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Analysis

  • max time kernel
    139s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2024, 13:42

General

  • Target

    df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe

  • Size

    67KB

  • MD5

    20fa9fe9bd77569db6756eb0666c7460

  • SHA1

    5324425f6f6ec6d93b7660a1499f2d1085aa0129

  • SHA256

    df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1

  • SHA512

    58d86059a581e69815b4fa63b67c7ce5b1a15e02039071539abbd4b02d60255d8ac1874e294a18565190cfb4bd50eaf19b4aefedb47dd1e28d910601845bf322

  • SSDEEP

    1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarec:yLAYUzmdD0sMQl7d7IuhCaic

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\df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe
    "C:\Users\Admin\AppData\Local\Temp\df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:936
    • 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:5084
    • 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:376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    aa9866ac7a2105bd762f263a1b337186

    SHA1

    e224fc2860c26e2fc111735d2858124d4b2e8f87

    SHA256

    edec23c57a47bf5159041df01c24c841f0f490b2957c0a91bd741373d9649af3

    SHA512

    87d5a0200d115f5626c48b1b9279da43c4c976be6fc6e7c3ed8fbcf8be9b74a3f930eb365633bcb37535109bfbe5c8ec9495b432d89a9a529893a7de8f7495e1

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

    Filesize

    512B

    MD5

    1c9b2720af0ca9528b47898d9c7f4799

    SHA1

    80495f16e333f54ecc700252323c2a7cb7d751e1

    SHA256

    d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

    SHA512

    5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

    Filesize

    338B

    MD5

    2de2a6507b8c279b053fcf5fd2c42989

    SHA1

    422b4b0e2f2235468290e4046e6e535d3d94a1eb

    SHA256

    e3ce7eb08743adade301e52c731aa299a69c575a919d97c6972ec25e421aefa0

    SHA512

    f55f1ce902fac21a9eec3c41a7ea4f7ee42e51aaebb33c3441593c1b58d67ac3a8c0190bc144f3731e1ad06c394da20f6eea7e80b8bcaf57ac1ad524c235a78a

  • memory/936-0-0x0000000000D90000-0x0000000000DB7000-memory.dmp

    Filesize

    156KB

  • memory/936-18-0x0000000000D90000-0x0000000000DB7000-memory.dmp

    Filesize

    156KB

  • memory/5084-13-0x00000000008A0000-0x00000000008C7000-memory.dmp

    Filesize

    156KB

  • memory/5084-21-0x00000000008A0000-0x00000000008C7000-memory.dmp

    Filesize

    156KB

  • memory/5084-23-0x00000000008A0000-0x00000000008C7000-memory.dmp

    Filesize

    156KB

  • memory/5084-29-0x00000000008A0000-0x00000000008C7000-memory.dmp

    Filesize

    156KB