Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    26-11-2021 04:05

General

  • Target

    remittance advice_001001098.exe

  • Size

    331KB

  • MD5

    7877a7074c688baf439f7ec1ab150682

  • SHA1

    6c2539fb927b57388866f1c072cdf681b585fb2a

  • SHA256

    08ade6bd3efcd20c80defdde936ef1329713af42d28889ffb69ba26b321a297f

  • SHA512

    6e5dff775fe478634fc3553b0bed3e9e9fda7a956cc17743f2b1b27e06256008ba7bc229d55a409cb710f078c97b70bb709c764b9fc144c0700d77dab6f83402

Score
10/10

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.

  • Xloader Payload 4 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:2436
    • C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe
      "C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3596
      • C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe
        "C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3984
    • 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:3944
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe"
        3⤵
          PID:3920

    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\nsr95BA.tmp\tngylslz.dll
      MD5

      5dce4ab196ebed51421a281746048281

      SHA1

      372e20701622727ca50c39feeccb53d5c26102ff

      SHA256

      ccc17ccc0b0f0f45309c8dbff3671f9a1d178e5cf22e47174f8da054f71e1edd

      SHA512

      a03f9bbb52c755ef73fd2ed425454f1d47432d3e59937324761f3817be21d719c7a8b947d315fccbf7e197c081beb9cafe727952606634ba31ee1c07c59ae30e

    • memory/2436-124-0x0000000005A20000-0x0000000005B86000-memory.dmp
      Filesize

      1.4MB

    • memory/2436-131-0x0000000006BE0000-0x0000000006D65000-memory.dmp
      Filesize

      1.5MB

    • memory/3920-129-0x0000000000000000-mapping.dmp
    • memory/3944-128-0x0000000003770000-0x0000000003A90000-memory.dmp
      Filesize

      3.1MB

    • memory/3944-125-0x0000000000000000-mapping.dmp
    • memory/3944-126-0x00000000011E0000-0x00000000011FE000-memory.dmp
      Filesize

      120KB

    • memory/3944-127-0x0000000000DC0000-0x0000000000DE9000-memory.dmp
      Filesize

      164KB

    • memory/3944-130-0x00000000034C0000-0x0000000003550000-memory.dmp
      Filesize

      576KB

    • memory/3984-122-0x0000000000A70000-0x0000000000D90000-memory.dmp
      Filesize

      3.1MB

    • memory/3984-123-0x0000000000550000-0x000000000069A000-memory.dmp
      Filesize

      1.3MB

    • memory/3984-120-0x000000000041D4D0-mapping.dmp
    • memory/3984-119-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB