Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    30-07-2021 15:25

General

  • Target

    Inv_7623980.exe

  • Size

    829KB

  • MD5

    b20d9ced5d063ec28425551a520ac59d

  • SHA1

    f6bfd3346ed28ef6ed5e45d89f6b1f89d8296b0f

  • SHA256

    3ad516ed1d59d2a83e03dd014de474999c1d20885639cd2f77c1108c636636df

  • SHA512

    2bbfa0ab4ef7132e5740e54d1fcacb35fdbea4a89b5208f42b4660377f5e18f7a09cad7c589d3a1c3b02d06228ba8b3cb02d6f32b0fcf18b71f23c0e367c48d4

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.inverservi.com/m6b5/

Decoy

ixtarbelize.com

pheamal.com

daiyncc.com

staydoubted.com

laagerlitigation.club

sukrantastansakarya.com

esupport.ltd

vetscontracting.net

themuslimlife.coach

salmanairs.com

somatictherapyservices.com

lastminuteminister.com

comunicarbuenosaires.com

kazuya.tech

insightlyservicedev.com

redevelopment38subhashnagar.com

thefutureinvestor.com

simplysu.com

lagu45.com

livingstonpistolpermit.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)
  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 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:1272
    • C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe
      "C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1912
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:1516

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/268-78-0x0000000076281000-0x0000000076283000-memory.dmp

      Filesize

      8KB

    • memory/268-76-0x00000000004E0000-0x000000000056F000-memory.dmp

      Filesize

      572KB

    • memory/268-75-0x00000000021B0000-0x00000000024B3000-memory.dmp

      Filesize

      3.0MB

    • memory/268-74-0x0000000000080000-0x00000000000A9000-memory.dmp

      Filesize

      164KB

    • memory/268-73-0x0000000000370000-0x0000000000377000-memory.dmp

      Filesize

      28KB

    • memory/268-71-0x0000000000000000-mapping.dmp

    • memory/1272-70-0x00000000062E0000-0x00000000063C7000-memory.dmp

      Filesize

      924KB

    • memory/1272-77-0x00000000064F0000-0x00000000065B9000-memory.dmp

      Filesize

      804KB

    • memory/1516-72-0x0000000000000000-mapping.dmp

    • memory/1912-68-0x00000000008D0000-0x0000000000BD3000-memory.dmp

      Filesize

      3.0MB

    • memory/1912-69-0x0000000000170000-0x0000000000180000-memory.dmp

      Filesize

      64KB

    • memory/1912-67-0x000000000041D0F0-mapping.dmp

    • memory/1912-66-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/2020-60-0x0000000000820000-0x0000000000821000-memory.dmp

      Filesize

      4KB

    • memory/2020-65-0x0000000004170000-0x00000000041A6000-memory.dmp

      Filesize

      216KB

    • memory/2020-64-0x0000000007080000-0x0000000007103000-memory.dmp

      Filesize

      524KB

    • memory/2020-63-0x0000000000810000-0x0000000000812000-memory.dmp

      Filesize

      8KB

    • memory/2020-62-0x00000000071F0000-0x00000000071F1000-memory.dmp

      Filesize

      4KB