Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 03:43

General

  • Target

    d5427dae893551cfc421e02625959ca41364913b8027e563ed09e12949f6004cN.exe

  • Size

    67KB

  • MD5

    f1ba7e7daa26e1a542944395df534770

  • SHA1

    d65578addcab5f360ee4cc3e18071c4ff48b4c65

  • SHA256

    d5427dae893551cfc421e02625959ca41364913b8027e563ed09e12949f6004c

  • SHA512

    0c1ec46a3a521c4e8d2114efef7afaa501a8d42b07f7580716df712ab7d13fe664e7bf983b8858579f5f120649682a8c6824cc712858743764053ca6e3216f3c

  • SSDEEP

    1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCare4:yLAYUzmdD0sMQl7d7IuhCai4

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
  • 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\d5427dae893551cfc421e02625959ca41364913b8027e563ed09e12949f6004cN.exe
    "C:\Users\Admin\AppData\Local\Temp\d5427dae893551cfc421e02625959ca41364913b8027e563ed09e12949f6004cN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4264
    • 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:2848
    • 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:408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    68e356fd613f7c7ff2cb76dddeede0bd

    SHA1

    02e8b3a60d91a0173b174389aaf2006dc25d89cf

    SHA256

    6c6e5df48b8ee80571b10f242d741416e7f5f7636c3da6f3feb1093bd8b508d8

    SHA512

    dfe90a854190dea46ff81aa4d0e2f69d2a9aa6812743a55d935036906548072c4c54950f88c6de3404eacbcf6c91714fb14916fb49c8177306193c7ca2a75645

  • 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

    340B

    MD5

    7f300d65c60a00ac027dfa759dfbf9ae

    SHA1

    4bc9eed9023235540898ac067c8fc8ebb1f199e0

    SHA256

    5335fa88670a427649aba9e71c5847763005510d71afb6c93c90c1ea7863c51c

    SHA512

    077b1db3fc084c2ba91a4ff3cf503c4e377f113da6f9a6f888015f0e0fc8b5c07d29496fcdd80639eaf02a1e8b8286cd157fabf46563761e2e9c2bc0b13275bb

  • memory/2848-13-0x0000000000F90000-0x0000000000FB7000-memory.dmp

    Filesize

    156KB

  • memory/2848-21-0x0000000000F90000-0x0000000000FB7000-memory.dmp

    Filesize

    156KB

  • memory/2848-23-0x0000000000F90000-0x0000000000FB7000-memory.dmp

    Filesize

    156KB

  • memory/2848-29-0x0000000000F90000-0x0000000000FB7000-memory.dmp

    Filesize

    156KB

  • memory/4264-0-0x0000000000D50000-0x0000000000D77000-memory.dmp

    Filesize

    156KB

  • memory/4264-18-0x0000000000D50000-0x0000000000D77000-memory.dmp

    Filesize

    156KB