Analysis

  • max time kernel
    103s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 18:01

General

  • Target

    3be6c4b2317679ba8ade29058dc762c0N.exe

  • Size

    67KB

  • MD5

    3be6c4b2317679ba8ade29058dc762c0

  • SHA1

    4876576e4efcf4404fa0c10b02c4711c6d0b909d

  • SHA256

    9c05422800be0f885587377ea887fe550f2f7d43663e33159c3f2e361a7fa866

  • SHA512

    bee8e39ca0ff56f9df8ea1ae85cdb44cc537a006190c02f707293a923d77b3b55c065909609007f102ffde92133350e6c917aa7a9d3964125fa46ef6fba7d343

  • SSDEEP

    1536:04/WgLAjdZsp+uChoLnDeoqYAJjvLFymnHsPet:l//AjMp+u2onejH2Pet

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3be6c4b2317679ba8ade29058dc762c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\3be6c4b2317679ba8ade29058dc762c0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2300
    • 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:116
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    90785e4edb0844867180bc02911f3b7f

    SHA1

    fb372b8a7986e91df7850156267958f89bd39a72

    SHA256

    008e97f01091ecedf6964214f9f12f932ecf37648d26c7027eea8e66ab15c2a0

    SHA512

    a02d6d1166784a915e7ecd5096afa28769e7838a9350c8da34921eb71e7dd06893b7326e0512192e4a264801a2b8e509faf23a10a5d26e93a99b1a363884c3ec

  • 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

    276B

    MD5

    050997d3b3978bb95bdd70bf032bf9bb

    SHA1

    1db435b51cc35c8871fafbbc3a7d767ab4a6d03e

    SHA256

    1a3f968a6d5fa16c460cc6f1a6f9bba6f79b42c3af4cc4be055761712add4b26

    SHA512

    508eedc4398f5b0c301439f2e7fcd529da60c75369898691ea73a49db999c5e02064e15e4bef752975d9f9578cce507a88c2b30134b7e9555191007a78ecc6be

  • memory/116-14-0x0000000000E60000-0x0000000000E88000-memory.dmp

    Filesize

    160KB

  • memory/116-20-0x0000000000E60000-0x0000000000E88000-memory.dmp

    Filesize

    160KB

  • memory/116-22-0x0000000000E60000-0x0000000000E88000-memory.dmp

    Filesize

    160KB

  • memory/116-28-0x0000000000E60000-0x0000000000E88000-memory.dmp

    Filesize

    160KB

  • memory/2300-0-0x00000000002F0000-0x0000000000318000-memory.dmp

    Filesize

    160KB

  • memory/2300-17-0x00000000002F0000-0x0000000000318000-memory.dmp

    Filesize

    160KB