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Analysis

  • max time kernel
    92s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/02/2024, 05:45

General

  • Target

    5240773ffa3a72a2d31a6a4aced652979b2662efaab2c7bcc28a1a67bd5b7696.exe

  • Size

    464KB

  • MD5

    344ab5f6badfc8e09e9b8384f5cb3e60

  • SHA1

    1213df1776390d5a9acd3395f0b806bbae13127f

  • SHA256

    5240773ffa3a72a2d31a6a4aced652979b2662efaab2c7bcc28a1a67bd5b7696

  • SHA512

    523ac88b7a2eaefb30afb73e68d2ce1dc58d439d013dffa5db29031add6fc6d40727a42d9a0d2b11076dcc395604caf3ceb4017dc334345b4fccb2c6db4e0e43

  • SSDEEP

    12288:fdhvZeiD9j3AaVZ3r1l5D/Ei1t1egcCpRScNsuCWJuffs:fdhBD9jjZ3rJLX0gcm9GuCWoff

Malware Config

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5240773ffa3a72a2d31a6a4aced652979b2662efaab2c7bcc28a1a67bd5b7696.exe
    "C:\Users\Admin\AppData\Local\Temp\5240773ffa3a72a2d31a6a4aced652979b2662efaab2c7bcc28a1a67bd5b7696.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
      2⤵
      • Executes dropped EXE
      PID:3428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 2316
      2⤵
      • Program crash
      PID:2492
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4988 -ip 4988
    1⤵
      PID:3948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe

      Filesize

      4KB

      MD5

      a5ce3aba68bdb438e98b1d0c70a3d95c

      SHA1

      013f5aa9057bf0b3c0c24824de9d075434501354

      SHA256

      9b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a

      SHA512

      7446f1256873b51a59b9d2d3498cef5a41dbce55864c2a5fb8cb7d25f7d6e6d8ea249d551a45b75d99b1ad0d6fb4b5e4544e5ca77bcd627717d6598b5f566a79

    • memory/3428-39-0x00007FFAACD20000-0x00007FFAAD7E1000-memory.dmp

      Filesize

      10.8MB

    • memory/3428-35-0x00007FFAACD20000-0x00007FFAAD7E1000-memory.dmp

      Filesize

      10.8MB

    • memory/3428-34-0x0000000000010000-0x0000000000018000-memory.dmp

      Filesize

      32KB

    • memory/4988-10-0x0000000002A50000-0x0000000002A60000-memory.dmp

      Filesize

      64KB

    • memory/4988-16-0x00000000060B0000-0x0000000006116000-memory.dmp

      Filesize

      408KB

    • memory/4988-9-0x0000000002A50000-0x0000000002A60000-memory.dmp

      Filesize

      64KB

    • memory/4988-1-0x0000000000B00000-0x0000000000C00000-memory.dmp

      Filesize

      1024KB

    • memory/4988-7-0x00000000050A0000-0x0000000005644000-memory.dmp

      Filesize

      5.6MB

    • memory/4988-6-0x0000000002A50000-0x0000000002A60000-memory.dmp

      Filesize

      64KB

    • memory/4988-11-0x00000000056E0000-0x0000000005CF8000-memory.dmp

      Filesize

      6.1MB

    • memory/4988-12-0x0000000005D80000-0x0000000005E8A000-memory.dmp

      Filesize

      1.0MB

    • memory/4988-13-0x0000000005EB0000-0x0000000005EC2000-memory.dmp

      Filesize

      72KB

    • memory/4988-14-0x0000000005ED0000-0x0000000005F0C000-memory.dmp

      Filesize

      240KB

    • memory/4988-15-0x0000000005F40000-0x0000000005F8C000-memory.dmp

      Filesize

      304KB

    • memory/4988-8-0x0000000005690000-0x00000000056E2000-memory.dmp

      Filesize

      328KB

    • memory/4988-17-0x0000000006790000-0x0000000006822000-memory.dmp

      Filesize

      584KB

    • memory/4988-18-0x0000000006830000-0x00000000068A6000-memory.dmp

      Filesize

      472KB

    • memory/4988-19-0x0000000006940000-0x000000000695E000-memory.dmp

      Filesize

      120KB

    • memory/4988-20-0x00000000074A0000-0x0000000007662000-memory.dmp

      Filesize

      1.8MB

    • memory/4988-21-0x0000000007670000-0x0000000007B9C000-memory.dmp

      Filesize

      5.2MB

    • memory/4988-4-0x0000000005050000-0x00000000050A4000-memory.dmp

      Filesize

      336KB

    • memory/4988-5-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/4988-3-0x0000000000400000-0x000000000086B000-memory.dmp

      Filesize

      4.4MB

    • memory/4988-36-0x0000000000400000-0x000000000086B000-memory.dmp

      Filesize

      4.4MB

    • memory/4988-37-0x0000000002510000-0x000000000257C000-memory.dmp

      Filesize

      432KB

    • memory/4988-38-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/4988-2-0x0000000002510000-0x000000000257C000-memory.dmp

      Filesize

      432KB