Resubmissions

24-10-2024 15:47

241024-s77adswhlp 10

24-10-2024 15:44

241024-s6mvcs1flg 10

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

  • MD5

    6cb35cad38c80bbb552c99caf75f9371

  • SHA1

    f1dcc7d9805738aaf1f30b32383674ea30706269

  • SHA256

    057e7554f7a499adfd2c0a3485675fef4f602b23e2e0a1fd4e07da5b993e4ebf

  • SHA512

    638594b7228a8e747c34f1ab7916774feaff1ce58e875e64bb28cc6742472a305c5aa06e709ec708aad990d9e78ce828509af8a575b3fe62082699de1bb81734

  • SSDEEP

    12288:TSlZI9dcNnPmsS7wkJW7DQFeh2FCCMntz6I8128TsXULDh+gDBf6j4Ydcv+l:2lTnpc/J2d2UVf+DLD1BbYGW

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

      • C:\Users\Admin\AppData\Local\Temp\nsm70AD.tmp\System.dll

        Filesize

        11KB

        MD5

        cf85183b87314359488b850f9e97a698

        SHA1

        6b6c790037eec7ebea4d05590359cb4473f19aea

        SHA256

        3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

        SHA512

        fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

      • C:\Users\Admin\Desktop\peripheries.lnk

        Filesize

        868B

        MD5

        2a298c5b8b0e036e9fc026cae0137363

        SHA1

        96f9ad9c057519d2eb339843e14039e47df9a64a

        SHA256

        77e04cebc689574fbed7014b1bbf3b8fbc4fbb79a91d6bcfbe39f2e6ccbee824

        SHA512

        daede9adcc1590059d555223d0855dcc99a0e556eb6e11405c136f9b49565c91d00814c65902e3b20b69a7f3e005e5f4d170e93d7a78861993c9c43585420463

      • C:\Users\Admin\Desktop\peripheries.lnk

        Filesize

        838B

        MD5

        cb22b85e23d1d5d456410baa07cdec53

        SHA1

        cafa83e1a5e8dd209cd032774474c50f7c7e4a5b

        SHA256

        03f9d8e7d4d738722029eff44b70734152d06925c2ed63e7fd49ea5879078f8f

        SHA512

        22b0cf77238fe1459c162b01a55627866d59b01844d2409d37788595267a88287a51acb544cafb5883f47ed023614e3b97e0614fb0c1335c2365f76699725c30

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

        Filesize

        24.4MB

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

        Filesize

        1.1MB

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

        Filesize

        4KB

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

        Filesize

        24.4MB

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

        Filesize

        4KB

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

        Filesize

        12KB

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

        Filesize

        4KB

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

        Filesize

        24.4MB

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

        Filesize

        24.4MB

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

        Filesize

        1.1MB

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

        Filesize

        18.3MB

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

        Filesize

        18.3MB

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

        Filesize

        18.3MB

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

        Filesize

        18.3MB

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

        Filesize

        18.3MB

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

        Filesize

        18.3MB

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

        Filesize

        18.3MB

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

        Filesize

        12KB

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

        Filesize

        24.4MB