Analysis

  • max time kernel
    91s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 00:42

General

  • Target

    f10929b3881e1d766d1b834debecd51cb74b3e362f7dac0ce4368f137ed7e0c4.exe

  • Size

    60KB

  • MD5

    56c634314b0075f8a279f1e5d1288548

  • SHA1

    e5c70985f7e3d3dd0a6b5fe2cae786c6b88b2b09

  • SHA256

    f10929b3881e1d766d1b834debecd51cb74b3e362f7dac0ce4368f137ed7e0c4

  • SHA512

    45e72e435cfd3db2e85a14868dee11a58f21fe4c8707227376fed06a3c5c3bf59da6430e96290970eb03ff5a7299a95646301eef389c4140e20648202df12180

  • SSDEEP

    768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxP7:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdr6

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\f10929b3881e1d766d1b834debecd51cb74b3e362f7dac0ce4368f137ed7e0c4.exe
    "C:\Users\Admin\AppData\Local\Temp\f10929b3881e1d766d1b834debecd51cb74b3e362f7dac0ce4368f137ed7e0c4.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2296
    • 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:1620
    • 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:2904

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

    de8e864b5a453df97f8d50199967ef65

    SHA1

    9de8770c063980f718d7cd5205e448cc8ce1053e

    SHA256

    dad0f92b08f1cb8738a0f9ebaae83ac94c62aae17323bf27c40bf59108f5ed9f

    SHA512

    e73dafc80314990fc4008d736b1d7a657fc007f5efb49d83df94e939219f697f686cb6d4f40d14c41e03b2cf616a77682ec54cc9835556e3821c002c2ab8aa2f

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

    Filesize

    60KB

    MD5

    f706f37463181ca52c9fd9d1a40801f0

    SHA1

    6fd9baca9fc1573168f36910853d411c2eae0c57

    SHA256

    bcebe85dd6e1e0a113080bf035a841542d7e3fdbcb336e0d30e26a4bcf697c6c

    SHA512

    4010cde19cbbbeb6fefb3c8963aa64f21af74284bb2b2904f35f0cc26704915bf81f92c0838f57238cb526156f1c6d60d2937f0f461139b3c815a381a82cbb50

  • memory/1620-17-0x0000000000930000-0x0000000000965000-memory.dmp

    Filesize

    212KB

  • memory/1620-22-0x0000000000930000-0x0000000000965000-memory.dmp

    Filesize

    212KB

  • memory/1620-24-0x0000000000930000-0x0000000000965000-memory.dmp

    Filesize

    212KB

  • memory/1620-31-0x0000000000930000-0x0000000000965000-memory.dmp

    Filesize

    212KB

  • memory/2296-0-0x0000000000B90000-0x0000000000BC5000-memory.dmp

    Filesize

    212KB

  • memory/2296-8-0x0000000000480000-0x00000000004B5000-memory.dmp

    Filesize

    212KB

  • memory/2296-19-0x0000000000B90000-0x0000000000BC5000-memory.dmp

    Filesize

    212KB