Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 05:52

General

  • Target

    5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe

  • Size

    66KB

  • MD5

    b378bd856b0fbc4c1695ae2fde1c9f9b

  • SHA1

    451fc0ba0ad186ce1bb14da99ceeb3d621727cb0

  • SHA256

    5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52

  • SHA512

    890c33f467357de212bb173f4c404c281ceb4bf0475f3aa266adaacd77b5a7dc0cf357cc82012b1acad9fcab218734c01cb6b99e50c779d01af77c8c10bef6f1

  • SSDEEP

    1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0/:6bQRSHpAvzyf7MzeThD0/

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\5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe
    "C:\Users\Admin\AppData\Local\Temp\5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2528
    • 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:2388
    • 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:2232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    efd90b3ac908d5482af367de3a82184a

    SHA1

    de9f01d2ed0247b7b347e55c5a09721a60147fb9

    SHA256

    44f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d

    SHA512

    6e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02

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

    Filesize

    338B

    MD5

    2d1a9609cbdfa8c2dd48a19dcb1d17bb

    SHA1

    216f5946dba739a97cf58946632d7e4a7e61763e

    SHA256

    d462f2fcc4774b0e4bdf4d1a2d0f0094ae45b667568a6ff2d0910a595352cc25

    SHA512

    1bd5e2577c4c4542990d93d1ad5fe35ef8e86a76522002592629aef9097d12cb1b4d8fe01ac57a5c7cb7d125b2e4a63a8cab7fb2fe7f2fd409e742a3eb6600ff

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

    Filesize

    66KB

    MD5

    a9ddcfb8e5617d384b717040149bd9b1

    SHA1

    9c7b395a2b9e15c3bf830a490ef9695cfa083042

    SHA256

    404c0c58a406eb75cd5880a476df71192592b81474b0543f13420ce04745f559

    SHA512

    a7dee9a8aaf53c8ea26bd1f03b40e8490a7ddb7223544619bc552dc9b12e85c95c27539602f4dec45419e52786357b775af3f491ff18b67ecbbd01a8096cabbd

  • memory/2388-21-0x0000000000D10000-0x0000000000D35000-memory.dmp

    Filesize

    148KB

  • memory/2388-23-0x0000000000D10000-0x0000000000D35000-memory.dmp

    Filesize

    148KB

  • memory/2388-30-0x0000000000D10000-0x0000000000D35000-memory.dmp

    Filesize

    148KB

  • memory/2528-0-0x0000000000960000-0x0000000000985000-memory.dmp

    Filesize

    148KB

  • memory/2528-6-0x0000000001F30000-0x0000000001F55000-memory.dmp

    Filesize

    148KB

  • memory/2528-18-0x0000000000960000-0x0000000000985000-memory.dmp

    Filesize

    148KB