
      Filesize

      4KB

    • memory/4020-117-0x0000000004CF0000-0x0000000004CF1000-memory.dmp
      Filesize

      4KB

    • memory/4020-116-0x00000000051F0000-0x00000000051F1000-memory.dmp
      Filesize

      4KB