Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/08/2024, 02:40

General

  • Target
    f6d91197888813e8dbfd72b2492e86187ad7a86d43a7f3b7ebb01ee269ea4ba4.exe
  • Size 372KB
  • Sample240806-c5v7ca1dka
  • SHA256 f6d91197888813e8dbfd72b2492e86187ad7a86d43a7f3b7ebb01ee269ea4ba4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • UltimateCrackPack

C2
  • 51.83.170.23:16128

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Drops desktop.ini file(s) 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6d91197888813e8dbfd72b2492e86187ad7a86d43a7f3b7ebb01ee269ea4ba4.exe
    "C:\Users\Admin\AppData\Local\Temp\f6d91197888813e8dbfd72b2492e86187ad7a86d43a7f3b7ebb01ee269ea4ba4.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\Ultimate-Crack-Pack.exe
      "C:\Users\Admin\AppData\Local\Temp\Ultimate-Crack-Pack.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3876
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'msconfig.exe';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'msconfig.exe' -Value '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\System Configuration\msconfig.exe.exe"' -PropertyType 'String'
        3⤵
        • Adds Run key to start application
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:764
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1956
    • C:\Users\Admin\AppData\Local\Temp\Hash Cracking v1.0.exe
      "C:\Users\Admin\AppData\Local\Temp\Hash Cracking v1.0.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3848

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Hash Cracking v1.0.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Hash Cracking v1.0.exe
        • Size 229KB
        • SHA256 6f729fa70b9cab088a8763c84f4d0ab9b137b8bc674ce3eb8bca190a363f44df
        • MD5 SHA1 SHA512 SSDEEP

        Ultimate-Crack-Pack.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Ultimate-Crack-Pack.exe
        • Size 115KB
        • SHA256 a6c001e47fd68b6c97fa484c5c98f918eed5d231bd8f1a4e4ad65af20788118b
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_1pi0ngyl.liy.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1pi0ngyl.liy.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpF0EE.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpF0EE.tmp
        • Size 40KB
        • SHA256 42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914
        • MD5 SHA1 SHA512 SSDEEP

        tmpF103.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpF103.tmp
        • Size 114KB
        • SHA256 1dc436687ed65d9f2fcda9a68a812346f56f566f7671cbe1be0beaa157045294
        • MD5 SHA1 SHA512 SSDEEP

        tmpF11F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpF11F.tmp
        • Size 48KB
        • SHA256 c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a
        • MD5 SHA1 SHA512 SSDEEP

        tmpF135.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpF135.tmp
        • Size 20KB
        • SHA256 d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f
        • MD5 SHA1 SHA512 SSDEEP

        tmpF14A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpF14A.tmp
        • Size 116KB
        • SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
        • MD5 SHA1 SHA512 SSDEEP

        tmpF175.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpF175.tmp
        • Size 96KB
        • SHA256 cdd772b00ae53d4050150552b67028b7344bb1d345bceb495151cc969c27a0a0
        • MD5 SHA1 SHA512 SSDEEP

        memory/764-47-0x00000000052D0000-0x0000000005306000-memory.dmp

        memory/764-71-0x0000000006DC0000-0x0000000006DE2000-memory.dmp

        memory/764-70-0x0000000006D70000-0x0000000006D8A000-memory.dmp

        memory/764-69-0x0000000007870000-0x0000000007906000-memory.dmp

        memory/764-67-0x0000000006880000-0x000000000689E000-memory.dmp

        memory/764-52-0x0000000006060000-0x00000000060C6000-memory.dmp

        memory/764-61-0x0000000006210000-0x0000000006564000-memory.dmp

        memory/764-51-0x0000000005FF0000-0x0000000006056000-memory.dmp

        memory/764-50-0x00000000058D0000-0x00000000058F2000-memory.dmp

        memory/764-48-0x0000000005950000-0x0000000005F78000-memory.dmp

        memory/1956-66-0x0000000005580000-0x00000000055CC000-memory.dmp

        memory/1956-65-0x0000000005540000-0x000000000557C000-memory.dmp

        memory/1956-45-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/1956-75-0x0000000006F40000-0x000000000746C000-memory.dmp

        memory/1956-74-0x0000000006840000-0x0000000006A02000-memory.dmp

        memory/1956-68-0x00000000057E0000-0x00000000058EA000-memory.dmp

        memory/1956-54-0x00000000054E0000-0x00000000054F2000-memory.dmp

        memory/1956-53-0x0000000005AA0000-0x00000000060B8000-memory.dmp

        memory/2212-1-0x00007FF8E8EF3000-0x00007FF8E8EF5000-memory.dmp

        memory/2212-0-0x0000000000C70000-0x0000000000CD4000-memory.dmp

        memory/3848-41-0x00000000740C0000-0x0000000074870000-memory.dmp

        memory/3848-27-0x00000000740CE000-0x00000000740CF000-memory.dmp

        memory/3848-37-0x00000000740C0000-0x0000000074870000-memory.dmp

        memory/3848-38-0x0000000005550000-0x00000000055A6000-memory.dmp

        memory/3848-39-0x00000000740CE000-0x00000000740CF000-memory.dmp

        memory/3848-28-0x0000000000990000-0x00000000009D0000-memory.dmp

        memory/3848-30-0x00000000051E0000-0x000000000527C000-memory.dmp

        memory/3876-43-0x0000000005370000-0x000000000538E000-memory.dmp

        memory/3876-33-0x0000000005170000-0x0000000005202000-memory.dmp

        memory/3876-32-0x0000000005870000-0x0000000005E14000-memory.dmp

        memory/3876-34-0x00000000740C0000-0x0000000074870000-memory.dmp

        memory/3876-42-0x0000000005280000-0x00000000052A2000-memory.dmp

        memory/3876-31-0x00000000740C0000-0x0000000074870000-memory.dmp

        memory/3876-49-0x00000000740C0000-0x0000000074870000-memory.dmp

        memory/3876-29-0x0000000000770000-0x0000000000794000-memory.dmp

        memory/3876-35-0x0000000005150000-0x000000000515A000-memory.dmp

        memory/3876-36-0x00000000052C0000-0x0000000005336000-memory.dmp

        memory/3876-40-0x00000000740C0000-0x0000000074870000-memory.dmp