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Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2023, 19:05

General

  • Target

    NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe

  • Size

    141KB

  • MD5

    a104af8e0067fd605e098d1b24e13410

  • SHA1

    c881014e7aadc7ebed912f1d07d25a4109b9ab3e

  • SHA256

    1bc7be609a83bfa86ee69afd364420968cf6e37e4f2720e61c2b2fd70fb7a8ec

  • SHA512

    0b7db8820505dd289afcd898256c8228d9693f3433f6ee14d89348839762397625deb15b15c51ec2e539a086a5fabc8f225b4b8634fc7b027aa48486cc7fd190

  • SSDEEP

    3072:K3kHmMsmRUOMfCECCeZlmgchdvz6xs9PY0X85jx08aAP52jKR2jKqRWQ:zHbRUOqwC4mgg44jKojKqRb

Score
10/10

Malware Config

Extracted

Family

urelas

C2

121.88.5.183

218.54.28.139

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.a104af8e0067fd605e098d1b24e13410_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Users\Admin\AppData\Local\Temp\rkfc.exe
      "C:\Users\Admin\AppData\Local\Temp\rkfc.exe"
      2⤵
      • Executes dropped EXE
      PID:2716
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • Deletes itself
      PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    512B

    MD5

    4b1300debfd02ba9d6c7cba3fd7f7773

    SHA1

    1ecbc29ae3f25e7feb04cb76dc247ed4be294626

    SHA256

    ea19d7220ab8186afd2e4202edef17368aa2c380e8177bd45d96d98546b85c34

    SHA512

    99ac9831fff42e8a4a12cb1b66da3f6b86fce55c152e18f7f7a7ccc1654ad3aa51cd158651ea4ca8022403454fb522d7711e5c9810d17608b2723a00de12f700

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

    Filesize

    141KB

    MD5

    7172eb5ac389046514443b4b567c4db0

    SHA1

    f291bc8e2aebe6d8b6d07722f4ef2e71881736bc

    SHA256

    3dc3e0f446d20e3337019d0e9f3cd8ca38153c730daf33d516af8cb24ecb1690

    SHA512

    b044347e75c57d83fbd12396cefefe0fd48f8c0ce59a6d8ddc88b2182f512491fc9e160e58842861df83bee1561fbfa7891e5081ace7413d50bcba4168e718c2

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

    Filesize

    290B

    MD5

    a79a57bbbecc50d6c574441b8d73b195

    SHA1

    d03228140e56cf040d953a946374fed031d03525

    SHA256

    c8df68da88a1156dc617f6c191d854f601072a204f99665b4e8a83057f2532ad

    SHA512

    5f9fcc73175173ca7085d4a718bf2a4546ed4710f62ad0efc1f03305a800205716dc08007ad36cf677a394140432c0c0190bb70824dd9be48022de64f0c25816

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

    Filesize

    290B

    MD5

    a79a57bbbecc50d6c574441b8d73b195

    SHA1

    d03228140e56cf040d953a946374fed031d03525

    SHA256

    c8df68da88a1156dc617f6c191d854f601072a204f99665b4e8a83057f2532ad

    SHA512

    5f9fcc73175173ca7085d4a718bf2a4546ed4710f62ad0efc1f03305a800205716dc08007ad36cf677a394140432c0c0190bb70824dd9be48022de64f0c25816

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

    Filesize

    141KB

    MD5

    7172eb5ac389046514443b4b567c4db0

    SHA1

    f291bc8e2aebe6d8b6d07722f4ef2e71881736bc

    SHA256

    3dc3e0f446d20e3337019d0e9f3cd8ca38153c730daf33d516af8cb24ecb1690

    SHA512

    b044347e75c57d83fbd12396cefefe0fd48f8c0ce59a6d8ddc88b2182f512491fc9e160e58842861df83bee1561fbfa7891e5081ace7413d50bcba4168e718c2

  • memory/2716-20-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2716-18-0x0000000001230000-0x000000000125B000-memory.dmp

    Filesize

    172KB

  • memory/2716-23-0x0000000001230000-0x000000000125B000-memory.dmp

    Filesize

    172KB

  • memory/2716-29-0x0000000001230000-0x000000000125B000-memory.dmp

    Filesize

    172KB

  • memory/2888-0-0x0000000000920000-0x000000000094B000-memory.dmp

    Filesize

    172KB

  • memory/2888-19-0x0000000000920000-0x000000000094B000-memory.dmp

    Filesize

    172KB

  • memory/2888-7-0x0000000000230000-0x000000000025B000-memory.dmp

    Filesize

    172KB

  • memory/2888-1-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB