Analysis

  • max time kernel
    166s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12/05/2022, 19:38

General

  • Target
    Nuevo pedido _WJO-002.exe
  • Size 606KB
  • Sample220512-yccp7acehl
  • SHA256 b0c5c3efda2bcfa189ce5f5b94e1bf298eb712b0ad4e9573293a7883d54f4af9
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • xloader

Version
  • 2.5

Campaign
  • vadq

Decoy
  • sharkyslipper.com

  • 4sansquatre.holdings

  • aryocoding.com

  • diduxi.com

  • gentlemanpig.com

  • hitmanautomation.com

  • 48411.xyz

  • 8388cq.com

  • gurbuzsuaritma.com

  • cushionsandmorehn.com

  • boredones.com

  • pistachio.land

  • funhouse789.com

  • arbitrum.party

  • recalibratementoring.com

  • navarracomercial.com

  • cjlucmpt.com

  • mentication.com

  • leeracingteam.com

  • metanum-solutions.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 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • 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 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nuevo pedido _WJO-002.exe
    "C:\Users\Admin\AppData\Local\Temp\Nuevo pedido _WJO-002.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3524
    • C:\Users\Admin\AppData\Local\Temp\Nuevo pedido _WJO-002.exe
      "C:\Users\Admin\AppData\Local\Temp\Nuevo pedido _WJO-002.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:400
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\windows defender\windows defender.exe'" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4256
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\windows defender\windows defender.exe'" /f
        3⤵
        • Creates scheduled task(s)
        PID:3940
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\Nuevo pedido _WJO-002.exe" "C:\Users\Admin\AppData\Roaming\windows defender\windows defender.exe"
      2⤵
        PID:3848
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        2⤵
          PID:4848
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\SysWOW64\svchost.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4224
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\Nuevo pedido _WJO-002.exe"
            3⤵
              PID:1576
        • C:\Users\Admin\AppData\Roaming\windows defender\windows defender.exe
          "C:\Users\Admin\AppData\Roaming\windows defender\windows defender.exe"
          1⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1100

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              windows defender.exe

              • Path C:\Users\Admin\AppData\Roaming\windows defender\windows defender.exe
              • Size 606KB
              • SHA256 b0c5c3efda2bcfa189ce5f5b94e1bf298eb712b0ad4e9573293a7883d54f4af9
              • MD5 SHA1 SHA512 SSDEEP

              windows defender.exe

              • Path C:\Users\Admin\AppData\Roaming\windows defender\windows defender.exe
              • Size 606KB
              • SHA256 b0c5c3efda2bcfa189ce5f5b94e1bf298eb712b0ad4e9573293a7883d54f4af9
              • MD5 SHA1 SHA512 SSDEEP

              memory/400-140-0x0000000000400000-0x000000000042A000-memory.dmp

              memory/400-135-0x0000000000400000-0x000000000042A000-memory.dmp

              memory/400-137-0x0000000001710000-0x0000000001A5A000-memory.dmp

              memory/400-138-0x00000000016B0000-0x00000000016C1000-memory.dmp

              memory/400-141-0x0000000001B80000-0x0000000001B91000-memory.dmp

              memory/1100-156-0x0000000000760000-0x00000000007FE000-memory.dmp

              memory/2480-152-0x0000000002AD0000-0x0000000002BA9000-memory.dmp

              memory/2480-144-0x00000000081A0000-0x0000000008335000-memory.dmp

              memory/2480-139-0x00000000026E0000-0x00000000027F8000-memory.dmp

              memory/3524-131-0x0000000005E30000-0x00000000063D4000-memory.dmp

              memory/3524-132-0x0000000005880000-0x0000000005912000-memory.dmp

              memory/3524-133-0x0000000005BF0000-0x0000000005BFA000-memory.dmp

              memory/3524-130-0x0000000000C40000-0x0000000000CDE000-memory.dmp

              memory/4224-151-0x0000000001800000-0x0000000001890000-memory.dmp

              memory/4224-150-0x0000000001900000-0x0000000001C4A000-memory.dmp

              memory/4224-148-0x0000000000EE0000-0x0000000000F0A000-memory.dmp

              memory/4224-147-0x0000000000550000-0x000000000055E000-memory.dmp