Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 16:40

General

  • Target

    37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe

  • Size

    555KB

  • MD5

    87a1d0af4685f78fd81e98a65bfd5230

  • SHA1

    10a9b837e575b7cf043c1d7701f49ac5261e386c

  • SHA256

    37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5

  • SHA512

    a406492fcf0a39d9d536ed2aff82eba7b7336728b5df8d1b83fd71f500c560a1253889ec96175017ce5bca02b89b536210720b664f18c26d1d44105a42fb45d7

  • SSDEEP

    12288:nMryy90QSz/Fi0ZQMEI1yMQHbnRa+bPYvBTJBu8rGyFb:1yb47CU0HbRFjYNXb

Malware Config

Extracted

Family

redline

Botnet

virad

C2

77.91.124.82:19071

Attributes
  • auth_value

    434dd63619ca8bbf10125913fb40ca28

Signatures

  • Detect Mystic stealer payload 1 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

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

  • RedLine payload 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe
    "C:\Users\Admin\AppData\Local\Temp\37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3636
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3426020.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3426020.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2629566.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2629566.exe
        3⤵
        • Executes dropped EXE
        PID:1984
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n0657603.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n0657603.exe
        3⤵
        • Executes dropped EXE
        PID:1628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3426020.exe

    Filesize

    271KB

    MD5

    6d437bda51131c4a7e3653bf4004912d

    SHA1

    3bbb8c6b3c12cdcda2a939bfd1529ea865530506

    SHA256

    903a832af5cfe2e722cee8b8ebd5af1478953f6286f3253ce112dbcb48aefa07

    SHA512

    451a517bab2791171e50501ca3753f0a8dc53a7dfb2e0a8db9a5b75b0ac2a7ebc2c9facbc61972c7cf02167a260d73329f51f6a5d6b78cf8962fff748f306f86

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2629566.exe

    Filesize

    141KB

    MD5

    e2bbe49b9c440182d4c9fb33e3dc2156

    SHA1

    152cb5b111908a2b5fc476efda1abdd5a04aee9f

    SHA256

    8ebe2022492b78f88b7e8497a43aa387d5d645ce27fed4f1cdd54e64df4cfe7b

    SHA512

    d939f72a475803db9f17300c1d07a7c3250484a7c9568e0e3567698144e0b00b47aa012ca45efbd423b728d82c279c2801329a5f7c80d4476971e54aca9f2da6

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n0657603.exe

    Filesize

    174KB

    MD5

    a6c095b1a659603d74ed3f096e4f117c

    SHA1

    7d9833e31dd65a90e2a4cb5f74b506f32bbadac3

    SHA256

    4ab60efe913dae67a665dafe28b92dfbdfb4d3ccdb207d661a8dc0a6f60ca871

    SHA512

    e4cf4f5cad11700a4e8dce570c3104afce9f4e219dc1382141ea2d235cb3f2d3b3b401576111b9af3fa5823cfad87a4623749509039450132e64f10ab4faf174

  • memory/1628-17-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/1628-18-0x0000000000130000-0x0000000000160000-memory.dmp

    Filesize

    192KB

  • memory/1628-19-0x0000000000800000-0x0000000000806000-memory.dmp

    Filesize

    24KB

  • memory/1628-20-0x0000000005080000-0x0000000005698000-memory.dmp

    Filesize

    6.1MB

  • memory/1628-21-0x0000000004B80000-0x0000000004C8A000-memory.dmp

    Filesize

    1.0MB

  • memory/1628-22-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

    Filesize

    72KB

  • memory/1628-23-0x0000000004B20000-0x0000000004B5C000-memory.dmp

    Filesize

    240KB

  • memory/1628-24-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1628-25-0x0000000004C90000-0x0000000004CDC000-memory.dmp

    Filesize

    304KB

  • memory/1628-26-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/1628-27-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB