Analysis

  • max time kernel
    152s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    27-09-2021 18:14

General

  • Target

    DHL AWB# 4AB19037XXX.pdf.exe

  • Size

    11KB

  • MD5

    690684b6b6a432ef5f8b34b67653d4be

  • SHA1

    34b072cdd785e0be9bf9717707a72c122ebf8e93

  • SHA256

    2ea667119c0aeda764dcb53a2adf480a26985bfc682949d0fb0c02d266342c68

  • SHA512

    b074acee0f6505a1c179af3149bc9146719b0df0bf6f0efa668d611ff388dc36f5cd7ed3c7c8a98317895ef716818ec0c3841ccff96aba0ba5ce8da15c0c6eb5

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

o4um

C2

http://www.dependablelawnsnow.com/o4um/

Decoy

kagami-belt.com

k7e.xyz

slowcontentmarketing.com

nativeamericannurse.com

stadtquartier.xyz

vietlinkmart.com

numisme.xyz

lypp-sh.com

walkerwaughray.com

homerightsolutions.com

vpdd.top

857741.com

informednewsreader.com

misachoavien.com

aslanrefinedhomes.com

bjhaitaoshop.com

lb-fo.com

shadedfaetattoos.com

tallulahapp.com

amhonlinemarketing.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Downloads MZ/PE file
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 14 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:1216
    • C:\Users\Admin\AppData\Local\Temp\DHL AWB# 4AB19037XXX.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL AWB# 4AB19037XXX.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1380
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:484
    • C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:1656

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/484-61-0x0000000000DD0000-0x00000000010D3000-memory.dmp
    Filesize

    3.0MB

  • memory/484-60-0x0000000074C71000-0x0000000074C73000-memory.dmp
    Filesize

    8KB

  • memory/484-62-0x00000000002A0000-0x00000000002B1000-memory.dmp
    Filesize

    68KB

  • memory/484-59-0x000000000041D460-mapping.dmp
  • memory/484-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-69-0x00000000064A0000-0x000000000661B000-memory.dmp
    Filesize

    1.5MB

  • memory/1216-63-0x0000000004DB0000-0x0000000004EA6000-memory.dmp
    Filesize

    984KB

  • memory/1380-53-0x0000000000E90000-0x0000000000E91000-memory.dmp
    Filesize

    4KB

  • memory/1380-55-0x000000001B090000-0x000000001B092000-memory.dmp
    Filesize

    8KB

  • memory/1380-57-0x00000000003A0000-0x00000000003A1000-memory.dmp
    Filesize

    4KB

  • memory/1380-56-0x000000001AA30000-0x000000001AA95000-memory.dmp
    Filesize

    404KB

  • memory/1656-64-0x0000000000000000-mapping.dmp
  • memory/1656-65-0x0000000000800000-0x0000000000805000-memory.dmp
    Filesize

    20KB

  • memory/1656-66-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1656-67-0x0000000001F30000-0x0000000002233000-memory.dmp
    Filesize

    3.0MB

  • memory/1656-68-0x0000000001DA0000-0x0000000001E30000-memory.dmp
    Filesize

    576KB