Analysis

  • max time kernel
    89s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 12:10

General

  • Target

    d695c3effa1b1e6ca84f8f6b6353fa3783d7098170b24423261d3bdacf20ee40.exe

  • Size

    59KB

  • MD5

    fca7aaf481a36d68c5f44524aad67908

  • SHA1

    280e3b2253bcede967a9b744d229b8dfea2ef54c

  • SHA256

    d695c3effa1b1e6ca84f8f6b6353fa3783d7098170b24423261d3bdacf20ee40

  • SHA512

    5368e38d6f4d7090ac2bf12bde3d6657c7026463f85ad9559a1a25f8af81b344269b5bba30170184b04d5bbadcf787afa403b1e342f5ac960ac1ae1e9b55eafb

  • SSDEEP

    768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPt:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdc

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.

  • Urelas family
  • 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\d695c3effa1b1e6ca84f8f6b6353fa3783d7098170b24423261d3bdacf20ee40.exe
    "C:\Users\Admin\AppData\Local\Temp\d695c3effa1b1e6ca84f8f6b6353fa3783d7098170b24423261d3bdacf20ee40.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2972
    • 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:2492
    • 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:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • 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

    338B

    MD5

    8342817f836547e1ea87f0e19024697e

    SHA1

    0a38c1b13fcc3af9ca247482ccdaa7089bd4b1d1

    SHA256

    a9cfd8a83e93820a5d03aed8e0d5b0b59f30b7d080fac9c157999be8aa7d6b22

    SHA512

    c4011b60d00497b57f0455bf1c44c31274121f339c156382d602c5c119e39a9d123a50c15afc272824d14a3e1ba3f34d7586877232e4feda2810dc7432e4d013

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

    Filesize

    60KB

    MD5

    0b8238673f781f73796d8dd6c3396a7b

    SHA1

    bb9e193bae423e99779029ada225989fb43018df

    SHA256

    4831c654f80a46868029a194594ab6032f8c0a0c60342824684b462326c2e07d

    SHA512

    2a75a496b088dff2ee0ee6af292ef5a5f4a0e87a8f47de8d020cbd74dd51fd6c6d50d669ca6dd6c96e1bb8b5bcec664dd033943b37ff25d5d63da30168b9e656

  • memory/2492-10-0x0000000000240000-0x0000000000275000-memory.dmp

    Filesize

    212KB

  • memory/2492-22-0x0000000000240000-0x0000000000275000-memory.dmp

    Filesize

    212KB

  • memory/2492-24-0x0000000000240000-0x0000000000275000-memory.dmp

    Filesize

    212KB

  • memory/2492-31-0x0000000000240000-0x0000000000275000-memory.dmp

    Filesize

    212KB

  • memory/2972-0-0x0000000000DF0000-0x0000000000E25000-memory.dmp

    Filesize

    212KB

  • memory/2972-7-0x0000000000AA0000-0x0000000000AD5000-memory.dmp

    Filesize

    212KB

  • memory/2972-19-0x0000000000DF0000-0x0000000000E25000-memory.dmp

    Filesize

    212KB