Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 14:34

General

  • Target

    39fc2f065fcd40fe8eaa9c2111a05f87.exe

  • Size

    465KB

  • MD5

    39fc2f065fcd40fe8eaa9c2111a05f87

  • SHA1

    628101daca9506b2f5863b2962671c462158b82b

  • SHA256

    be4b9fca1e031f9d8314c94515bba09a45c11894738c9cdd223e17d3a91c3dd8

  • SHA512

    9cf10ed0ee1be9deffea5667543baef95e60788a2463e3859c6ad07eb530cab782423d674f2aed272f83d8fe9afb9d74df8254dfe43c846e70ae14158cd6c309

  • SSDEEP

    12288:m6twjLHj/8/GcHUIdPPzEmvTnabAh0ZnAr1UFW:m6tQCG0UUPzEkTn4AC1+P

Score
10/10

Malware Config

Extracted

Family

urelas

C2

1.234.83.146

133.242.129.155

218.54.31.226

218.54.30.235

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39fc2f065fcd40fe8eaa9c2111a05f87.exe
    "C:\Users\Admin\AppData\Local\Temp\39fc2f065fcd40fe8eaa9c2111a05f87.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuy.bat" "
      2⤵
        PID:1184
      • C:\Users\Admin\AppData\Local\Temp\edmau.exe
        "C:\Users\Admin\AppData\Local\Temp\edmau.exe"
        2⤵
        • Executes dropped EXE
        PID:3548
        • C:\Users\Admin\AppData\Local\Temp\ricyi.exe
          "C:\Users\Admin\AppData\Local\Temp\ricyi.exe"
          3⤵
            PID:1184

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        381KB

        MD5

        ec9fdd3590830abfb8ef1d43032bfae5

        SHA1

        84feece69ba3ac2fb22c4d4b1c79c952936eaae9

        SHA256

        c86d16e277694e3240419b4299a5da759543f09b6dd5f24940b31d2ada557797

        SHA512

        82c6f6f1094d57b8a5739615fc93740e8f86b02c7f84df8e4bade1096047f2b4ca22f5ffae3581ed6e870ffaad151077e3a30c4d51dc95ece47855cfedc6282e

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

        Filesize

        342KB

        MD5

        8b3b4aa1324f1d6261ef56d1e60c5c2a

        SHA1

        35ca5a243b6bccd6aacb6a89131a4df661403f1e

        SHA256

        2a1a14613e202579204ddb237bd5a3c7581eaa64c6d1a45209ce967e68388eab

        SHA512

        24530e85facc2b2099521abfbbf2a991b476521274fc352b6e15a83ba6ad239f5a5ab95c8530c782ee08d0dd0742bf35a350c8a0c004d2e081a06521879a89f8

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

        Filesize

        512B

        MD5

        36b11dbad39262aec7b65ab1c5d684da

        SHA1

        d14a1c4c5a71cbb1c03f9ec189d8946db3c8cbd5

        SHA256

        98ee4717bc967bb0980e109b2337c7459f98b7680604a36e7a4de557ef611d79

        SHA512

        df67eab4f5d07feccfcda0bce1ff61fab3dc746af9a9d3df7d52e87408fe37d0e377a3d75fe9ae72ee34f1b2e07f7701813f17abb4d7df63e2c48ec72dccd402

      • memory/1184-29-0x0000000000400000-0x000000000049F000-memory.dmp

        Filesize

        636KB

      • memory/1184-32-0x0000000000400000-0x000000000049F000-memory.dmp

        Filesize

        636KB

      • memory/1184-31-0x0000000000400000-0x000000000049F000-memory.dmp

        Filesize

        636KB

      • memory/1184-30-0x0000000000400000-0x000000000049F000-memory.dmp

        Filesize

        636KB

      • memory/1184-25-0x0000000000400000-0x000000000049F000-memory.dmp

        Filesize

        636KB

      • memory/1184-28-0x0000000000400000-0x000000000049F000-memory.dmp

        Filesize

        636KB

      • memory/3548-12-0x0000000000A90000-0x0000000000B0C000-memory.dmp

        Filesize

        496KB

      • memory/3548-26-0x0000000000A90000-0x0000000000B0C000-memory.dmp

        Filesize

        496KB

      • memory/4284-0-0x0000000000AD0000-0x0000000000B4C000-memory.dmp

        Filesize

        496KB

      • memory/4284-14-0x0000000000AD0000-0x0000000000B4C000-memory.dmp

        Filesize

        496KB