Analysis

  • max time kernel
    151s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20210916
  • submitted
    17-09-2021 07:16

General

  • Target

    DOC.exe

  • Size

    463KB

  • MD5

    e2e027360aa11a532949fb6c013009d5

  • SHA1

    2488a833ee33ea4ce3ff0e5e7615e35d647816e2

  • SHA256

    13c2ff62d1e29d6e88c828851f842b17acb6293da92bdf5223e87a67bf00ed31

  • SHA512

    240a63a3c245d1dd963cc33b290796e646276f9488692037f26009efde4ad39b9c6af6d0c4d21ca19b5ade4a677b4b2d7e83003a519c2dbfbf408c086ca0f04a

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

n58i

C2

http://www.nordicbatterybelt.net/n58i/

Decoy

southerncircumstance.com

mcsasco.com

ifbrick.com

societe-anonyme.net

bantank.xyz

dogecoin.beauty

aboutacoffee.com

babalandlordrealestate.com

tintgta.com

integrity.directory

parwnr.icu

poltishof.online

stayandstyle.com

ickjeame.xyz

currentmotors.ca

pond.fund

petrosterzis.com

deadbydaylightpoints.com

hotel-balzac.paris

focusmaintainance.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
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 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 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\DOC.exe
      "C:\Users\Admin\AppData\Local\Temp\DOC.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1592
      • C:\Users\Admin\AppData\Local\Temp\DOC.exe
        "C:\Users\Admin\AppData\Local\Temp\DOC.exe"
        3⤵
          PID:1504
        • C:\Users\Admin\AppData\Local\Temp\DOC.exe
          "C:\Users\Admin\AppData\Local\Temp\DOC.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1004
      • C:\Windows\SysWOW64\autoconv.exe
        "C:\Windows\SysWOW64\autoconv.exe"
        2⤵
          PID:452
        • C:\Windows\SysWOW64\wscript.exe
          "C:\Windows\SysWOW64\wscript.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1720
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\DOC.exe"
            3⤵
            • Deletes itself
            PID:1452

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1004-61-0x0000000000A30000-0x0000000000D33000-memory.dmp
        Filesize

        3.0MB

      • memory/1004-62-0x0000000000310000-0x0000000000321000-memory.dmp
        Filesize

        68KB

      • memory/1004-59-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB

      • memory/1004-60-0x000000000041D470-mapping.dmp
      • memory/1248-70-0x00000000070B0000-0x0000000007233000-memory.dmp
        Filesize

        1.5MB

      • memory/1248-63-0x0000000006F50000-0x00000000070B0000-memory.dmp
        Filesize

        1.4MB

      • memory/1452-65-0x0000000000000000-mapping.dmp
      • memory/1592-58-0x0000000004C60000-0x0000000004C8B000-memory.dmp
        Filesize

        172KB

      • memory/1592-53-0x00000000009B0000-0x00000000009B1000-memory.dmp
        Filesize

        4KB

      • memory/1592-57-0x0000000004E50000-0x0000000004EB0000-memory.dmp
        Filesize

        384KB

      • memory/1592-56-0x0000000000990000-0x0000000000997000-memory.dmp
        Filesize

        28KB

      • memory/1592-55-0x0000000001F60000-0x0000000001F61000-memory.dmp
        Filesize

        4KB

      • memory/1720-64-0x0000000000000000-mapping.dmp
      • memory/1720-66-0x0000000000350000-0x0000000000376000-memory.dmp
        Filesize

        152KB

      • memory/1720-67-0x0000000000070000-0x0000000000099000-memory.dmp
        Filesize

        164KB

      • memory/1720-68-0x0000000002300000-0x0000000002603000-memory.dmp
        Filesize

        3.0MB

      • memory/1720-69-0x0000000000380000-0x0000000000410000-memory.dmp
        Filesize

        576KB