Analysis

  • max time kernel
    153s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    21-09-2021 12:12

General

  • Target

    UPDATED e-STATEMENT..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
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe
      "C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3744
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3800
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe"
        3⤵
          PID:3108

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2396-126-0x000000000BCB0000-0x000000000BCDB000-memory.dmp
      Filesize

      172KB

    • memory/2396-117-0x0000000005190000-0x0000000005191000-memory.dmp
      Filesize

      4KB

    • memory/2396-115-0x0000000000890000-0x0000000000891000-memory.dmp
      Filesize

      4KB

    • memory/2396-119-0x00000000052D0000-0x00000000052D1000-memory.dmp
      Filesize

      4KB

    • memory/2396-120-0x0000000005230000-0x000000000572E000-memory.dmp
      Filesize

      5.0MB

    • memory/2396-121-0x0000000005180000-0x0000000005181000-memory.dmp
      Filesize

      4KB

    • memory/2396-122-0x0000000005440000-0x0000000005441000-memory.dmp
      Filesize

      4KB

    • memory/2396-123-0x000000007F590000-0x000000007F591000-memory.dmp
      Filesize

      4KB

    • memory/2396-124-0x0000000005710000-0x000000000571E000-memory.dmp
      Filesize

      56KB

    • memory/2396-125-0x0000000008AF0000-0x0000000008B6C000-memory.dmp
      Filesize

      496KB

    • memory/2396-118-0x0000000005730000-0x0000000005731000-memory.dmp
      Filesize

      4KB

    • memory/3028-138-0x0000000002F90000-0x0000000003042000-memory.dmp
      Filesize

      712KB

    • memory/3028-131-0x0000000005750000-0x00000000058B6000-memory.dmp
      Filesize

      1.4MB

    • memory/3108-133-0x0000000000000000-mapping.dmp
    • memory/3744-128-0x000000000041D3A0-mapping.dmp
    • memory/3744-130-0x0000000001460000-0x0000000001471000-memory.dmp
      Filesize

      68KB

    • memory/3744-129-0x0000000000FA0000-0x00000000012C0000-memory.dmp
      Filesize

      3.1MB

    • memory/3744-127-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/3800-132-0x0000000000000000-mapping.dmp
    • memory/3800-134-0x0000000000160000-0x0000000000179000-memory.dmp
      Filesize

      100KB

    • memory/3800-135-0x0000000002490000-0x00000000024B9000-memory.dmp
      Filesize

      164KB

    • memory/3800-136-0x0000000004500000-0x0000000004820000-memory.dmp
      Filesize

      3.1MB

    • memory/3800-137-0x0000000004340000-0x00000000043D0000-memory.dmp
      Filesize

      576KB