Analysis

  • max time kernel
    157s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    20-01-2022 11:07

General

  • Target

    Order-711493-pdf.pif.exe

  • Size

    296KB

  • MD5

    7dc82eb8ad4d78c1fb2534eef4fb10fd

  • SHA1

    a6f61ab9754a38151026dd6e94a97459723c8add

  • SHA256

    32202111654172f16eab4a33849af61e651680218d44e657b719b56789976561

  • SHA512

    7365a7a32a8c0227c70c93cc51a7a9235606af4c27acdceb531766dfad57b6f481f850b173f542c846d899f2172d60c8580f3febe3516d512500d3662fa92513

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

uar3

Decoy

sgadvocats.com

mjscannabus.com

hilldaley.com

ksdollhouse.com

hotgiftboutique.com

purebloodsmeet.com

relaunched.info

cap-glove.com

productcollection.store

fulikyy.xyz

remoteaviationjobs.com

bestcleancrystal.com

virtualorganizationpartner.com

bookgocar.com

hattuafhv.quest

makonigroup.com

officecom-myaccount.com

malgorzata-lac.com

e-learningeducators.com

hygilaur.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 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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 behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\Order-711493-pdf.pif.exe
      "C:\Users\Admin\AppData\Local\Temp\Order-711493-pdf.pif.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1612
      • C:\Users\Admin\AppData\Local\Temp\Order-711493-pdf.pif.exe
        "C:\Users\Admin\AppData\Local\Temp\Order-711493-pdf.pif.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:520
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:452
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Order-711493-pdf.pif.exe"
        3⤵
        • Deletes itself
        PID:1764

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsy3304.tmp\klgtagbqxcl.dll
    MD5

    099043310c3f814bd0fb860794a9a84a

    SHA1

    621769796ca94414f7c219e0da65fa4a72549d33

    SHA256

    ef99d64e0fba1adc021866b880b3b07c9ba523d9fda5766aa548304adaf97de5

    SHA512

    c1d9a0ea9c1918a9efede6a67aa982ab68d6ce0fd3381d5a02ba89fd35f8fa317f9a7563cbd95d8d1c0ca651dae92ad67596f1dd2651c741e2596f9654fb70dc

  • memory/452-63-0x0000000075201000-0x0000000075203000-memory.dmp
    Filesize

    8KB

  • memory/452-64-0x0000000000E80000-0x0000000001101000-memory.dmp
    Filesize

    2.5MB

  • memory/452-65-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/452-66-0x0000000002510000-0x0000000002813000-memory.dmp
    Filesize

    3.0MB

  • memory/452-67-0x0000000000A50000-0x0000000000AE0000-memory.dmp
    Filesize

    576KB

  • memory/520-57-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/520-59-0x0000000000770000-0x0000000000A73000-memory.dmp
    Filesize

    3.0MB

  • memory/520-60-0x00000000002E0000-0x0000000000429000-memory.dmp
    Filesize

    1.3MB

  • memory/1200-61-0x0000000007390000-0x00000000074BF000-memory.dmp
    Filesize

    1.2MB

  • memory/1200-68-0x0000000006760000-0x000000000686E000-memory.dmp
    Filesize

    1.1MB

  • memory/1612-55-0x00000000769D1000-0x00000000769D3000-memory.dmp
    Filesize

    8KB