Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 05:20

General

  • Target

    scn14092020.scr

  • Size

    380KB

  • MD5

    f028d6c9991258c5c75e9f234d4dee79

  • SHA1

    2f6b7f76bb4a3342f3450e1cc9ef539c2028c59e

  • SHA256

    576f0ed5ae69ececc1bb11492479101c0281af46cb86a73eae9195376ab02717

  • SHA512

    d3fd7200dad40ce073d477205abf7736e9aa9aab492fec1f42c318f65c2a9e132ab45d6b9c52fa3d7c535db63c392d370e2ee2b4787845c4f5f5408ba352f8be

  • SSDEEP

    6144:Jr5KTzUvCH42ZGb9XF1csV2DoT/oENADXgjDxGXMSwGxDUxQTf2ujAhzs7g8LX9:Z5KEvCH4kGvqfPrDg3kXMitohz38LX9

Malware Config

Extracted

Family

xloader

Version

2.1

Campaign

d9s8

Decoy

adriaguest.com

connerparty.com

jblmhomestore.net

23works.com

environmentsafetymemphis.com

hqxmf.com

hivepublications.com

keebcat.com

smalltownlawns.com

brasserie-lafayette.com

kq-iot.com

theghostfestival.com

dmhowardstudio.com

nittayabeauty.com

thebardi.com

transcash-pocket-money.com

stick.tips

revolucaomindfulness.com

clicrhonealpes.com

ekcraftmasters.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Users\Admin\AppData\Local\Temp\scn14092020.scr
      "C:\Users\Admin\AppData\Local\Temp\scn14092020.scr" /S
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1020
      • C:\Users\Admin\AppData\Local\Temp\scn14092020.scr
        "C:\Users\Admin\AppData\Local\Temp\scn14092020.scr"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2196
    • C:\Windows\SysWOW64\raserver.exe
      "C:\Windows\SysWOW64\raserver.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3244
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\scn14092020.scr"
        3⤵
          PID:2348
        • C:\Windows\SysWOW64\cmd.exe
          /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
          3⤵
            PID:4412
          • C:\Program Files\Mozilla Firefox\Firefox.exe
            "C:\Program Files\Mozilla Firefox\Firefox.exe"
            3⤵
              PID:376
          • C:\Program Files (x86)\I4hfh\s8updx_dmlgv.exe
            "C:\Program Files (x86)\I4hfh\s8updx_dmlgv.exe"
            2⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4364
            • C:\Program Files (x86)\I4hfh\s8updx_dmlgv.exe
              "C:\Program Files (x86)\I4hfh\s8updx_dmlgv.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1916

        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

        2
        T1112

        Credential Access

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Collection

        Data from Local System

        1
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\DB1
          Filesize

          40KB

          MD5

          a182561a527f929489bf4b8f74f65cd7

          SHA1

          8cd6866594759711ea1836e86a5b7ca64ee8911f

          SHA256

          42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

          SHA512

          9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

        • C:\Users\Admin\AppData\Local\Temp\I4hfh\s8updx_dmlgv.exe
          Filesize

          380KB

          MD5

          f028d6c9991258c5c75e9f234d4dee79

          SHA1

          2f6b7f76bb4a3342f3450e1cc9ef539c2028c59e

          SHA256

          576f0ed5ae69ececc1bb11492479101c0281af46cb86a73eae9195376ab02717

          SHA512

          d3fd7200dad40ce073d477205abf7736e9aa9aab492fec1f42c318f65c2a9e132ab45d6b9c52fa3d7c535db63c392d370e2ee2b4787845c4f5f5408ba352f8be

        • memory/1020-0-0x000000007489E000-0x000000007489F000-memory.dmp
          Filesize

          4KB

        • memory/1020-1-0x0000000000440000-0x00000000004A4000-memory.dmp
          Filesize

          400KB

        • memory/1020-2-0x0000000004E10000-0x0000000004EAC000-memory.dmp
          Filesize

          624KB

        • memory/1020-3-0x0000000004D80000-0x0000000004DC8000-memory.dmp
          Filesize

          288KB

        • memory/1020-4-0x0000000074890000-0x0000000075040000-memory.dmp
          Filesize

          7.7MB

        • memory/1020-5-0x0000000005510000-0x0000000005AB4000-memory.dmp
          Filesize

          5.6MB

        • memory/1020-8-0x0000000074890000-0x0000000075040000-memory.dmp
          Filesize

          7.7MB

        • memory/2196-6-0x0000000000400000-0x0000000000431000-memory.dmp
          Filesize

          196KB

        • memory/2196-12-0x0000000000DF0000-0x0000000000E00000-memory.dmp
          Filesize

          64KB

        • memory/2196-11-0x0000000000400000-0x0000000000431000-memory.dmp
          Filesize

          196KB

        • memory/2196-9-0x0000000001400000-0x000000000174A000-memory.dmp
          Filesize

          3.3MB

        • memory/3244-14-0x0000000000E30000-0x0000000000E4F000-memory.dmp
          Filesize

          124KB

        • memory/3244-16-0x0000000000E30000-0x0000000000E4F000-memory.dmp
          Filesize

          124KB

        • memory/3504-13-0x0000000008EC0000-0x0000000008FBA000-memory.dmp
          Filesize

          1000KB

        • memory/3504-22-0x0000000008FC0000-0x00000000090CF000-memory.dmp
          Filesize

          1.1MB

        • memory/3504-25-0x0000000008FC0000-0x00000000090CF000-memory.dmp
          Filesize

          1.1MB

        • memory/3504-21-0x0000000008FC0000-0x00000000090CF000-memory.dmp
          Filesize

          1.1MB

        • memory/3504-19-0x0000000008EC0000-0x0000000008FBA000-memory.dmp
          Filesize

          1000KB