Analysis

  • max time kernel
    151s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    24-09-2021 11:04

General

  • Target

    PROFOMA INVOICE.exe

  • Size

    866KB

  • MD5

    24736913b455be2ed3d1cc67c767afc4

  • SHA1

    8026db0f265178cf013ac579c1b7267f4014bf2c

  • SHA256

    a109f0b9407728fef1b41d766e8228085ee04661156d84ef543777bf311f450b

  • SHA512

    49dd3e5ecbf6d4cd310a45d0b52e36a363d701f0a9cc14a1d3c103b613eb5a756fdc9ce8b028d69b56c4c8137d29ea3d57865b4ff75dac44bf982e5c80ee56ee

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
  • Blocklisted process makes network request 1 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 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 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe
      "C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1556
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1112
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe"
        3⤵
        • Deletes itself
        PID:664

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/664-69-0x0000000000000000-mapping.dmp
  • memory/1112-65-0x0000000000000000-mapping.dmp
  • memory/1112-71-0x0000000002010000-0x00000000020A0000-memory.dmp
    Filesize

    576KB

  • memory/1112-70-0x00000000021F0000-0x00000000024F3000-memory.dmp
    Filesize

    3MB

  • memory/1112-67-0x0000000000A10000-0x0000000000A24000-memory.dmp
    Filesize

    80KB

  • memory/1112-68-0x0000000000090000-0x00000000000B9000-memory.dmp
    Filesize

    164KB

  • memory/1112-66-0x0000000076581000-0x0000000076583000-memory.dmp
    Filesize

    8KB

  • memory/1144-59-0x00000000005B0000-0x00000000005DB000-memory.dmp
    Filesize

    172KB

  • memory/1144-54-0x0000000000820000-0x0000000000821000-memory.dmp
    Filesize

    4KB

  • memory/1144-58-0x0000000005B80000-0x0000000005BF9000-memory.dmp
    Filesize

    484KB

  • memory/1144-57-0x00000000003B0000-0x00000000003BE000-memory.dmp
    Filesize

    56KB

  • memory/1144-56-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
    Filesize

    4KB

  • memory/1392-64-0x00000000064D0000-0x000000000658D000-memory.dmp
    Filesize

    756KB

  • memory/1392-72-0x0000000004AD0000-0x0000000004BF6000-memory.dmp
    Filesize

    1MB

  • memory/1556-62-0x0000000000900000-0x0000000000C03000-memory.dmp
    Filesize

    3MB

  • memory/1556-63-0x00000000003B0000-0x00000000003C1000-memory.dmp
    Filesize

    68KB

  • memory/1556-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1556-61-0x000000000041D3A0-mapping.dmp