Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    27-09-2021 14:14

General

  • Target

    Payment Slip.exe

  • Size

    831KB

  • MD5

    3d0d9c87ea732caf417afa0b8af62267

  • SHA1

    dfb1e57a9cf498310cb7287f4b5792cbcd8b3974

  • SHA256

    95b6ba2be30399f87d20e021bee29f0eb46773b67407f3ed9987d22610d5249d

  • SHA512

    e7db51cd7baf84cf65ebead15c3e56ca9e381866a4edc7e945affe4f64f53bef08519037a5e4fc2ef8f8034e91b240b5d3511a2cdec08e308e8e473a7430a83b

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

qfff

C2

http://www.yuumgo.academy/qfff/

Decoy

lakechelanwedding.com

jengly.com

alluresme.com

axswallet.com

meetmedubai.com

kortzfamily.com

whishfullittles.com

mts-consultant.com

amhoses.com

hdaz2.xyz

lkgsbx.com

b0ay.com

hlthits.com

dicsordgift.com

bearaconnect.com

strategicpropertyventures.com

158393097102.xyz

officesetupofficesetup.com

industrynewz.com

uperionorthamerica.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 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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 behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3644
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uVxomBuy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3588.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1996
      • C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
        3⤵
          PID:2592
        • C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
          "C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4464
      • C:\Windows\SysWOW64\colorcpl.exe
        "C:\Windows\SysWOW64\colorcpl.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4352
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
          3⤵
            PID:4556

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1996-126-0x0000000000000000-mapping.dmp

      • memory/3048-131-0x00000000049F0000-0x0000000004B8D000-memory.dmp

        Filesize

        1.6MB

      • memory/3048-138-0x0000000004B90000-0x0000000004CA0000-memory.dmp

        Filesize

        1.1MB

      • memory/3644-120-0x00000000058D0000-0x00000000058D1000-memory.dmp

        Filesize

        4KB

      • memory/3644-117-0x0000000005D00000-0x0000000005D01000-memory.dmp

        Filesize

        4KB

      • memory/3644-121-0x0000000008C70000-0x0000000008C71000-memory.dmp

        Filesize

        4KB

      • memory/3644-122-0x00000000059D0000-0x00000000059D7000-memory.dmp

        Filesize

        28KB

      • memory/3644-123-0x00000000092F0000-0x00000000092F1000-memory.dmp

        Filesize

        4KB

      • memory/3644-124-0x0000000009190000-0x00000000091EF000-memory.dmp

        Filesize

        380KB

      • memory/3644-118-0x0000000005800000-0x0000000005801000-memory.dmp

        Filesize

        4KB

      • memory/3644-125-0x0000000009200000-0x000000000922F000-memory.dmp

        Filesize

        188KB

      • memory/3644-115-0x0000000000D00000-0x0000000000D01000-memory.dmp

        Filesize

        4KB

      • memory/3644-119-0x00000000057D0000-0x00000000057D1000-memory.dmp

        Filesize

        4KB

      • memory/4352-136-0x0000000004760000-0x0000000004A80000-memory.dmp

        Filesize

        3.1MB

      • memory/4352-132-0x0000000000000000-mapping.dmp

      • memory/4352-134-0x0000000002920000-0x0000000002949000-memory.dmp

        Filesize

        164KB

      • memory/4352-133-0x0000000000350000-0x0000000000369000-memory.dmp

        Filesize

        100KB

      • memory/4352-137-0x0000000004590000-0x0000000004620000-memory.dmp

        Filesize

        576KB

      • memory/4464-129-0x00000000014D0000-0x00000000017F0000-memory.dmp

        Filesize

        3.1MB

      • memory/4464-127-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/4464-130-0x0000000000F00000-0x0000000000FAE000-memory.dmp

        Filesize

        696KB

      • memory/4464-128-0x000000000041D400-mapping.dmp

      • memory/4556-135-0x0000000000000000-mapping.dmp