Analysis

  • max time kernel
    89s
  • max time network
    90s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 01:21

General

  • Target

    033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe

  • Size

    60KB

  • MD5

    d6a7907dab1f4a9f29ccbf821bf8f4e0

  • SHA1

    925556045f03dd5e8272fc50f9583c496b1e10ee

  • SHA256

    033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6

  • SHA512

    6c531aec2dcda2074f0ae0b99ce9972cf6955f4db06a9c643a3445c789564c3e26a8fb30c40ae78a9cb1bd21927f329b016cad31987f701372f0a3993548b29a

  • SSDEEP

    768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPu:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd1

Score
10/10

Malware Config

Extracted

Family

urelas

C2

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe
    "C:\Users\Admin\AppData\Local\Temp\033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2328
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    60KB

    MD5

    4de36d4290039bb337a0333a93c65b20

    SHA1

    a0c94ce2c24ffe371cb0b92ecc4939ce4baf48b5

    SHA256

    96f95d9a17ab7db82938ee13fa88371063c3541feabdf10b7443ab061c8a0a24

    SHA512

    69c7cf25e907db76339fd5cb1c0a20a6d1a0a633d7109e3519f8fa05a37cbd1ad9cc8016a71c7d9ad468528afd9e9936cd18879bbf8986c1054389e24005d258

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

    Filesize

    512B

    MD5

    55e10a9af74d3f3fa5ae3cb7ff5ad9d4

    SHA1

    449221fd8d7196a54de2bd583625d8d1b64db56a

    SHA256

    a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

    SHA512

    4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

    Filesize

    340B

    MD5

    9261d0d04b9005527106e68a3f8c02fc

    SHA1

    dd54a10265982ce47e7ced9221c7dd82591b5ee7

    SHA256

    fa4bd1fe4368631f2c2e74c29c85d464d034448f2f0ff3cc543011681ec3b1a7

    SHA512

    97151645f0a8222146e5daad827cbee63736e2ab82f674a8acff51a924c8b40561dd8c444e59004630d2e2a7f4d5830a25e8e1d2b5b81395f3eeb3227b318c51

  • memory/2328-17-0x0000000000300000-0x0000000000335000-memory.dmp

    Filesize

    212KB

  • memory/2328-22-0x0000000000300000-0x0000000000335000-memory.dmp

    Filesize

    212KB

  • memory/2328-25-0x0000000000300000-0x0000000000335000-memory.dmp

    Filesize

    212KB

  • memory/2328-32-0x0000000000300000-0x0000000000335000-memory.dmp

    Filesize

    212KB

  • memory/3060-0-0x0000000000E90000-0x0000000000EC5000-memory.dmp

    Filesize

    212KB

  • memory/3060-16-0x0000000000970000-0x00000000009A5000-memory.dmp

    Filesize

    212KB

  • memory/3060-19-0x0000000000E90000-0x0000000000EC5000-memory.dmp

    Filesize

    212KB