Analysis

  • max time kernel
    159s
  • max time network
    167s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-09-2021 04:04

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
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3016
    • 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:3128
      • 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:2784
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3504
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
        3⤵
          PID:4040

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2784-126-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/2784-128-0x0000000001920000-0x0000000001C40000-memory.dmp
      Filesize

      3.1MB

    • memory/2784-129-0x0000000001360000-0x00000000014AA000-memory.dmp
      Filesize

      1.3MB

    • memory/2784-127-0x000000000041D3A0-mapping.dmp
    • memory/3016-139-0x0000000005920000-0x00000000059C8000-memory.dmp
      Filesize

      672KB

    • memory/3016-130-0x0000000005840000-0x0000000005914000-memory.dmp
      Filesize

      848KB

    • memory/3128-120-0x0000000004B60000-0x0000000004B61000-memory.dmp
      Filesize

      4KB

    • memory/3128-117-0x0000000005140000-0x0000000005141000-memory.dmp
      Filesize

      4KB

    • memory/3128-123-0x000000007E7F0000-0x000000007E7F1000-memory.dmp
      Filesize

      4KB

    • memory/3128-124-0x0000000009AA0000-0x0000000009B1B000-memory.dmp
      Filesize

      492KB

    • memory/3128-125-0x0000000009B20000-0x0000000009B4B000-memory.dmp
      Filesize

      172KB

    • memory/3128-121-0x0000000004E60000-0x0000000004E61000-memory.dmp
      Filesize

      4KB

    • memory/3128-114-0x0000000000120000-0x0000000000121000-memory.dmp
      Filesize

      4KB

    • memory/3128-119-0x0000000004C40000-0x000000000513E000-memory.dmp
      Filesize

      5.0MB

    • memory/3128-118-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
      Filesize

      4KB

    • memory/3128-122-0x0000000009540000-0x000000000954E000-memory.dmp
      Filesize

      56KB

    • memory/3128-116-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
      Filesize

      4KB

    • memory/3504-136-0x0000000000440000-0x0000000000469000-memory.dmp
      Filesize

      164KB

    • memory/3504-135-0x0000000001040000-0x0000000001052000-memory.dmp
      Filesize

      72KB

    • memory/3504-137-0x0000000004460000-0x0000000004780000-memory.dmp
      Filesize

      3.1MB

    • memory/3504-138-0x0000000000E70000-0x0000000000F00000-memory.dmp
      Filesize

      576KB

    • memory/3504-131-0x0000000000000000-mapping.dmp
    • memory/4040-134-0x0000000000000000-mapping.dmp