Analysis

  • max time kernel
    160s
  • max time network
    161s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-09-2021 02:20

General

  • Target

    Payment Advice.exe

  • Size

    992KB

  • MD5

    4f25ed58038558b2e83f18896b245791

  • SHA1

    80be9861fa9f10581fc77e0c4a1405dd5042365d

  • SHA256

    03b8b680955c5827b5f80ace4afb923c2a5714cbe1b9ca579ab6f197b8826bc6

  • SHA512

    8e586af0f9214b59075811bb15779ef7460e436c18c1995c70d3aafb3c6cb4d5def9671ae829df49d294588845f34e997b9b293366f289b3c7f782b55aa6dd63

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
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 48 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:3060
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3596
      • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1836
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3612
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
        3⤵
          PID:752

    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/752-133-0x0000000000000000-mapping.dmp
    • memory/1836-127-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/1836-129-0x00000000015A0000-0x00000000018C0000-memory.dmp
      Filesize

      3.1MB

    • memory/1836-130-0x0000000001110000-0x0000000001121000-memory.dmp
      Filesize

      68KB

    • memory/1836-128-0x000000000041D3A0-mapping.dmp
    • memory/3060-138-0x0000000002790000-0x000000000288D000-memory.dmp
      Filesize

      1012KB

    • memory/3060-131-0x0000000004D30000-0x0000000004EBB000-memory.dmp
      Filesize

      1.5MB

    • memory/3596-121-0x0000000005660000-0x0000000005661000-memory.dmp
      Filesize

      4KB

    • memory/3596-120-0x0000000005350000-0x0000000005351000-memory.dmp
      Filesize

      4KB

    • memory/3596-125-0x000000000A180000-0x000000000A1FB000-memory.dmp
      Filesize

      492KB

    • memory/3596-126-0x000000000A200000-0x000000000A22B000-memory.dmp
      Filesize

      172KB

    • memory/3596-123-0x0000000005990000-0x000000000599E000-memory.dmp
      Filesize

      56KB

    • memory/3596-122-0x0000000001560000-0x0000000001561000-memory.dmp
      Filesize

      4KB

    • memory/3596-115-0x0000000000A40000-0x0000000000A41000-memory.dmp
      Filesize

      4KB

    • memory/3596-124-0x000000007E970000-0x000000007E971000-memory.dmp
      Filesize

      4KB

    • memory/3596-119-0x00000000054A0000-0x00000000054A1000-memory.dmp
      Filesize

      4KB

    • memory/3596-117-0x00000000053C0000-0x00000000053C1000-memory.dmp
      Filesize

      4KB

    • memory/3596-118-0x00000000059A0000-0x00000000059A1000-memory.dmp
      Filesize

      4KB

    • memory/3612-134-0x00000000012C0000-0x00000000012CB000-memory.dmp
      Filesize

      44KB

    • memory/3612-135-0x0000000000C00000-0x0000000000C29000-memory.dmp
      Filesize

      164KB

    • memory/3612-136-0x0000000000DE0000-0x0000000001100000-memory.dmp
      Filesize

      3.1MB

    • memory/3612-137-0x0000000001190000-0x0000000001220000-memory.dmp
      Filesize

      576KB

    • memory/3612-132-0x0000000000000000-mapping.dmp