Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-09-2021 11:45

General

  • Target

    SHIPPING DOCUMENTS.exe

  • Size

    457KB

  • MD5

    50d046de51441ed6d03da1662cecc772

  • SHA1

    b1be2f4383e4fece502efcdf1494c056ce5f7b10

  • SHA256

    5a3b0b3dfa0c258ad5d6e510d14b3b7ab8b16b49b9024669a4102d55de4e74ae

  • SHA512

    b018d6941e6209a36a6ce07a84a90f96c59bbf4de4bfea126f215160bd10404c1ab88e00939306795c8b99a8a32101cc8cd2e9566a537580b7493e777df9f8cc

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
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe
      "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:996
      • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe
        "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
        3⤵
          PID:3620
        • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe
          "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
          3⤵
            PID:1472
          • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe
            "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:636
        • 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
          • Suspicious use of WriteProcessMemory
          PID:640
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
            3⤵
              PID:3892

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/636-124-0x0000000000400000-0x0000000000429000-memory.dmp
          Filesize

          164KB

        • memory/636-127-0x0000000001910000-0x0000000001921000-memory.dmp
          Filesize

          68KB

        • memory/636-126-0x00000000015B0000-0x00000000018D0000-memory.dmp
          Filesize

          3.1MB

        • memory/636-125-0x000000000041D470-mapping.dmp
        • memory/640-131-0x0000000000A80000-0x0000000000AA9000-memory.dmp
          Filesize

          164KB

        • memory/640-129-0x0000000000000000-mapping.dmp
        • memory/640-134-0x00000000047D0000-0x0000000004860000-memory.dmp
          Filesize

          576KB

        • memory/640-132-0x0000000004A80000-0x0000000004DA0000-memory.dmp
          Filesize

          3.1MB

        • memory/640-130-0x0000000000E80000-0x0000000000E86000-memory.dmp
          Filesize

          24KB

        • memory/996-119-0x0000000005550000-0x0000000005551000-memory.dmp
          Filesize

          4KB

        • memory/996-118-0x00000000055A0000-0x0000000005A9E000-memory.dmp
          Filesize

          5.0MB

        • memory/996-117-0x00000000054A0000-0x00000000054A1000-memory.dmp
          Filesize

          4KB

        • memory/996-116-0x0000000005AA0000-0x0000000005AA1000-memory.dmp
          Filesize

          4KB

        • memory/996-120-0x0000000005A60000-0x0000000005A67000-memory.dmp
          Filesize

          28KB

        • memory/996-114-0x0000000000C00000-0x0000000000C01000-memory.dmp
          Filesize

          4KB

        • memory/996-123-0x000000000A230000-0x000000000A25B000-memory.dmp
          Filesize

          172KB

        • memory/996-122-0x000000000A190000-0x000000000A1F0000-memory.dmp
          Filesize

          384KB

        • memory/996-121-0x0000000009C70000-0x0000000009C71000-memory.dmp
          Filesize

          4KB

        • memory/2180-128-0x00000000064B0000-0x000000000662E000-memory.dmp
          Filesize

          1.5MB

        • memory/2180-135-0x00000000030F0000-0x00000000031D1000-memory.dmp
          Filesize

          900KB

        • memory/3892-133-0x0000000000000000-mapping.dmp