Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    03-12-2021 12:10

General

  • Target

    Swift Copy_44000.exe

  • Size

    320KB

  • MD5

    03d853072e1cab50b55cce6883e5e72e

  • SHA1

    a3d35ebdb90c950db690d900c57b804cb4874b4e

  • SHA256

    5da3ef49a658c41da32f3258e3124c24e9641496ea1c2443d40c680a9f7b0e8c

  • SHA512

    0229de62952ebc975333eb6ec25e9d47fd7f658e44661d198d17a8b6b833291b42f4f08e7ec41e574dd2dba8d58da54c0c0375e1d764bd26fe84fc3aa70d8116

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

e8ia

C2

http://www.helpfromjames.com/e8ia/

Decoy

le-hameau-enchanteur.com

quantumsystem-au.club

engravedeeply.com

yesrecompensas.lat

cavallitowerofficials.com

800seaspray.com

skifun-jetski.com

thouartafoot.com

nft2dollar.com

petrestore.online

cjcutthecord2.com

tippimccullough.com

gadget198.xyz

djmiriam.com

bitbasepay.com

cukierniawz.com

mcclureic.xyz

inthekitchenshakinandbakin.com

busy-clicks.com

melaniemorris.online

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
  • Loads dropped DLL 1 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.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\Swift Copy_44000.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift Copy_44000.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3828
      • C:\Users\Admin\AppData\Local\Temp\Swift Copy_44000.exe
        "C:\Users\Admin\AppData\Local\Temp\Swift Copy_44000.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4316
    • 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
      • Suspicious use of WriteProcessMemory
      PID:4436
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Swift Copy_44000.exe"
        3⤵
          PID:4424

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nsdF222.tmp\yktbz.dll
      MD5

      31d640c277ad7bae2ef34f6f96a00e48

      SHA1

      79c82dc55f7809a09e743246c592b13738d82474

      SHA256

      de7e672353424bf282a669abc6002140cd1103eed39b5ddb685ffb3b0ccffe85

      SHA512

      d2ac29df6eeda50ca0f8252542f05a790b18d970e1d8ea7f6a2582c2dff33d948f0c616a5061c556522bc90e3cfdc69ecba0a520a8f848d577b46b220fc76934

    • memory/2672-121-0x00000000058D0000-0x0000000005A48000-memory.dmp
      Filesize

      1.5MB

    • memory/2672-128-0x0000000007810000-0x000000000795A000-memory.dmp
      Filesize

      1.3MB

    • memory/4316-116-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/4316-117-0x000000000041D4D0-mapping.dmp
    • memory/4316-119-0x0000000000AA0000-0x0000000000DC0000-memory.dmp
      Filesize

      3.1MB

    • memory/4316-120-0x00000000009D0000-0x00000000009E1000-memory.dmp
      Filesize

      68KB

    • memory/4424-125-0x0000000000000000-mapping.dmp
    • memory/4436-124-0x0000000003330000-0x0000000003359000-memory.dmp
      Filesize

      164KB

    • memory/4436-123-0x0000000000880000-0x000000000089E000-memory.dmp
      Filesize

      120KB

    • memory/4436-126-0x0000000003780000-0x0000000003AA0000-memory.dmp
      Filesize

      3.1MB

    • memory/4436-127-0x0000000003670000-0x0000000003700000-memory.dmp
      Filesize

      576KB

    • memory/4436-122-0x0000000000000000-mapping.dmp