Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    15-11-2021 07:05

General

  • Target

    soa#2021011015.exe

  • Size

    286KB

  • MD5

    77f19e38f4e1eeb655d01114be0e710c

  • SHA1

    a7bbc2ed7b159f441107d43dcceca5be98623556

  • SHA256

    f9744d616627a9e5640bfb7cc0c88b03e52b53141f1647c57a3b3d77766d510d

  • SHA512

    1c0f548fe3cc9e4a7ac16d7365b7f11f475b9e78daff61b548d1a7f45b7c5b633d82fdb770b079dfd51bbb0d5ee85a8891c411d1de925720184385071101db5f

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
  • Deletes itself 1 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe
      "C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe
        "C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:880
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\soa#2021011015.exe"
        3⤵
        • Deletes itself
        PID:276

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsiAD31.tmp\hiib.dll
    MD5

    0aecec56e3ae0fb3d77c3c2c35d2a147

    SHA1

    f6478611f5048e9f7d6b79c29e4e187ae15b2ada

    SHA256

    d22526223a8d35f173f0704477783bbe564d69babbef43aa2133b8ca4172dd27

    SHA512

    5009e773fee22b766edb902b850864b062cdf01b77bdf5ada7f9cf8b889b788b0aefc73be5e6f2af0d2b252a229001b8f3aa64989cdcf917561916dd3fbae0ae

  • memory/276-64-0x0000000000000000-mapping.dmp
  • memory/880-57-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/880-58-0x000000000041D4D0-mapping.dmp
  • memory/880-61-0x0000000000260000-0x0000000000271000-memory.dmp
    Filesize

    68KB

  • memory/880-60-0x0000000000700000-0x0000000000A03000-memory.dmp
    Filesize

    3.0MB

  • memory/1392-62-0x0000000004120000-0x00000000041CC000-memory.dmp
    Filesize

    688KB

  • memory/1392-69-0x0000000006BC0000-0x0000000006CB6000-memory.dmp
    Filesize

    984KB

  • memory/1628-55-0x00000000758F1000-0x00000000758F3000-memory.dmp
    Filesize

    8KB

  • memory/1640-63-0x0000000000000000-mapping.dmp
  • memory/1640-66-0x00000000000D0000-0x00000000000F9000-memory.dmp
    Filesize

    164KB

  • memory/1640-65-0x0000000000E10000-0x0000000000E17000-memory.dmp
    Filesize

    28KB

  • memory/1640-67-0x0000000002220000-0x0000000002523000-memory.dmp
    Filesize

    3.0MB

  • memory/1640-68-0x0000000000930000-0x00000000009C0000-memory.dmp
    Filesize

    576KB