Resubmissions

24/10/2024, 15:47

241024-s77adswhlp10

24/10/2024, 15:44

241024-s6mvcs1flg10

Analysis

  • max time kernel
    6s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2024, 15:44

General

  • Target
    Device/HarddiskVolume4/Users/belia.peso.IBEROSTARHV.000/AppData/Local/Temp/Rar$EXa7092.35635/factura 563423.exe
  • Size 901KB
  • Sample241024-s6mvcs1flg
  • SHA256 057e7554f7a499adfd2c0a3485675fef4f602b23e2e0a1fd4e07da5b993e4ebf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume4\Users\belia.peso.IBEROSTARHV.000\AppData\Local\Temp\Rar$EXa7092.35635\factura 563423.exe
    "C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume4\Users\belia.peso.IBEROSTARHV.000\AppData\Local\Temp\Rar$EXa7092.35635\factura 563423.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume4\Users\belia.peso.IBEROSTARHV.000\AppData\Local\Temp\Rar$EXa7092.35635\factura 563423.exe
      "C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume4\Users\belia.peso.IBEROSTARHV.000\AppData\Local\Temp\Rar$EXa7092.35635\factura 563423.exe"
      2⤵
        PID:2444
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 1540
          3⤵
          • Program crash
          PID:4012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2444 -ip 2444
      1⤵
        PID:3900

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsm70AD.tmp\System.dll
            • Size 11KB
            • SHA256 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
            • MD5 SHA1 SHA512 SSDEEP

            peripheries.lnk

            • Path C:\Users\Admin\Desktop\peripheries.lnk
            • Size 868B
            • SHA256 77e04cebc689574fbed7014b1bbf3b8fbc4fbb79a91d6bcfbe39f2e6ccbee824
            • MD5 SHA1 SHA512

            peripheries.lnk

            • Path C:\Users\Admin\Desktop\peripheries.lnk
            • Size 838B
            • SHA256 03f9d8e7d4d738722029eff44b70734152d06925c2ed63e7fd49ea5879078f8f
            • MD5 SHA1 SHA512

            memory/1360-24644-0x0000000003460000-0x0000000004CCB000-memory.dmp

            memory/1360-24645-0x0000000077621000-0x0000000077741000-memory.dmp

            memory/1360-24646-0x0000000010004000-0x0000000010005000-memory.dmp

            memory/1360-24648-0x0000000003460000-0x0000000004CCB000-memory.dmp

            memory/2444-24651-0x00000000776C5000-0x00000000776C6000-memory.dmp

            memory/2444-24668-0x0000000000401000-0x0000000000404000-memory.dmp

            memory/2444-24650-0x00000000776A8000-0x00000000776A9000-memory.dmp

            memory/2444-24649-0x0000000001660000-0x0000000002ECB000-memory.dmp

            memory/2444-24658-0x0000000001660000-0x0000000002ECB000-memory.dmp

            memory/2444-24660-0x0000000077621000-0x0000000077741000-memory.dmp

            memory/2444-24659-0x0000000000400000-0x0000000001654000-memory.dmp

            memory/2444-24647-0x0000000000400000-0x0000000001654000-memory.dmp

            memory/2444-24667-0x0000000000400000-0x0000000001654000-memory.dmp

            memory/2444-24669-0x0000000000400000-0x0000000001654000-memory.dmp

            memory/2444-24670-0x0000000000400000-0x0000000001654000-memory.dmp

            memory/2444-24671-0x0000000000400000-0x0000000001654000-memory.dmp

            memory/2444-24672-0x0000000000400000-0x0000000001654000-memory.dmp

            memory/2444-24674-0x0000000000401000-0x0000000000404000-memory.dmp

            memory/2444-24673-0x0000000001660000-0x0000000002ECB000-memory.dmp