Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2023 15:37

General

  • Target

    Kurome.Builder/stub.exe

  • Size

    96KB

  • MD5

    625ed01fd1f2dc43b3c2492956fddc68

  • SHA1

    48461ef33711d0080d7c520f79a0ec540bda6254

  • SHA256

    6824c2c92eb7cee929f9c6b91e75c8c1fc3bfe80495eba4fa27118d40ad82b2b

  • SHA512

    1889c7cee50092fe7a66469eb255b4013624615bac3a9579c4287bf870310bdc9018b0991f0ad7a9227c79c9bd08fd0c6fc7ebe97f21c16b7c06236f3755a665

  • SSDEEP

    1536:9G6ijoigzKqO1RUTBHQsu/0igR4vYVVlmbfaxv0ujXyyedOn4iwEEl:BSElHQ/ORUYos0ujyzdZl

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Kurome.Builder\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\Kurome.Builder\stub.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1640

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1640-133-0x0000000000370000-0x000000000038E000-memory.dmp

    Filesize

    120KB

  • memory/1640-134-0x0000000005330000-0x00000000058D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1640-135-0x0000000005F00000-0x0000000006518000-memory.dmp

    Filesize

    6.1MB

  • memory/1640-136-0x0000000004F20000-0x0000000004FB2000-memory.dmp

    Filesize

    584KB

  • memory/1640-137-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

    Filesize

    72KB

  • memory/1640-138-0x0000000004FC0000-0x0000000004FFC000-memory.dmp

    Filesize

    240KB

  • memory/1640-139-0x0000000005DF0000-0x0000000005EFA000-memory.dmp

    Filesize

    1.0MB

  • memory/1640-140-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

    Filesize

    64KB

  • memory/1640-141-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

    Filesize

    64KB