Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    06-05-2021 14:03

General

  • Target

    doc_391200004532000450.scr

  • Size

    899KB

  • MD5

    1e1f169ac3fc87ad55252f38cad083bb

  • SHA1

    ec778acec7bfe578f6d13556765e5ed5ba0a405b

  • SHA256

    6c6dd45a923d7eb6fa1f114a5a4c20fab27bc03e44a5c8cb8627d43da93dfe48

  • SHA512

    edad0f0ec3c9b0daebbd7ab17ab182cdeabb3fad0ba0d08a2191f1007f41b8cf995ed9082fa3439857065900a1ed3b5c73091113aa8bb6dc3db6813ebf24ee35

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.austinenglishtutor.com/ipio/

Decoy

fatiguemanager.co.uk

malignment.com

fashionashton.com

soawstservices.com

gardengarages.com

affirm.digital

savetheboxes.com

stepupjam.net

sassyfurbaby.com

rarecares.institute

hisarsteel.com

thespotifygrowthguide.com

111indianbend.com

kizilaykorkuevi.com

zeegostar.com

scuolateatroarsenale.com

dyaspaar.com

no1jt.com

gain2020live.com

dearhim.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 52 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 9 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:2756
    • C:\Users\Admin\AppData\Local\Temp\doc_391200004532000450.scr
      "C:\Users\Admin\AppData\Local\Temp\doc_391200004532000450.scr" /S
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3952
      • C:\Windows\SysWOW64\mshta.exe
        C:\Windows\System32\mshta.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2664
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:2212
      • C:\Windows\SysWOW64\autofmt.exe
        "C:\Windows\SysWOW64\autofmt.exe"
        2⤵
          PID:2004
        • 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
          PID:1428

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1428-121-0x0000000000000000-mapping.dmp
      • memory/1428-125-0x0000000003220000-0x00000000032AF000-memory.dmp
        Filesize

        572KB

      • memory/1428-122-0x0000000001100000-0x000000000111E000-memory.dmp
        Filesize

        120KB

      • memory/1428-124-0x0000000003460000-0x0000000003780000-memory.dmp
        Filesize

        3.1MB

      • memory/1428-123-0x0000000000780000-0x00000000007A9000-memory.dmp
        Filesize

        164KB

      • memory/2664-116-0x0000000000A40000-0x0000000000A41000-memory.dmp
        Filesize

        4KB

      • memory/2664-119-0x0000000000C20000-0x0000000000C30000-memory.dmp
        Filesize

        64KB

      • memory/2664-118-0x00000000030E0000-0x0000000003400000-memory.dmp
        Filesize

        3.1MB

      • memory/2664-117-0x0000000010410000-0x0000000010439000-memory.dmp
        Filesize

        164KB

      • memory/2664-115-0x0000000000000000-mapping.dmp
      • memory/2756-120-0x00000000065D0000-0x000000000673A000-memory.dmp
        Filesize

        1.4MB

      • memory/2756-126-0x0000000006350000-0x0000000006426000-memory.dmp
        Filesize

        856KB

      • memory/3952-114-0x0000000002220000-0x0000000002221000-memory.dmp
        Filesize

        4KB