Analysis

  • max time kernel
    146s
  • max time network
    195s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    15-09-2021 08:10

General

  • Target

    pay.exe

  • Size

    493KB

  • MD5

    d08e51116e789fa67fd4d535ad4f399b

  • SHA1

    1d7d28fb75910f580d75167c0b30ebadd79fe8ca

  • SHA256

    7deecd8502e99ced6aec8588840f7e972a3b030c19e0e88ef94ec3a9d2ababc9

  • SHA512

    6a576a4765cd48138989742cad201abc09941290d70459b13e9dbe3680fe6b291a4a422fbc7dfc4c26e0b554794015194f78c6d2e2082053ba9c1a2a9313bfa1

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

t75f

C2

http://www.438451.com/t75f/

Decoy

ice-lemon.pro

ar3spro.cloud

9055837.com

fucksociety.net

prettyofficialx.com

mfxw.xyz

relationshipquiz.info

customia.xyz

juanayjuan.com

zidiankj.com

facture-booking.com

secondmining.store

aboutyou.club

gongxichen.com

laurabraincreative.com

pierrot-bros.com

saintpaulaccountingservices.com

dom-maya.com

garderobamarzen.net

la-salamandre-assurances.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 25 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\pay.exe
      "C:\Users\Admin\AppData\Local\Temp\pay.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1472
      • 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:1796
    • C:\Windows\SysWOW64\NAPSTAT.EXE
      "C:\Windows\SysWOW64\NAPSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:1548

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1200-69-0x00000000044D0000-0x000000000458D000-memory.dmp
      Filesize

      756KB

    • memory/1200-76-0x0000000004B10000-0x0000000004BF2000-memory.dmp
      Filesize

      904KB

    • memory/1472-61-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
      Filesize

      4KB

    • memory/1472-62-0x0000000000320000-0x0000000000327000-memory.dmp
      Filesize

      28KB

    • memory/1472-63-0x00000000043C0000-0x000000000441C000-memory.dmp
      Filesize

      368KB

    • memory/1472-64-0x00000000004D0000-0x00000000004FB000-memory.dmp
      Filesize

      172KB

    • memory/1472-59-0x0000000000C50000-0x0000000000C51000-memory.dmp
      Filesize

      4KB

    • memory/1548-71-0x0000000000000000-mapping.dmp
    • memory/1708-72-0x0000000000F60000-0x0000000000FA6000-memory.dmp
      Filesize

      280KB

    • memory/1708-70-0x0000000000000000-mapping.dmp
    • memory/1708-73-0x0000000000080000-0x00000000000A9000-memory.dmp
      Filesize

      164KB

    • memory/1708-74-0x0000000000AD0000-0x0000000000DD3000-memory.dmp
      Filesize

      3.0MB

    • memory/1708-75-0x0000000000800000-0x0000000000890000-memory.dmp
      Filesize

      576KB

    • memory/1796-68-0x0000000000560000-0x0000000000571000-memory.dmp
      Filesize

      68KB

    • memory/1796-67-0x0000000000700000-0x0000000000A03000-memory.dmp
      Filesize

      3.0MB

    • memory/1796-65-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/1796-66-0x000000000041D410-mapping.dmp