Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 07:26

General

  • Target

    74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe

  • Size

    408KB

  • MD5

    74bd3fc0782c84d45e5659a378f9dc01

  • SHA1

    e905675d92d1ee0d278796af59827b1231cc9d34

  • SHA256

    bffc9c0c74952c439ca980be37a1f1e21c182b13c992f1a345a541413bfea91a

  • SHA512

    0da4491c4558970de3f13a85769d73354b2b369031fd3bfee2c8d3a393c814a005f6f2a3e32edf4d5c563dfaf0b3fdb1c49006ec51c2bd673bb814517dba7e80

  • SSDEEP

    6144:LHAgbCa8sGQTpS1KzolRLNYXkw7W1ZA4s9m8HTVZ:LHX8kT8KznXkBskUTVZ

Malware Config

Extracted

Family

xloader

Version

2.1

Campaign

u4xn

Decoy

yanghl.com

decorvea.online

xn--fjq92bw28b1tloj5a39d42h.com

yumler.info

laketravisautosales.net

zjnrgx.info

harrimanpm.com

dell-yh.com

eze.fitness

pritpritzoom.com

hackgarage.com

mydomterry.net

castrotom.com

coffeecosplay.com

wsfg-hk.com

crystalbeachstudio.com

bestofreadbook.win

sutasz.info

yunfengyue.com

h11011.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Users\Admin\AppData\Local\Temp\74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4728
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v msufr.exe /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\sogm.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3768
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v msufr.exe /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\sogm.exe"
          4⤵
          • Adds Run key to start application
          PID:4348
      • C:\Users\Admin\sogm.exe
        "C:\Users\Admin\sogm.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
          "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1196
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
        3⤵
          PID:3452
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2720

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
        Filesize

        42KB

        MD5

        9827ff3cdf4b83f9c86354606736ca9c

        SHA1

        e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

        SHA256

        c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

        SHA512

        8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

      • C:\Users\Admin\sogm.exe
        Filesize

        408KB

        MD5

        74bd3fc0782c84d45e5659a378f9dc01

        SHA1

        e905675d92d1ee0d278796af59827b1231cc9d34

        SHA256

        bffc9c0c74952c439ca980be37a1f1e21c182b13c992f1a345a541413bfea91a

        SHA512

        0da4491c4558970de3f13a85769d73354b2b369031fd3bfee2c8d3a393c814a005f6f2a3e32edf4d5c563dfaf0b3fdb1c49006ec51c2bd673bb814517dba7e80

      • memory/1196-56-0x0000000000400000-0x0000000000428000-memory.dmp
        Filesize

        160KB

      • memory/1196-53-0x0000000001530000-0x000000000187A000-memory.dmp
        Filesize

        3.3MB

      • memory/1196-48-0x0000000000400000-0x0000000000428000-memory.dmp
        Filesize

        160KB

      • memory/2560-61-0x0000000000370000-0x0000000000398000-memory.dmp
        Filesize

        160KB

      • memory/2560-59-0x0000000000120000-0x0000000000132000-memory.dmp
        Filesize

        72KB

      • memory/2560-57-0x0000000000120000-0x0000000000132000-memory.dmp
        Filesize

        72KB

      • memory/2560-55-0x0000000000120000-0x0000000000132000-memory.dmp
        Filesize

        72KB

      • memory/4132-41-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4132-45-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4132-52-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4132-50-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4132-43-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4132-46-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4728-7-0x0000000005620000-0x000000000562A000-memory.dmp
        Filesize

        40KB

      • memory/4728-44-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4728-8-0x00000000056D0000-0x0000000005762000-memory.dmp
        Filesize

        584KB

      • memory/4728-12-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4728-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp
        Filesize

        4KB

      • memory/4728-9-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4728-6-0x0000000005B90000-0x0000000006134000-memory.dmp
        Filesize

        5.6MB

      • memory/4728-5-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4728-4-0x0000000074ABE000-0x0000000074ABF000-memory.dmp
        Filesize

        4KB

      • memory/4728-3-0x0000000004CB0000-0x0000000004CCC000-memory.dmp
        Filesize

        112KB

      • memory/4728-2-0x0000000074AB0000-0x0000000075260000-memory.dmp
        Filesize

        7.7MB

      • memory/4728-1-0x0000000000390000-0x00000000003FC000-memory.dmp
        Filesize

        432KB