Analysis

  • max time kernel
    120s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19/06/2021, 05:17

General

  • Target
    5ce9dedae33e348bed0fc2fa2f8831adc8263177b7d26.exe
  • Size 449KB
  • Sample210619-7nmpjltncn
  • SHA256 5ce9dedae33e348bed0fc2fa2f8831adc8263177b7d2674dc634cd2709beba09
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 3 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Runs .reg file with regedit 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ce9dedae33e348bed0fc2fa2f8831adc8263177b7d26.exe
    "C:\Users\Admin\AppData\Local\Temp\5ce9dedae33e348bed0fc2fa2f8831adc8263177b7d26.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\EverestSoftrade\TonerRecover\log.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Windows\SysWOW64\explorer.exe
        explorer https://iplogger.org/2qJhq6
        3⤵
          PID:3604
        • C:\Windows\SysWOW64\regedit.exe
          regedit /s adj.reg
          3⤵
          • Runs .reg file with regedit
          PID:4292
        • C:\Windows\SysWOW64\regedit.exe
          regedit /s adj2.reg
          3⤵
          • Runs .reg file with regedit
          PID:4340
      • C:\Program Files (x86)\EverestSoftrade\TonerRecover\Updater.exe
        "C:\Program Files (x86)\EverestSoftrade\TonerRecover\Updater.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1800
        • C:\Program Files (x86)\EverestSoftrade\TonerRecover\Updater.exe
          "C:\Program Files (x86)\EverestSoftrade\TonerRecover\Updater.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4928
      • C:\Program Files (x86)\EverestSoftrade\TonerRecover\Toner-Recover.exe
        "C:\Program Files (x86)\EverestSoftrade\TonerRecover\Toner-Recover.exe"
        2⤵
        • Executes dropped EXE
        PID:2076
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
        PID:3384
      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
        1⤵
        • Drops file in Windows directory
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3852
      • C:\Windows\system32\browser_broker.exe
        C:\Windows\system32\browser_broker.exe -Embedding
        1⤵
        • Modifies Internet Explorer settings
        PID:748
      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
        1⤵
        • Modifies registry class
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4356
      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
        1⤵
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:4452

      Network

            MITRE ATT&CK Enterprise v6

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            Downloads

            memory/1800-128-0x00000000054D0000-0x00000000054D1000-memory.dmp

            memory/1800-123-0x0000000000C40000-0x0000000000C41000-memory.dmp

            memory/1800-143-0x0000000006FF0000-0x0000000006FFB000-memory.dmp

            memory/1800-129-0x0000000005590000-0x0000000005591000-memory.dmp

            memory/1800-126-0x0000000005910000-0x0000000005911000-memory.dmp

            memory/1800-142-0x0000000007080000-0x0000000007081000-memory.dmp

            memory/1800-141-0x0000000007000000-0x0000000007001000-memory.dmp

            memory/1800-132-0x0000000005410000-0x000000000590E000-memory.dmp

            memory/2076-130-0x0000000005220000-0x0000000005221000-memory.dmp

            memory/2076-122-0x00000000008F0000-0x00000000008F1000-memory.dmp

            memory/2076-135-0x0000000005105000-0x0000000005106000-memory.dmp

            memory/2076-134-0x0000000005103000-0x0000000005105000-memory.dmp

            memory/2076-133-0x0000000005100000-0x0000000005101000-memory.dmp

            memory/2076-131-0x0000000005390000-0x0000000005391000-memory.dmp

            memory/4928-152-0x0000000005840000-0x0000000005841000-memory.dmp

            memory/4928-150-0x0000000005EC0000-0x0000000005EC1000-memory.dmp

            memory/4928-151-0x00000000057E0000-0x00000000057E1000-memory.dmp

            memory/4928-144-0x0000000000400000-0x000000000041E000-memory.dmp

            memory/4928-153-0x00000000058B0000-0x00000000058B1000-memory.dmp

            memory/4928-154-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

            memory/4928-155-0x00000000058A0000-0x00000000058A1000-memory.dmp

            memory/4928-156-0x0000000006CA0000-0x0000000006CA1000-memory.dmp

            memory/4928-157-0x00000000073A0000-0x00000000073A1000-memory.dmp

            memory/4928-158-0x0000000006F20000-0x0000000006F21000-memory.dmp