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Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 00:32

General

  • Target

    run_exe/by_execute.exe

  • Size

    310KB

  • MD5

    ffc167fe4bb8867545b207b98445ef06

  • SHA1

    fd0ee23647aba5ba511813a08b083594d8318c38

  • SHA256

    3cbfe1436db51d0ed707f6a2beaf834561e2ff62e1cd91ed3f46021aeaf26ad6

  • SHA512

    c3b554384aa57258079870be27b083955bf757cd24b68ccebc3abf95622f0f965c0351b1ca804fd5f17510f369f4fb9183e08ee7e15cffcbaf4bd6b2fbef29e0

  • SSDEEP

    6144:cOE+KwEG34Q7U8k0p4ph+ZiKicfjq060hl3qLiqGaJDnRzIui:cZ+KrG34f8zHjiP066pOiqGaNq

Malware Config

Extracted

Family

redline

C2

185.196.9.26:6302

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\run_exe\by_execute.exe
    "C:\Users\Admin\AppData\Local\Temp\run_exe\by_execute.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4672
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2996
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4232-12-0x00000000055D0000-0x00000000056DA000-memory.dmp

      Filesize

      1.0MB

    • memory/4232-15-0x0000000005540000-0x000000000558C000-memory.dmp

      Filesize

      304KB

    • memory/4232-3-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/4232-22-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4232-6-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4232-7-0x0000000005890000-0x0000000005E34000-memory.dmp

      Filesize

      5.6MB

    • memory/4232-8-0x00000000051F0000-0x0000000005282000-memory.dmp

      Filesize

      584KB

    • memory/4232-9-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4232-11-0x0000000006460000-0x0000000006A78000-memory.dmp

      Filesize

      6.1MB

    • memory/4232-20-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4232-14-0x0000000005500000-0x000000000553C000-memory.dmp

      Filesize

      240KB

    • memory/4232-13-0x0000000005470000-0x0000000005482000-memory.dmp

      Filesize

      72KB

    • memory/4232-19-0x0000000007460000-0x00000000074B0000-memory.dmp

      Filesize

      320KB

    • memory/4232-10-0x0000000005290000-0x000000000529A000-memory.dmp

      Filesize

      40KB

    • memory/4232-16-0x0000000005EB0000-0x0000000005F16000-memory.dmp

      Filesize

      408KB

    • memory/4232-17-0x0000000006E50000-0x0000000007012000-memory.dmp

      Filesize

      1.8MB

    • memory/4232-18-0x0000000007550000-0x0000000007A7C000-memory.dmp

      Filesize

      5.2MB

    • memory/4672-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/4672-1-0x0000000000A30000-0x0000000000A84000-memory.dmp

      Filesize

      336KB

    • memory/4672-5-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB