Analysis

  • max time kernel
    128s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    26/11/2021, 17:03

General

  • Target
    Fortnite Hack.exe
  • Size 1.3MB
  • Sample211126-vkpsyadfcq
  • SHA256 c18cf6f2677277c4885ccb069d4e65b8c97c96c0ea72cee5d8e6a2d018d74ed0
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in System32 directory 7 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fortnite Hack.exe
    "C:\Users\Admin\AppData\Local\Temp\Fortnite Hack.exe"
    1⤵
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:584
    • C:\Users\Admin\AppData\Local\Temp\hman.exe
      "C:\Users\Admin\AppData\Local\Temp\hman.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\System32\conhost.exe
        "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\Temp\hman.exe"
        3⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1424
        • C:\Windows\System32\cmd.exe
          "cmd" cmd /c powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force" & powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force" & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1776
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force"
            5⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1112
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force"
            5⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1336
        • C:\Windows\System32\cmd.exe
          "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "services32" /tr "C:\Windows\system32\services32.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1720
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc onlogon /rl highest /tn "services32" /tr "C:\Windows\system32\services32.exe"
            5⤵
            • Creates scheduled task(s)
            PID:1084
        • C:\Windows\System32\cmd.exe
          "cmd" cmd /c "C:\Windows\system32\services32.exe"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1932
          • C:\Windows\system32\services32.exe
            C:\Windows\system32\services32.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of WriteProcessMemory
            PID:1696
            • C:\Windows\System32\conhost.exe
              "C:\Windows\System32\conhost.exe" "C:\Windows\system32\services32.exe"
              6⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1116
              • C:\Windows\System32\cmd.exe
                "cmd" cmd /c powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force" & powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:1764
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force"
                  8⤵
                  • Drops file in System32 directory
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1144
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force"
                  8⤵
                  • Drops file in System32 directory
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1336
              • C:\Windows\system32\Microsoft\Telemetry\sihost32.exe
                "C:\Windows\system32\Microsoft\Telemetry\sihost32.exe"
                7⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:1860
                • C:\Windows\System32\conhost.exe
                  "C:\Windows\System32\conhost.exe" "/sihost32"
                  8⤵
                    PID:700

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/584-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

          memory/584-58-0x00000000027E0000-0x00000000027E1000-memory.dmp

          memory/584-92-0x0000000002890000-0x0000000002891000-memory.dmp

          memory/584-91-0x0000000002880000-0x0000000002881000-memory.dmp

          memory/584-90-0x00000000003F0000-0x00000000003F1000-memory.dmp

          memory/584-89-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-88-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-86-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-55-0x00000000007F0000-0x0000000000850000-memory.dmp

          memory/584-85-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-84-0x0000000002770000-0x0000000002771000-memory.dmp

          memory/584-83-0x0000000002700000-0x0000000002701000-memory.dmp

          memory/584-82-0x0000000002710000-0x0000000002711000-memory.dmp

          memory/584-81-0x0000000002750000-0x0000000002751000-memory.dmp

          memory/584-80-0x00000000021F0000-0x00000000021F1000-memory.dmp

          memory/584-79-0x0000000002730000-0x0000000002731000-memory.dmp

          memory/584-78-0x0000000002720000-0x0000000002721000-memory.dmp

          memory/584-77-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-76-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-75-0x0000000000900000-0x0000000000901000-memory.dmp

          memory/584-74-0x00000000008D0000-0x00000000008D1000-memory.dmp

          memory/584-73-0x0000000000870000-0x0000000000871000-memory.dmp

          memory/584-72-0x0000000000850000-0x0000000000851000-memory.dmp

          memory/584-71-0x00000000008A0000-0x00000000008A1000-memory.dmp

          memory/584-70-0x0000000000890000-0x0000000000891000-memory.dmp

          memory/584-69-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-68-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-67-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-66-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/584-65-0x00000000034C0000-0x00000000034C1000-memory.dmp

          memory/584-64-0x00000000027F0000-0x00000000027F1000-memory.dmp

          memory/584-63-0x0000000002820000-0x0000000002821000-memory.dmp

          memory/584-62-0x00000000027B0000-0x00000000027B1000-memory.dmp

          memory/584-60-0x0000000002800000-0x0000000002801000-memory.dmp

          memory/584-61-0x00000000027C0000-0x00000000027C1000-memory.dmp

          memory/584-93-0x0000000002840000-0x0000000002841000-memory.dmp

          memory/584-59-0x0000000002790000-0x0000000002791000-memory.dmp

          memory/584-104-0x0000000000400000-0x00000000007EC000-memory.dmp

          memory/584-105-0x0000000000400000-0x0000000000402000-memory.dmp

          memory/584-107-0x0000000005A80000-0x0000000005A81000-memory.dmp

          memory/584-94-0x00000000028B0000-0x00000000028B1000-memory.dmp

          memory/584-95-0x0000000002870000-0x0000000002871000-memory.dmp

          memory/584-96-0x0000000002860000-0x0000000002861000-memory.dmp

          memory/584-97-0x00000000028D0000-0x00000000028D1000-memory.dmp

          memory/584-56-0x0000000076241000-0x0000000076243000-memory.dmp

          memory/584-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

          memory/584-99-0x00000000003F0000-0x00000000003F1000-memory.dmp

          memory/584-100-0x00000000028C0000-0x00000000028C1000-memory.dmp

          memory/584-101-0x0000000000910000-0x0000000000911000-memory.dmp

          memory/584-57-0x00000000027D0000-0x00000000027D1000-memory.dmp

          memory/584-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

          memory/584-87-0x00000000034B0000-0x00000000034B1000-memory.dmp

          memory/1112-173-0x00000000023AB000-0x00000000023CA000-memory.dmp

          memory/1112-162-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmp

          memory/1112-170-0x00000000023A2000-0x00000000023A4000-memory.dmp

          memory/1112-171-0x00000000023A4000-0x00000000023A7000-memory.dmp

          memory/1112-169-0x00000000023A0000-0x00000000023A2000-memory.dmp

          memory/1112-168-0x000007FEEDC00000-0x000007FEEE75D000-memory.dmp

          memory/1336-178-0x0000000002990000-0x0000000002992000-memory.dmp

          memory/1336-177-0x000007FEEDC00000-0x000007FEEE75D000-memory.dmp

          memory/1336-179-0x0000000002992000-0x0000000002994000-memory.dmp

          memory/1336-180-0x0000000002994000-0x0000000002997000-memory.dmp

          memory/1336-181-0x000000001B7A0000-0x000000001BA9F000-memory.dmp

          memory/1336-182-0x000000000299B000-0x00000000029BA000-memory.dmp

          memory/1424-158-0x000000001B660000-0x000000001B84E000-memory.dmp

          memory/1424-157-0x0000000000130000-0x0000000000322000-memory.dmp

          memory/1424-165-0x000000001B3F6000-0x000000001B3F7000-memory.dmp

          memory/1424-167-0x000000001B3F7000-0x000000001B3F8000-memory.dmp

          memory/1424-163-0x000000001B3F2000-0x000000001B3F4000-memory.dmp

          memory/1424-164-0x000000001B3F4000-0x000000001B3F6000-memory.dmp

          memory/1808-134-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-140-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-144-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-145-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-146-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-148-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-147-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-150-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-149-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-151-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-152-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-153-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-154-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-155-0x0000000000400000-0x0000000001436000-memory.dmp

          memory/1808-156-0x0000000077530000-0x0000000077540000-memory.dmp

          memory/1808-138-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-136-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-133-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-135-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-142-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-132-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-131-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-143-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-141-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-130-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-129-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-127-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-128-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-126-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-124-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-125-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-122-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-123-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-121-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-119-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-120-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-139-0x0000000077300000-0x0000000077310000-memory.dmp

          memory/1808-118-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-137-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-117-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-114-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-115-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-112-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

          memory/1808-116-0x0000000077200000-0x0000000077210000-memory.dmp

          memory/1808-113-0x0000000077200000-0x0000000077210000-memory.dmp