Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2023 11:55

General

  • Target

    618ac6d1589cb78955bfa5ad969f59a1_JC.exe

  • Size

    467KB

  • MD5

    618ac6d1589cb78955bfa5ad969f59a1

  • SHA1

    2181bf81988d24c067c9b95f715d505b02bed07c

  • SHA256

    48c977d3a1e9bbc7b29b162574cc573213bd8cb4c4e06c52fc46ea48fff89a5b

  • SHA512

    a885ab042c93b00e3798364e6f61ef800994ce917e52efe12996abae9077308174ec33de1e6e66ecea514c4a4f58f92f24b26d302af84bb374e2c70df5345bd0

  • SSDEEP

    12288:93CtSokfFGUMKwlTIU/b37dJ75WEe+eKTxB6mP:9x9GzHlTv/b35tecFB6C

Score
10/10

Malware Config

Extracted

Family

urelas

C2

121.88.5.183

121.88.5.184

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\618ac6d1589cb78955bfa5ad969f59a1_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\618ac6d1589cb78955bfa5ad969f59a1_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Users\Admin\AppData\Local\Temp\sander.exe
      "C:\Users\Admin\AppData\Local\Temp\sander.exe"
      2⤵
      • Executes dropped EXE
      PID:1036
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
      2⤵
      • Deletes itself
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    283B

    MD5

    eca56e881be090bbabfaa0d99e3d2e75

    SHA1

    caae1fec7bdb91d74e4fd229af8f8f4c200fadb9

    SHA256

    43b58cfdb33f3ea8b28e536924dff6cab2c0e5c44ef4ab7927275e7c05f9eae5

    SHA512

    6f7f2afe5d14fb81e84c8d94f8d491d32909b3a77eef80968935d5614251def30dd50866cf73b5f62bdfc5785908f9f409ed02b74082653093631a802665af0a

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

    Filesize

    283B

    MD5

    eca56e881be090bbabfaa0d99e3d2e75

    SHA1

    caae1fec7bdb91d74e4fd229af8f8f4c200fadb9

    SHA256

    43b58cfdb33f3ea8b28e536924dff6cab2c0e5c44ef4ab7927275e7c05f9eae5

    SHA512

    6f7f2afe5d14fb81e84c8d94f8d491d32909b3a77eef80968935d5614251def30dd50866cf73b5f62bdfc5785908f9f409ed02b74082653093631a802665af0a

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

    Filesize

    512B

    MD5

    145cec05d8d704ff7aa3d812b1aff628

    SHA1

    097ae09965ed3804359803708b8af87b5b90fcbb

    SHA256

    66c8ae290d7cf992faf67b10d1ef8ad91857f3709f459af69b6a11f521a3aeea

    SHA512

    1037d7926aec2831c8b084cc19aa38ce91bc8dcff15af731ce0e7cea79fa7806d4d341a9535c39b0ccb8d6f19bc2badf6d20d3b4ab1c931cd5be6994c4323b9d

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

    Filesize

    467KB

    MD5

    f94a2b1d02033114769f8560e00fbe63

    SHA1

    dc3c2f268fbc52379b72d64d45e79303a5aafb48

    SHA256

    87b4d87afc83820817fff8cff5d7c3a6b8b9b866a84e1136136dd2b16856a0f9

    SHA512

    52acecb4f2d44fab6ae2cd25af70894a0ce459134d8043c3d24e80da21aa51a4a34cd6f98e319a044ff0df188476d6b70abbc33f0ed349e6c70710105eb0bc7e

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

    Filesize

    467KB

    MD5

    f94a2b1d02033114769f8560e00fbe63

    SHA1

    dc3c2f268fbc52379b72d64d45e79303a5aafb48

    SHA256

    87b4d87afc83820817fff8cff5d7c3a6b8b9b866a84e1136136dd2b16856a0f9

    SHA512

    52acecb4f2d44fab6ae2cd25af70894a0ce459134d8043c3d24e80da21aa51a4a34cd6f98e319a044ff0df188476d6b70abbc33f0ed349e6c70710105eb0bc7e

  • memory/1036-19-0x0000000000CF0000-0x0000000000D72000-memory.dmp

    Filesize

    520KB

  • memory/1036-23-0x0000000000CF0000-0x0000000000D72000-memory.dmp

    Filesize

    520KB

  • memory/1036-24-0x0000000000CF0000-0x0000000000D72000-memory.dmp

    Filesize

    520KB

  • memory/1252-0-0x0000000000080000-0x0000000000102000-memory.dmp

    Filesize

    520KB

  • memory/1252-1-0x0000000000080000-0x0000000000102000-memory.dmp

    Filesize

    520KB

  • memory/1252-9-0x0000000002640000-0x00000000026C2000-memory.dmp

    Filesize

    520KB

  • memory/1252-20-0x0000000000080000-0x0000000000102000-memory.dmp

    Filesize

    520KB