Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 17:59

General

  • Target
    8ac5083f52da0ff312259331f65b326782803aa837a7b371a6d43a021b0c24c3.exe
  • Size 18.0MB
  • Sample240709-wkq7faydld
  • SHA256 8ac5083f52da0ff312259331f65b326782803aa837a7b371a6d43a021b0c24c3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • Sabad0n

C2
  • 77.73.129.75:1912

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Process spawned unexpected child process 27 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • RedLine

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

  • RedLine payload 2 IoCs
  • DCRat payload 4 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 5 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.

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 27 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ac5083f52da0ff312259331f65b326782803aa837a7b371a6d43a021b0c24c3.exe
    "C:\Users\Admin\AppData\Local\Temp\8ac5083f52da0ff312259331f65b326782803aa837a7b371a6d43a021b0c24c3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Users\Admin\AppData\Local\Temp\systeminformer-3.0.7660-release-setup.exe
      "C:\Users\Admin\AppData\Local\Temp\systeminformer-3.0.7660-release-setup.exe"
      2⤵
      • Executes dropped EXE
      PID:4740
    • C:\Users\Admin\AppData\Local\Temp\cheac.exe
      "C:\Users\Admin\AppData\Local\Temp\cheac.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\comagentWinintoBroker\yFjSoONubLQ.vbe"
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:996
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\comagentWinintoBroker\qElDGILNhHvVBuGpMhQBMCDLwTPJIH.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1204
          • C:\comagentWinintoBroker\Perfdhcp.exe
            "C:\comagentWinintoBroker\Perfdhcp.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2404
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\KSncTPSdKm.bat"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3284
              • C:\Windows\system32\w32tm.exe
                w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                7⤵
                  PID:2268
                • C:\Recovery\WindowsRE\unsecapp.exe
                  "C:\Recovery\WindowsRE\unsecapp.exe"
                  7⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4324
      • C:\Users\Admin\AppData\Local\Temp\Sabad0n.exe
        "C:\Users\Admin\AppData\Local\Temp\Sabad0n.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1816
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Start Menu\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4452
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Default\Start Menu\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5048
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\Users\Default\Start Menu\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1844
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Photo Viewer\uk-UA\backgroundTaskHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:816
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\uk-UA\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4644
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Photo Viewer\uk-UA\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3972
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\cmd.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1624
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\cmd.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1932
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\cmd.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1504
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Media Player\Skins\SearchApp.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3792
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\Skins\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3288
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Media Player\Skins\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4208
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\SearchApp.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4284
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3968
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1948
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4496
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2148
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:60
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Program Files\7-Zip\Lang\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2304
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\7-Zip\Lang\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3540
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Program Files\7-Zip\Lang\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3272
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Windows\AppReadiness\sppsvc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4504
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Windows\AppReadiness\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2808
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 14 /tr "'C:\Windows\AppReadiness\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3476
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files\Internet Explorer\ja-JP\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2984
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\ja-JP\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4088
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Program Files\Internet Explorer\ja-JP\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4492

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          KSncTPSdKm.bat

          • Path C:\Users\Admin\AppData\Local\Temp\KSncTPSdKm.bat
          • Size 199B
          • SHA256 c3786fe8d1e20e77a9a5737c55da50e9a1ee85e22b2ce566eab2cd0b851c3cc7
          • MD5 SHA1 SHA512

          Sabad0n.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Sabad0n.exe
          • Size 300KB
          • SHA256 d1db41fb98b67cfa0580f3545fa25ebf5a1f694ae9b3950dd78ff04f21670f18
          • MD5 SHA1 SHA512 SSDEEP

          cheac.exe

          • Path C:\Users\Admin\AppData\Local\Temp\cheac.exe
          • Size 2.5MB
          • SHA256 2db9c223644943e13b6d58a160b20ef615861d2ec987a3d669c72dbc7bbdcaa6
          • MD5 SHA1 SHA512 SSDEEP

          systeminformer-3.0.7660-release-setup.exe

          • Path C:\Users\Admin\AppData\Local\Temp\systeminformer-3.0.7660-release-setup.exe
          • Size 15.1MB
          • SHA256 a82821a4c18ef940354b84cd625ce0fd8ed5cfba5418014063f054071bd5fccd
          • MD5 SHA1 SHA512 SSDEEP

          Perfdhcp.exe

          • Path C:\comagentWinintoBroker\Perfdhcp.exe
          • Size 2.2MB
          • SHA256 5c6255cdf1e831099e8b4e7c7efe1afa875e1295736e9a64f000ca8c61f65d6e
          • MD5 SHA1 SHA512 SSDEEP

          qElDGILNhHvVBuGpMhQBMCDLwTPJIH.bat

          • Path C:\comagentWinintoBroker\qElDGILNhHvVBuGpMhQBMCDLwTPJIH.bat
          • Size 39B
          • SHA256 c25305f8cf658c3e10a4d9b375876b207eb667bf2f978f73f66363d635e51626
          • MD5 SHA1 SHA512

          yFjSoONubLQ.vbe

          • Path C:\comagentWinintoBroker\yFjSoONubLQ.vbe
          • Size 228B
          • SHA256 3ed59a88a1b673de3b3f60dd04246efdc55204c129f617f934ebb10fa35ad7b2
          • MD5 SHA1 SHA512

          memory/1816-40-0x0000000002A20000-0x0000000002A2A000-memory.dmp

          memory/1816-82-0x0000000005940000-0x00000000059A6000-memory.dmp

          memory/1816-42-0x0000000005F60000-0x0000000006578000-memory.dmp

          memory/1816-43-0x00000000051E0000-0x00000000052EA000-memory.dmp

          memory/1816-44-0x0000000004EF0000-0x0000000004F02000-memory.dmp

          memory/1816-45-0x0000000004F60000-0x0000000004F9C000-memory.dmp

          memory/1816-46-0x00000000050D0000-0x000000000511C000-memory.dmp

          memory/1816-37-0x0000000005390000-0x0000000005934000-memory.dmp

          memory/1816-30-0x0000000000450000-0x00000000004A2000-memory.dmp

          memory/1816-85-0x0000000006D60000-0x0000000006DB0000-memory.dmp

          memory/1816-84-0x0000000006F90000-0x00000000074BC000-memory.dmp

          memory/1816-39-0x0000000004DE0000-0x0000000004E72000-memory.dmp

          memory/1816-83-0x0000000006890000-0x0000000006A52000-memory.dmp

          memory/2404-53-0x00000000028D0000-0x0000000002920000-memory.dmp

          memory/2404-56-0x0000000002920000-0x000000000292E000-memory.dmp

          memory/2404-57-0x0000000002930000-0x0000000002938000-memory.dmp

          memory/2404-55-0x0000000002880000-0x00000000028D6000-memory.dmp

          memory/2404-54-0x0000000002850000-0x0000000002866000-memory.dmp

          memory/2404-52-0x0000000002830000-0x000000000284C000-memory.dmp

          memory/2404-51-0x00000000004E0000-0x0000000000716000-memory.dmp

          memory/4996-28-0x0000000000400000-0x00000000015FF000-memory.dmp