Analysis

  • max time kernel
    153s
  • max time network
    163s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    21-09-2021 20:21

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 46 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:3064
    • 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:2412
      • 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:3728
    • C:\Windows\SysWOW64\cmmon32.exe
      "C:\Windows\SysWOW64\cmmon32.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:316
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe"
        3⤵
          PID:3680

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/316-132-0x0000000000000000-mapping.dmp
    • memory/316-137-0x00000000048E0000-0x0000000004970000-memory.dmp
      Filesize

      576KB

    • memory/316-135-0x0000000003000000-0x0000000003029000-memory.dmp
      Filesize

      164KB

    • memory/316-136-0x0000000004530000-0x0000000004850000-memory.dmp
      Filesize

      3.1MB

    • memory/316-134-0x0000000000060000-0x000000000006C000-memory.dmp
      Filesize

      48KB

    • memory/2412-126-0x0000000005E40000-0x0000000005E6B000-memory.dmp
      Filesize

      172KB

    • memory/2412-120-0x0000000005380000-0x0000000005381000-memory.dmp
      Filesize

      4KB

    • memory/2412-123-0x0000000005630000-0x000000000563E000-memory.dmp
      Filesize

      56KB

    • memory/2412-124-0x000000007EA30000-0x000000007EA31000-memory.dmp
      Filesize

      4KB

    • memory/2412-125-0x0000000008B70000-0x0000000008BEC000-memory.dmp
      Filesize

      496KB

    • memory/2412-115-0x0000000000890000-0x0000000000891000-memory.dmp
      Filesize

      4KB

    • memory/2412-117-0x0000000005160000-0x0000000005161000-memory.dmp
      Filesize

      4KB

    • memory/2412-118-0x00000000057D0000-0x00000000057D1000-memory.dmp
      Filesize

      4KB

    • memory/2412-119-0x00000000052D0000-0x00000000052D1000-memory.dmp
      Filesize

      4KB

    • memory/2412-122-0x00000000052D0000-0x00000000057CE000-memory.dmp
      Filesize

      5.0MB

    • memory/2412-121-0x0000000005420000-0x0000000005421000-memory.dmp
      Filesize

      4KB

    • memory/3064-131-0x0000000000920000-0x00000000009EB000-memory.dmp
      Filesize

      812KB

    • memory/3064-138-0x0000000005E20000-0x0000000005F86000-memory.dmp
      Filesize

      1.4MB

    • memory/3680-133-0x0000000000000000-mapping.dmp
    • memory/3728-129-0x00000000017A0000-0x0000000001AC0000-memory.dmp
      Filesize

      3.1MB

    • memory/3728-130-0x0000000001730000-0x0000000001741000-memory.dmp
      Filesize

      68KB

    • memory/3728-128-0x000000000041D3A0-mapping.dmp
    • memory/3728-127-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB