Analysis

  • max time kernel
    119s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2024 20:09

General

  • Target

    57f4a5d8b7082f2cf04b6abc9776a835ec40ebb3391ef7a3bfedbdfebec847d2N.exe

  • Size

    330KB

  • MD5

    8ed8fe4236bd3275ca6fb53ea7adeef0

  • SHA1

    af97463ad45ec8f778be83b82909e222c0076265

  • SHA256

    57f4a5d8b7082f2cf04b6abc9776a835ec40ebb3391ef7a3bfedbdfebec847d2

  • SHA512

    9e0992b9ae3b18ce3e0daabf36b6e92dc56156ecc291a5c1eafa16b47e60fe99b4766829b45dfe99cfac2fb2fce35507ee8bcea5610db7220428c98328874a20

  • SSDEEP

    6144:nvHWrZ+i8/iYiVst4UKVRw8pDrKlGSeNWcx1RsF9gc+XYG:vHW138/iXWlK885rKlGSekcj66ciL

Score
10/10

Malware Config

Extracted

Family

urelas

C2

218.54.31.226

218.54.31.165

218.54.31.166

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Urelas family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57f4a5d8b7082f2cf04b6abc9776a835ec40ebb3391ef7a3bfedbdfebec847d2N.exe
    "C:\Users\Admin\AppData\Local\Temp\57f4a5d8b7082f2cf04b6abc9776a835ec40ebb3391ef7a3bfedbdfebec847d2N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Users\Admin\AppData\Local\Temp\byzym.exe
      "C:\Users\Admin\AppData\Local\Temp\byzym.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Users\Admin\AppData\Local\Temp\gumic.exe
        "C:\Users\Admin\AppData\Local\Temp\gumic.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2876
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_uinsey.bat

    Filesize

    342B

    MD5

    6e8d954fb1dddba6478e87ba0e58a3b0

    SHA1

    e7093781d87eca308159a1d1bbd32fe190fc967a

    SHA256

    4caa108699460495771fe7f2890e821a4fd25a7bd18072f13b57ee25fccf7a5e

    SHA512

    09ec249e5465ef9c9c89d9a67fbdaa1ed3aa96da2e947262f5ba95cbba7f9b70afec9bcea5a406727d3df6f9a489dcaf10cc89d6c2dc065a04dd59f645654cfc

  • C:\Users\Admin\AppData\Local\Temp\byzym.exe

    Filesize

    330KB

    MD5

    33fe79835c60e267268f78a6f9693d2e

    SHA1

    8b6b48c28d9ed46c96ecd1d91d57fe9f37b0ec0b

    SHA256

    01b43bffe98cb9b82796ac90cb151b4fd60ca0a97c34a08b33da6bcc863c313d

    SHA512

    37e7ec20a17367f061f98676040f563aa18e9d1df0a9ecf0d7a769be189a78129b542a68a41be8991ef8888d123927886f637c15691e3df70a68b59d1fbad5af

  • C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

    Filesize

    512B

    MD5

    3054fb85434c94a861c2841adf09fb54

    SHA1

    27b928a37c8d28ee3e991d59a1665627ab876fc7

    SHA256

    38848fb726765fc72e41b60059c1314a14935103bbfd600a5520c60d8685f370

    SHA512

    81392b13b569a603e2241880c3d05269c333975533f52b41fd5b013f6d3b48b68da04bcff41f817f16c8e5ca6ed666075576d642a07bb5474c22f146acb653ed

  • \Users\Admin\AppData\Local\Temp\gumic.exe

    Filesize

    172KB

    MD5

    c058a423eda9719c05d652897b3ad3ad

    SHA1

    08bfd8061ce8f4f4b0b11124a4041bc01ea0631d

    SHA256

    4b88eb4156a6c5dab95790a0e1fc8959f4e2b988df198b375f3a493bc6d235d4

    SHA512

    8016bc9660752090704cdd2a76b3689007f1c4ce6e4e699c6a6d95aadc369f5b56271222cdb3d2d936bae4258bb7ae2a0e0dfdaa7cf2d5f91119424d2fecafaf

  • memory/2636-1-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/2636-0-0x00000000002D0000-0x0000000000351000-memory.dmp

    Filesize

    516KB

  • memory/2636-20-0x00000000002D0000-0x0000000000351000-memory.dmp

    Filesize

    516KB

  • memory/2636-17-0x00000000026E0000-0x0000000002761000-memory.dmp

    Filesize

    516KB

  • memory/2744-18-0x0000000000F20000-0x0000000000FA1000-memory.dmp

    Filesize

    516KB

  • memory/2744-23-0x0000000000F20000-0x0000000000FA1000-memory.dmp

    Filesize

    516KB

  • memory/2744-24-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/2744-38-0x00000000032F0000-0x0000000003389000-memory.dmp

    Filesize

    612KB

  • memory/2744-19-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/2744-41-0x0000000000F20000-0x0000000000FA1000-memory.dmp

    Filesize

    516KB

  • memory/2876-45-0x00000000002A0000-0x0000000000339000-memory.dmp

    Filesize

    612KB

  • memory/2876-42-0x00000000002A0000-0x0000000000339000-memory.dmp

    Filesize

    612KB

  • memory/2876-47-0x00000000002A0000-0x0000000000339000-memory.dmp

    Filesize

    612KB

  • memory/2876-48-0x00000000002A0000-0x0000000000339000-memory.dmp

    Filesize

    612KB