Analysis

  • max time kernel
    108s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-07-2024 07:27

General

  • Target

    6c444d97906346930901ba6270b704a0N.exe

  • Size

    56KB

  • MD5

    6c444d97906346930901ba6270b704a0

  • SHA1

    c97be1f5bd111a9be5219d844787863d49f13a1b

  • SHA256

    168fb7063c7124b99bc523aa831fc3bccc5f64f3b3699911157b258bc883c834

  • SHA512

    f65c78942416316e04ac42427b458a753a1bb6dc3c2dfc80d7cb99687ceed889c650194a660b2003c097f692b51b69e0a84d02ec4b1c3a68e6c181116521eff4

  • SSDEEP

    1536:vMcQYte55zs091Zw9FAGDdJYipvwGf9ogjrgHDh:vMhAe5Zs091KI+JYixw49Xjr+

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\6c444d97906346930901ba6270b704a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\6c444d97906346930901ba6270b704a0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1072
    • 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:4196
    • 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:4036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    56KB

    MD5

    95d700a5a67ebbd78b5d280b574661ee

    SHA1

    f947b96343538dba0371e09e8eff1f22914ff800

    SHA256

    50b642b5b37f9f6f49358111350dd616634e813d8643d3efc971b202cb385712

    SHA512

    d01b9c28cc31de1c7cf3e6896f4e8439cee3b6a67e43f5f5eef232da58f41875499c6e7e27314265431407e1836acc71c81013b816cfc51f5056ceae2e2ae3c7

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

    Filesize

    512B

    MD5

    b4a86880004da8726288d7ec954885a8

    SHA1

    1bab1cfbdc2c540246210bc7852f8fe7e8357b31

    SHA256

    c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46

    SHA512

    22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4

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

    Filesize

    276B

    MD5

    ac92f394868bdc5b84692156171d2d6e

    SHA1

    2fb1837134d6faa8ffd63b3ff79725dea187c5a0

    SHA256

    d572f192902d38f9d318306a2beb77f9fa7c79aef5010dd17152323ce80d8850

    SHA512

    e85a8ca9dcd8810ce1d99978499a0be7edb10f8ef56b2e33c8c80d733098659ede0f4d912a1843567a8333becdf8cc2d39dc0711c69b4783d0db80e983d9c520

  • memory/1072-0-0x0000000000580000-0x00000000005A6000-memory.dmp

    Filesize

    152KB

  • memory/1072-14-0x0000000000580000-0x00000000005A6000-memory.dmp

    Filesize

    152KB

  • memory/4196-9-0x00000000005A0000-0x00000000005C6000-memory.dmp

    Filesize

    152KB

  • memory/4196-17-0x00000000005A0000-0x00000000005C6000-memory.dmp

    Filesize

    152KB

  • memory/4196-19-0x00000000005A0000-0x00000000005C6000-memory.dmp

    Filesize

    152KB

  • memory/4196-25-0x00000000005A0000-0x00000000005C6000-memory.dmp

    Filesize

    152KB