Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    07-09-2021 04:17

General

  • Target

    PO 128.exe

  • Size

    664KB

  • MD5

    b28324fa7ead5dae86b30af4950c0faa

  • SHA1

    130a7107cf6b22dddf6533f10b6e763bc59002aa

  • SHA256

    55043fccaa51456c6d7b5aab6245b5cb74dde6cf3a6358f79aaddb81b6e320db

  • SHA512

    f6b520c2b0b75b8678f4ad27796c24b644acd71d47fcb850b6c602927857d28551e0239ad2774afa2660794878a5adf48943d0529215accfd309bbda49ab6421

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

n58i

C2

http://www.mack3sleeve.com/n58i/

Decoy

nl-cafe.com

votetedjaleta.com

britrobertsrealtor.com

globipark.com

citysucces.com

verisignwebsite-verified.com

riddlepc.com

rosecityclimbing.com

oleandrinextract.com

salmankonstruksi.com

needhamchannel.com

refreshx2z.com

youth66.com

pla-russia.com

halloweenmaskpro.com

exdysis.com

1gcz.com

lookgoodman.com

rlxagva.com

stlcityc.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 23 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 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:1240
    • C:\Users\Admin\AppData\Local\Temp\PO 128.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 128.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1572
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:624

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/624-66-0x0000000000000000-mapping.dmp
    • memory/1240-69-0x0000000006B60000-0x0000000006C8B000-memory.dmp
      Filesize

      1.2MB

    • memory/1240-62-0x0000000006980000-0x0000000006A92000-memory.dmp
      Filesize

      1.1MB

    • memory/1572-60-0x0000000000830000-0x0000000000B33000-memory.dmp
      Filesize

      3.0MB

    • memory/1572-61-0x0000000000160000-0x0000000000171000-memory.dmp
      Filesize

      68KB

    • memory/1572-58-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/1572-59-0x000000000041D070-mapping.dmp
    • memory/1636-57-0x0000000000760000-0x000000000078A000-memory.dmp
      Filesize

      168KB

    • memory/1636-52-0x00000000008F0000-0x00000000008F1000-memory.dmp
      Filesize

      4KB

    • memory/1636-56-0x0000000004700000-0x000000000475F000-memory.dmp
      Filesize

      380KB

    • memory/1636-55-0x00000000005A0000-0x00000000005B6000-memory.dmp
      Filesize

      88KB

    • memory/1636-54-0x0000000002250000-0x0000000002251000-memory.dmp
      Filesize

      4KB

    • memory/1748-63-0x0000000000000000-mapping.dmp
    • memory/1748-64-0x0000000000AF0000-0x0000000000B0B000-memory.dmp
      Filesize

      108KB

    • memory/1748-65-0x0000000000080000-0x00000000000A9000-memory.dmp
      Filesize

      164KB

    • memory/1748-67-0x0000000002230000-0x0000000002533000-memory.dmp
      Filesize

      3.0MB

    • memory/1748-68-0x0000000000420000-0x00000000004B0000-memory.dmp
      Filesize

      576KB