Analysis

  • max time kernel
    108s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 19:17

General

  • Target

    4f09e5659794eaea5955bcb72eafe75510d97aa047565312f4c4d37826f3d93aN.exe

  • Size

    678KB

  • MD5

    809e72b60c534a9e32aca15039d5c560

  • SHA1

    914934908c05809566f284dd977813d667cb4590

  • SHA256

    4f09e5659794eaea5955bcb72eafe75510d97aa047565312f4c4d37826f3d93a

  • SHA512

    e37d266520692ec449859ef3eb67519a5fbb8ecc5a7361b2ce375f2a7fa7600343296edb16076f8b8094fd188cfe9a031b821f849d40a4178789e830dc686885

  • SSDEEP

    12288:LMrQy909nEKRresal5ngE2BeVHs3lv0wOD1zruOR+jeVh2hOaBe9IU5Wh9YVl:HyUnEKR96xn2f3tx+1DIK72hbB+vr

Malware Config

Extracted

Family

redline

Botnet

kinza

C2

77.91.124.86:19084

Signatures

  • Detect Mystic stealer payload 4 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Mystic family
  • RedLine

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

  • RedLine payload 2 IoCs
  • Redline family
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f09e5659794eaea5955bcb72eafe75510d97aa047565312f4c4d37826f3d93aN.exe
    "C:\Users\Admin\AppData\Local\Temp\4f09e5659794eaea5955bcb72eafe75510d97aa047565312f4c4d37826f3d93aN.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cF59Db8.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cF59Db8.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 540
          4⤵
          • Program crash
          PID:2068
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ix410tC.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ix410tC.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5000
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3048 -ip 3048
    1⤵
      PID:2680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cF59Db8.exe

      Filesize

      1.8MB

      MD5

      9e2dfae93300da40f441af5b783f580a

      SHA1

      b01a13d60ae482d65886534e64217a736f9a0f45

      SHA256

      5b1e847932e40e4097d7e5eb568a82ad39a4581482763cb395e470ce0344be23

      SHA512

      2eb3bd6cfd28b143a5cefdd851354520341553ce3ee953d759d819bd319afb3b00e56968062d22c4f3d11b7335d92ac40d54e5359f34c439b276a088b53e7ba8

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ix410tC.exe

      Filesize

      221KB

      MD5

      dc217dce419378409e174e845291c230

      SHA1

      19e22cf01328f1a372f0bcd6ed81d5646c59b89a

      SHA256

      f241941b9299d1e1a55e992c94be4c7fdec00623db55ac2c6b74a5a7517a63c8

      SHA512

      4018a1bf5cfa51c161fd61fada479a2933a858907b71474ad3fbe373892150783d82a98fb69e414ccde9db10a4ff9b8fbf81663dba94d48c3f5bea61c72f443e

    • memory/3048-7-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/3048-8-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/3048-11-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/3048-9-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/5000-17-0x0000000008380000-0x0000000008924000-memory.dmp

      Filesize

      5.6MB

    • memory/5000-16-0x0000000000FB0000-0x0000000000FEE000-memory.dmp

      Filesize

      248KB

    • memory/5000-15-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

      Filesize

      4KB

    • memory/5000-18-0x0000000007EB0000-0x0000000007F42000-memory.dmp

      Filesize

      584KB

    • memory/5000-19-0x0000000005460000-0x000000000546A000-memory.dmp

      Filesize

      40KB

    • memory/5000-20-0x0000000073EF0000-0x00000000746A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5000-21-0x0000000008F50000-0x0000000009568000-memory.dmp

      Filesize

      6.1MB

    • memory/5000-22-0x0000000008250000-0x000000000835A000-memory.dmp

      Filesize

      1.0MB

    • memory/5000-23-0x0000000007FA0000-0x0000000007FB2000-memory.dmp

      Filesize

      72KB

    • memory/5000-24-0x0000000008140000-0x000000000817C000-memory.dmp

      Filesize

      240KB

    • memory/5000-25-0x0000000007FD0000-0x000000000801C000-memory.dmp

      Filesize

      304KB

    • memory/5000-26-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

      Filesize

      4KB

    • memory/5000-27-0x0000000073EF0000-0x00000000746A0000-memory.dmp

      Filesize

      7.7MB