Analysis

  • max time kernel
    89s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 22:19

General

  • Target

    152e8085421d2f4f114a78a231ed4745e62dcd3c69106cbea065cc5221887407N.exe

  • Size

    69KB

  • MD5

    ab571f694f3f9ef487dd3ed149920920

  • SHA1

    28ee594007c46aa088073f0b16f6bca132db9c36

  • SHA256

    152e8085421d2f4f114a78a231ed4745e62dcd3c69106cbea065cc5221887407

  • SHA512

    5b6a9159e2b04322ba034f685d9042bd4b54097ee3263b60ab0a6a8076197e51e00dd77dc29cacd9d702087ab9abc0f50b2ff7350bd04b3de064cb150ae0e7ec

  • SSDEEP

    1536:04/WgLAjdZsp+uChoLnDeoqYAJjvLFymnHsPeOtf:l//AjMp+u2onejH2PeA

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\152e8085421d2f4f114a78a231ed4745e62dcd3c69106cbea065cc5221887407N.exe
    "C:\Users\Admin\AppData\Local\Temp\152e8085421d2f4f114a78a231ed4745e62dcd3c69106cbea065cc5221887407N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1924
    • 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:2752
    • 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:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    a250860c0687ed9dda488805c025a2d2

    SHA1

    0c181ed3b46463d35631ca169f0928c33a1da389

    SHA256

    3947c34dfc780b424a3207c6ebe12f667bcb839733107f7a94fe495ec705cb37

    SHA512

    0286fcd24203ef574c9fc37200e4b0e65d58296162aa89b5424ab48b814bd237e609ab7eaf42a69bdad2ab6414bfbbfaec4757e28b29c69752e0e65a653f665a

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

    Filesize

    340B

    MD5

    d330a5bac63bded462a003746a7e4d08

    SHA1

    4ecfbc219ce863706a2ba15f8d228cd7aa2826b8

    SHA256

    c6efcf3499dbc5b9231f0b89afc6d2b136e431a3b0052f264eb5f414c2a82118

    SHA512

    9e9e5016f2def9740e1bd253cbe3d862db1fac80bafef347f5542399710c61b529315ded37b37e0866a63311d52274a5ec7b6ea897cc3f4f6a8b6e0919211525

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

    Filesize

    69KB

    MD5

    a4297c23f1b9e13a741af5613f1ae84d

    SHA1

    858208922821b566f966da51854e0e36532f4afd

    SHA256

    22007b1f6bb73afcf001418b8826589a39d39945d5539df307f864721ff10d32

    SHA512

    44e2f20b8634b1b61bc2f9279a27222094ad90bde97ea86920c59ae0c7b922cca320ebf47acf92f8e72a2d230b14ee31529a24a7c8ff679a3e443a4b65468b28

  • memory/1924-0-0x0000000000820000-0x0000000000848000-memory.dmp

    Filesize

    160KB

  • memory/1924-16-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/1924-19-0x0000000000820000-0x0000000000848000-memory.dmp

    Filesize

    160KB

  • memory/2752-17-0x0000000000280000-0x00000000002A8000-memory.dmp

    Filesize

    160KB

  • memory/2752-22-0x0000000000280000-0x00000000002A8000-memory.dmp

    Filesize

    160KB

  • memory/2752-24-0x0000000000280000-0x00000000002A8000-memory.dmp

    Filesize

    160KB

  • memory/2752-31-0x0000000000280000-0x00000000002A8000-memory.dmp

    Filesize

    160KB