Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2023 06:05

General

  • Target

    NEAS.6c642afbeb196f365726a86ac3faf5d0_JC.exe

  • Size

    199KB

  • MD5

    6c642afbeb196f365726a86ac3faf5d0

  • SHA1

    ff699e388391541d0f5473a27543d40158f73645

  • SHA256

    6f65c1b0994a939a441001d9424b6029665413bd2097ab568aba80d6caa9e15a

  • SHA512

    71669aea375c8faa9946255e801aa78c4a79e66fcf9ca42b8ac049248423188987642b70b03ddd8ca92c0e84371f01569dad555319ec3811f7d6fafa49e3286d

  • SSDEEP

    3072:mOu4dvYP2VkKRCvSkOqoIXpGTq/tmdUHhULc4Gc:mOuyvYPGkKRaHXpG5do4D

Score
10/10

Malware Config

Extracted

Family

urelas

C2

218.54.28.139

121.88.5.183

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • 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).

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.6c642afbeb196f365726a86ac3faf5d0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.6c642afbeb196f365726a86ac3faf5d0_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\Aisder.exe
      "C:\Users\Admin\AppData\Local\Temp\Aisder.exe"
      2⤵
      • Executes dropped EXE
      PID:1292
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • Deletes itself
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    199KB

    MD5

    cd23bc98133d2454994e03f0306f5c95

    SHA1

    de5d4adb8a4a137af16ca3badc55efd6fa13cefd

    SHA256

    4a161986df165c589aa107ee96871d55dc9e6dc57274c2e95af34dcd89e546b6

    SHA512

    4b3449ecc4f0bf78a3626a4d63d3b9bfa4f37b9ecaf8819e7b38a058ffb56337b18a2de7333b8709bf75f1464c2e3f932ece4cd3415985e9f6ca64bdd12fd817

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

    Filesize

    512B

    MD5

    1e593d24d1352151a91db6a6d5f242e9

    SHA1

    3aaa4401a4dad7905d79204a85d05fe96caca332

    SHA256

    8fd4fa811592462f28a25ef15247bdee4734c26ed6b5588c8c1e85399e827357

    SHA512

    2934e8653e308b2e73d71e87743e8281aac9553fb4f855a2b59f13e3c69d661bd5603e3a6bc7d243083499c1aec3a64bf988b1bca0784d6cb2485ba74bd14b8f

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

    Filesize

    290B

    MD5

    d064eaccdcc57c2b96bb45dd421d021c

    SHA1

    6f68f69982bfad05c687a3b3cd0ae1ff5c267eb0

    SHA256

    89945ee9f824a4bacd2b73c908b794f37ec4e6ccaaac1358c195cb32bb366917

    SHA512

    cc1b70cd6f48532ab0a29b9f875a84ef96e146ba21f64e7eba79bb0b70e95f9d944e270814b90942b6ecf3cf64d396369c7affb015b8f61677d872da8bcaf7ff

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

    Filesize

    290B

    MD5

    d064eaccdcc57c2b96bb45dd421d021c

    SHA1

    6f68f69982bfad05c687a3b3cd0ae1ff5c267eb0

    SHA256

    89945ee9f824a4bacd2b73c908b794f37ec4e6ccaaac1358c195cb32bb366917

    SHA512

    cc1b70cd6f48532ab0a29b9f875a84ef96e146ba21f64e7eba79bb0b70e95f9d944e270814b90942b6ecf3cf64d396369c7affb015b8f61677d872da8bcaf7ff

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

    Filesize

    199KB

    MD5

    cd23bc98133d2454994e03f0306f5c95

    SHA1

    de5d4adb8a4a137af16ca3badc55efd6fa13cefd

    SHA256

    4a161986df165c589aa107ee96871d55dc9e6dc57274c2e95af34dcd89e546b6

    SHA512

    4b3449ecc4f0bf78a3626a4d63d3b9bfa4f37b9ecaf8819e7b38a058ffb56337b18a2de7333b8709bf75f1464c2e3f932ece4cd3415985e9f6ca64bdd12fd817

  • memory/1292-18-0x00000000009B0000-0x00000000009E5000-memory.dmp

    Filesize

    212KB

  • memory/1292-22-0x00000000009B0000-0x00000000009E5000-memory.dmp

    Filesize

    212KB

  • memory/1292-23-0x00000000009B0000-0x00000000009E5000-memory.dmp

    Filesize

    212KB

  • memory/1636-0-0x0000000000E50000-0x0000000000E85000-memory.dmp

    Filesize

    212KB

  • memory/1636-17-0x0000000000E50000-0x0000000000E85000-memory.dmp

    Filesize

    212KB

  • memory/1636-10-0x0000000000410000-0x0000000000445000-memory.dmp

    Filesize

    212KB

  • memory/1636-21-0x0000000000410000-0x0000000000445000-memory.dmp

    Filesize

    212KB