Analysis

  • max time kernel
    0s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2023 12:00

General

  • Target

    6cc534e745d70574889a5483ceddea3e.exe

  • Size

    174KB

  • MD5

    6cc534e745d70574889a5483ceddea3e

  • SHA1

    36cd00ce2b09db6c185b5169232c6c7972d7df8a

  • SHA256

    13fa44b041b729c752a0c83530a4f70f70aaa60e2fa994c7f8a6334f84db8ed0

  • SHA512

    55a0cd0e925a00f1b1990dbfc41850bf5d44947100699cb90fcbbb7faa55e4dec80fd9ddcea826aaf2dddc2608ef0c416cc530f17bb608feeeb14564eb41c9a0

  • SSDEEP

    3072:9nOn7t7XpdpCCTg/sxFgJDDTaCHjbazYaB1G+9uR5q1a8IxCPFElk/7:9KpdcCrTqTHv6G+IRFgPFmkD

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cc534e745d70574889a5483ceddea3e.exe
    "C:\Users\Admin\AppData\Local\Temp\6cc534e745d70574889a5483ceddea3e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Users\Admin\AppData\Local\Temp\nsl3B75.tmp\northstar.exe
      C:\Users\Admin\AppData\Local\Temp\nsl3B75.tmp\northstar.exe /u4fbfca05-374c-42b7-8d55-26865bc06f2f /e5333931 /dT201301211053
      2⤵
      • Executes dropped EXE
      PID:3872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsl3B75.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • C:\Users\Admin\AppData\Local\Temp\nsl3B75.tmp\northstar.exe

    Filesize

    92KB

    MD5

    4559992687241648c1cced8a2ed746ee

    SHA1

    e337126af9478a81bc12f0ccf80d698701a89d96

    SHA256

    ff4d0719c4399af46f6b47484a34dfce6aa70c944a46bd9a071fa4edecc46985

    SHA512

    4ac22eb2f4786f0a1cff7ada6916fc7633dfb9dcd1c0a82beb80353d7372d2d38b85e19d2b2917a318bf3d1c5fe53c93a11ef037227c73c86a0034a560be85b2

  • memory/1532-33-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3872-15-0x0000000073D60000-0x0000000074311000-memory.dmp

    Filesize

    5.7MB

  • memory/3872-14-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

    Filesize

    64KB

  • memory/3872-13-0x0000000073D60000-0x0000000074311000-memory.dmp

    Filesize

    5.7MB

  • memory/3872-27-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

    Filesize

    64KB

  • memory/3872-26-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

    Filesize

    64KB

  • memory/3872-29-0x0000000073D60000-0x0000000074311000-memory.dmp

    Filesize

    5.7MB