Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 09:59

General

  • Target

    cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe

  • Size

    60KB

  • MD5

    5d414a4fdf6d1283314be0eefd85c083

  • SHA1

    41fbc9e88a3705d7593ea323d362f4c14b802102

  • SHA256

    cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91

  • SHA512

    f5b12833533920dcc952b07965bb21017a07aa38ac974c39b564ca8d8c6c4f63983ab93657bf5da4a664bd78532e99c8d5fd9eb2d93c2e1c9f9a27e03cb9dc60

  • SSDEEP

    768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPX:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd5I

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\cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe
    "C:\Users\Admin\AppData\Local\Temp\cb929e02857192e8bd260cb769d09c6f38fbfb33040763b5c0350f8e939b6a91.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1900
    • 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:2388
    • 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:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    55e10a9af74d3f3fa5ae3cb7ff5ad9d4

    SHA1

    449221fd8d7196a54de2bd583625d8d1b64db56a

    SHA256

    a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

    SHA512

    4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

    Filesize

    338B

    MD5

    e0b300b4088f28ea6ced6f995c7a28cf

    SHA1

    408273f4f508384468b0cfb736ddf4d51e4e8927

    SHA256

    595715dcdb81a4a7a7cc09bb1564eded66a2388be25d316901e3485ca3f00148

    SHA512

    3a3f739bb15e120366b81c5ecbb87f4d3f0a2b255098d1361d42640016c7bc9d7f9bf9795dcd54aaf4027f303d109d0fb58386ac588cc63d57815b45902e6078

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

    Filesize

    60KB

    MD5

    ac18f4f4b24b1c20127d94fc52dd8e21

    SHA1

    9cd401814c1492f1a263c93a73de1d78e30099a0

    SHA256

    513e5231f795a0ce7feaee43b9e57cdd9e9bfba8aba9c987f7a6925fd29eb47b

    SHA512

    d6c2661fd3555b543492de27da94c63de00a239b907da763571006fcdb3f4601dac4b1cca63babfa7836e95cae41eb0e9cb019cfba028b921b3b1e44ab810865

  • memory/1900-0-0x0000000000F00000-0x0000000000F35000-memory.dmp

    Filesize

    212KB

  • memory/1900-6-0x0000000002CC0000-0x0000000002CF5000-memory.dmp

    Filesize

    212KB

  • memory/1900-18-0x0000000000F00000-0x0000000000F35000-memory.dmp

    Filesize

    212KB

  • memory/2388-21-0x00000000012B0000-0x00000000012E5000-memory.dmp

    Filesize

    212KB

  • memory/2388-23-0x00000000012B0000-0x00000000012E5000-memory.dmp

    Filesize

    212KB

  • memory/2388-30-0x00000000012B0000-0x00000000012E5000-memory.dmp

    Filesize

    212KB