Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 03:13

General

  • Target

    74bd3fc0782c84d45e5659a378f9dc01JaffaCakes118.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 4 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of UnmapMainImage
    PID:3400
    • C:\Users\Admin\AppData\Local\Temp\74bd3fc0782c84d45e5659a378f9dc01JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\74bd3fc0782c84d45e5659a378f9dc01JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1432
      • 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:1912
        • 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:4892
      • 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:2792
        • 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
          • Suspicious use of WriteProcessMemory
          PID:2640
          • C:\Windows\SysWOW64\autoconv.exe
            "C:\Windows\SysWOW64\autoconv.exe"
            5⤵
              PID:1032
            • C:\Windows\SysWOW64\autoconv.exe
              "C:\Windows\SysWOW64\autoconv.exe"
              5⤵
                PID:4272
              • C:\Windows\SysWOW64\autoconv.exe
                "C:\Windows\SysWOW64\autoconv.exe"
                5⤵
                  PID:1820
                • C:\Windows\SysWOW64\autoconv.exe
                  "C:\Windows\SysWOW64\autoconv.exe"
                  5⤵
                    PID:4112
                  • C:\Windows\SysWOW64\control.exe
                    "C:\Windows\SysWOW64\control.exe"
                    5⤵
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: MapViewOfSection
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:4284
                    • C:\Windows\SysWOW64\cmd.exe
                      /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
                      6⤵
                        PID:2376

            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/1432-42-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/1432-4-0x000000007504E000-0x000000007504F000-memory.dmp
              Filesize

              4KB

            • memory/1432-3-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/1432-5-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/1432-1-0x0000000000760000-0x00000000007CC000-memory.dmp
              Filesize

              432KB

            • memory/1432-7-0x00000000058B0000-0x00000000058BA000-memory.dmp
              Filesize

              40KB

            • memory/1432-8-0x0000000005960000-0x00000000059F2000-memory.dmp
              Filesize

              584KB

            • memory/1432-9-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/1432-12-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/1432-2-0x0000000002B50000-0x0000000002B6C000-memory.dmp
              Filesize

              112KB

            • memory/1432-0-0x000000007504E000-0x000000007504F000-memory.dmp
              Filesize

              4KB

            • memory/1432-6-0x0000000005E10000-0x00000000063B4000-memory.dmp
              Filesize

              5.6MB

            • memory/2640-53-0x0000000001910000-0x0000000001C5A000-memory.dmp
              Filesize

              3.3MB

            • memory/2640-48-0x0000000000400000-0x0000000000428000-memory.dmp
              Filesize

              160KB

            • memory/2640-55-0x0000000000400000-0x0000000000428000-memory.dmp
              Filesize

              160KB

            • memory/2640-57-0x0000000000400000-0x0000000000428000-memory.dmp
              Filesize

              160KB

            • memory/2792-43-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/2792-46-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/2792-45-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/2792-51-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/2792-52-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/2792-44-0x0000000075040000-0x00000000757F0000-memory.dmp
              Filesize

              7.7MB

            • memory/3400-62-0x0000000008EE0000-0x0000000008F87000-memory.dmp
              Filesize

              668KB

            • memory/4284-56-0x00000000008B0000-0x00000000008D7000-memory.dmp
              Filesize

              156KB

            • memory/4284-59-0x0000000000DD0000-0x0000000000DF8000-memory.dmp
              Filesize

              160KB