Analysis

  • max time kernel
    151s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-09-2021 03:12

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
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1216
    • 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:1048
      • 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:1212
    • C:\Windows\SysWOW64\mstsc.exe
      "C:\Windows\SysWOW64\mstsc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
        3⤵
        • Deletes itself
        PID:460

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/460-68-0x0000000000000000-mapping.dmp
  • memory/1048-54-0x0000000000BD0000-0x0000000000BD1000-memory.dmp
    Filesize

    4KB

  • memory/1048-56-0x0000000000940000-0x0000000000941000-memory.dmp
    Filesize

    4KB

  • memory/1048-57-0x00000000008A0000-0x00000000008AE000-memory.dmp
    Filesize

    56KB

  • memory/1048-58-0x000000007EF40000-0x000000007EF41000-memory.dmp
    Filesize

    4KB

  • memory/1048-59-0x0000000004DF0000-0x0000000004E6B000-memory.dmp
    Filesize

    492KB

  • memory/1048-60-0x0000000000A60000-0x0000000000A8B000-memory.dmp
    Filesize

    172KB

  • memory/1120-67-0x00000000755A1000-0x00000000755A3000-memory.dmp
    Filesize

    8KB

  • memory/1120-66-0x0000000000000000-mapping.dmp
  • memory/1120-69-0x0000000000EF0000-0x0000000000FF4000-memory.dmp
    Filesize

    1.0MB

  • memory/1120-70-0x00000000000D0000-0x00000000000F9000-memory.dmp
    Filesize

    164KB

  • memory/1120-71-0x0000000000AD0000-0x0000000000DD3000-memory.dmp
    Filesize

    3.0MB

  • memory/1120-72-0x0000000000A30000-0x0000000000AC0000-memory.dmp
    Filesize

    576KB

  • memory/1212-64-0x0000000000190000-0x00000000001A1000-memory.dmp
    Filesize

    68KB

  • memory/1212-63-0x0000000000890000-0x0000000000B93000-memory.dmp
    Filesize

    3.0MB

  • memory/1212-62-0x000000000041D3A0-mapping.dmp
  • memory/1212-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-65-0x0000000007320000-0x0000000007454000-memory.dmp
    Filesize

    1.2MB

  • memory/1216-73-0x00000000049B0000-0x0000000004A7F000-memory.dmp
    Filesize

    828KB