Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    21-09-2021 20:13

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

    Uses commandline utility to view network configuration.

  • 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: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:2392
      • 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:3500
    • 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:316
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe"
        3⤵
          PID:3348

    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/316-132-0x0000000000000000-mapping.dmp
    • memory/316-137-0x0000000003230000-0x00000000032C0000-memory.dmp
      Filesize

      576KB

    • memory/316-136-0x0000000002E00000-0x0000000002EAE000-memory.dmp
      Filesize

      696KB

    • memory/316-134-0x0000000002B50000-0x0000000002B79000-memory.dmp
      Filesize

      164KB

    • memory/316-133-0x0000000000070000-0x000000000007B000-memory.dmp
      Filesize

      44KB

    • memory/2392-126-0x00000000072F0000-0x000000000731B000-memory.dmp
      Filesize

      172KB

    • memory/2392-119-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
      Filesize

      4KB

    • memory/2392-123-0x0000000005380000-0x000000000538E000-memory.dmp
      Filesize

      56KB

    • memory/2392-124-0x000000007E680000-0x000000007E681000-memory.dmp
      Filesize

      4KB

    • memory/2392-125-0x0000000007890000-0x000000000790C000-memory.dmp
      Filesize

      496KB

    • memory/2392-115-0x0000000000380000-0x0000000000381000-memory.dmp
      Filesize

      4KB

    • memory/2392-117-0x0000000004E10000-0x0000000004E11000-memory.dmp
      Filesize

      4KB

    • memory/2392-118-0x00000000053C0000-0x00000000053C1000-memory.dmp
      Filesize

      4KB

    • memory/2392-122-0x00000000050E0000-0x00000000050E1000-memory.dmp
      Filesize

      4KB

    • memory/2392-120-0x0000000004EC0000-0x00000000053BE000-memory.dmp
      Filesize

      5.0MB

    • memory/2392-121-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
      Filesize

      4KB

    • memory/3064-131-0x0000000004CC0000-0x0000000004E45000-memory.dmp
      Filesize

      1.5MB

    • memory/3064-138-0x0000000004E50000-0x0000000004F6B000-memory.dmp
      Filesize

      1.1MB

    • memory/3348-135-0x0000000000000000-mapping.dmp
    • memory/3500-129-0x0000000001260000-0x0000000001580000-memory.dmp
      Filesize

      3.1MB

    • memory/3500-130-0x0000000000D60000-0x0000000000EAA000-memory.dmp
      Filesize

      1.3MB

    • memory/3500-128-0x000000000041D3A0-mapping.dmp
    • memory/3500-127-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB