Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 18:50

General

  • Target

    7336773cda35ca7da53e9ce3454d2f5094fe7d20e79397c338814106b94b6d7d.exe

  • Size

    338KB

  • MD5

    3e4c16d9130d98dfcf7ca845d4c34b80

  • SHA1

    c72fca9756823d85ec81ca9856cce7604a49e0e7

  • SHA256

    7336773cda35ca7da53e9ce3454d2f5094fe7d20e79397c338814106b94b6d7d

  • SHA512

    9788b0f06265a0f19e66fc4ed97559b861534b3896cfd7bb78ac6b4f4707894a4ec76963970331bfeb37b95e1281c5492689906e0bfe1cb581c459530dfae5ef

  • SSDEEP

    6144:nvHWrZ+i8/iYiVst4UKVRw8pDrKlGSeNWcx1RsF9gc+XYWE:vHW138/iXWlK885rKlGSekcj66ciI

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 24 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7336773cda35ca7da53e9ce3454d2f5094fe7d20e79397c338814106b94b6d7d.exe
    "C:\Users\Admin\AppData\Local\Temp\7336773cda35ca7da53e9ce3454d2f5094fe7d20e79397c338814106b94b6d7d.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\focuf.exe
      "C:\Users\Admin\AppData\Local\Temp\focuf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Users\Admin\AppData\Local\Temp\nyxue.exe
        "C:\Users\Admin\AppData\Local\Temp\nyxue.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2020
    • 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:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    340B

    MD5

    569d6c89e11fb43d80a460ee3263cd13

    SHA1

    9e235ce57c6aa2cf7ff57f82415db66b6fbc8323

    SHA256

    ae10a167e94897ea24d4e22c0333a0e7db867aa82be2625043dd809a705bcfd0

    SHA512

    0965a06333d79695224bd0b1cbfd48460ad128630e99cd97bfb05dddf388e23504ec85b2572225b9e099dc42cadb2bcb8b8bf047172f87101364ff9bf6466667

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

    Filesize

    512B

    MD5

    5b4d8c704a4ddfb1650246440f957697

    SHA1

    e3381a25f531e3d09c1b7624b421b20d2da1879a

    SHA256

    0a595080c7c4d1927c249c82d54aef4eb6008cf2048dd03ca246da560c13bc97

    SHA512

    751c1fee4fb536e3c2e16720a8dffacc06484e9b45bacd55ec2cb7f93a07e3d687bcb571b02148c0ce149d7ba61d72aa7206102e8cfb58f453758c1e942b00c7

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

    Filesize

    338KB

    MD5

    c4c9b79a23e9272ff1d764e002f29907

    SHA1

    b51a207941bf606dd43836be28d183a997f8aef6

    SHA256

    4aeb4e2fdfea95adadb71a86d111eb5e514ec5b157e4226958f9767f85768522

    SHA512

    dc1566ae6e29622cfdc0d56a49428197f24e18ce77e504c912adca0e0527f336be411d16dfb4c60b4d11c0137a69711c2309fa687bd30e9b157d340a3739943f

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

    Filesize

    172KB

    MD5

    e2d98ee106d4b2eade4102717cfbeeca

    SHA1

    412dbccccd315b0ebd7b542c9011b333b940aabe

    SHA256

    ae2ae1da4e4024d484c09aea8acf5a96199c479471ba3bf91227577ea73e7edc

    SHA512

    fea089437f8081d19277d6c2e9e3046fa85d138a893d8ab5d89a93db56b61d8b7abbc06188c2f6c94abb76eee19a9e12de921a49c87381e8b6a7d37a3c60e2ef

  • memory/1660-10-0x0000000002620000-0x00000000026A1000-memory.dmp

    Filesize

    516KB

  • memory/1660-0-0x00000000002A0000-0x0000000000321000-memory.dmp

    Filesize

    516KB

  • memory/1660-1-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/1660-20-0x00000000002A0000-0x0000000000321000-memory.dmp

    Filesize

    516KB

  • memory/2020-43-0x0000000000D60000-0x0000000000DF9000-memory.dmp

    Filesize

    612KB

  • memory/2020-46-0x0000000000D60000-0x0000000000DF9000-memory.dmp

    Filesize

    612KB

  • memory/2020-48-0x0000000000D60000-0x0000000000DF9000-memory.dmp

    Filesize

    612KB

  • memory/2020-49-0x0000000000D60000-0x0000000000DF9000-memory.dmp

    Filesize

    612KB

  • memory/3040-18-0x00000000010B0000-0x0000000001131000-memory.dmp

    Filesize

    516KB

  • memory/3040-38-0x0000000003340000-0x00000000033D9000-memory.dmp

    Filesize

    612KB

  • memory/3040-21-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/3040-24-0x00000000010B0000-0x0000000001131000-memory.dmp

    Filesize

    516KB

  • memory/3040-25-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/3040-42-0x00000000010B0000-0x0000000001131000-memory.dmp

    Filesize

    516KB