Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-10-2024 14:29

General

  • Target

    0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe

  • Size

    159KB

  • MD5

    3a746d12104aa8da6a56bc39bfbf9400

  • SHA1

    6e923f8079882c319188440a10bfd1b77d2b15d4

  • SHA256

    0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85

  • SHA512

    349a972eb610164060d4671a2f6197dbea59d5355c96c7c3760eef147d88bc2fb6b5f10954d2ad9cb98a8da38e2b2e083fbe22daabbe5391c767bb403da0e398

  • SSDEEP

    3072:yp56zRJ83+OJ7NoGvdwWy6k04yW/KR0Yi:yOzRWu27dlOd5/Yi

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\0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe
    "C:\Users\Admin\AppData\Local\Temp\0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1684
    • 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:2936
    • 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:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    ac5e84ed8031d66a9fcd5e472ba8091b

    SHA1

    06303add604104d6abbb69458f89773c066b470c

    SHA256

    3a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5

    SHA512

    7bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152

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

    Filesize

    340B

    MD5

    809642777c7cdfbb0dd067abefc87083

    SHA1

    0f6cf2cbc0d15360a5db30d362c124f255e53e6f

    SHA256

    4a53c8eadfbed7dd4c5caafa52c9b4fa6dcbe86cd3144649d2e7cebadf8b3939

    SHA512

    95ddbded3f32c4a7f8e97f9a3c65425e30b4c056ef1ff97825f5b634b3a7c47d50aa53e1a63fcdcf3e8c3cbacced4fd1862537202faeb7db1fb8e86901a94335

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

    Filesize

    159KB

    MD5

    092d11393f381e45e6b857d038f5fc35

    SHA1

    7f9f3d553d7513f1cf6b0353c76333b7c40e06c2

    SHA256

    585a7db88dd016a873629f9f32f53fe5ce69ebfdfffa14763b05753f3a1c6faa

    SHA512

    6f23c464eb74dbfacecb8576b689199b647c4d640227ee73797665f0380c4df0e2e38bc3095b104e2e6e0144be61c4e8de484faacada5efc48c60bc55aeb504a

  • memory/1684-0-0x0000000000BD0000-0x0000000000BFB000-memory.dmp

    Filesize

    172KB

  • memory/1684-7-0x0000000000AB0000-0x0000000000ADB000-memory.dmp

    Filesize

    172KB

  • memory/1684-18-0x0000000000BD0000-0x0000000000BFB000-memory.dmp

    Filesize

    172KB

  • memory/2936-10-0x0000000000EC0000-0x0000000000EEB000-memory.dmp

    Filesize

    172KB

  • memory/2936-21-0x0000000000EC0000-0x0000000000EEB000-memory.dmp

    Filesize

    172KB

  • memory/2936-22-0x0000000000EC0000-0x0000000000EEB000-memory.dmp

    Filesize

    172KB