Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2024, 03:57

General

  • Target
    c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204.exe
  • Size 2.5MB
  • Sample240705-eh6exasbpn
  • SHA256 c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • halle

C2
  • 194.55.186.180:55123

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
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 3 IoCs
  • 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 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204.exe
    "C:\Users\Admin\AppData\Local\Temp\c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2196
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3844
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2028

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_zwup305e.a5m.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zwup305e.a5m.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpDE00.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDE00.tmp
        • Size 46KB
        • SHA256 776ecf8411b1b0167bea724409ac9d3f8479973df223ecc6e60e3302b3b2b8ea
        • MD5 SHA1 SHA512 SSDEEP

        tmpDE16.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDE16.tmp
        • Size 100KB
        • SHA256 fd821a883d1953d95a9e616db71d43071afde16947f331f523ce8ea20c39d139
        • MD5 SHA1 SHA512 SSDEEP

        tmpDE41.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDE41.tmp
        • Size 48KB
        • SHA256 c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a
        • MD5 SHA1 SHA512 SSDEEP

        tmpDE55.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDE55.tmp
        • Size 20KB
        • SHA256 d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f
        • MD5 SHA1 SHA512 SSDEEP

        tmpDE5C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDE5C.tmp
        • Size 116KB
        • SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
        • MD5 SHA1 SHA512 SSDEEP

        tmpDEA6.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDEA6.tmp
        • Size 96KB
        • SHA256 0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0
        • MD5 SHA1 SHA512 SSDEEP

        memory/2028-23-0x00000000059A0000-0x00000000059DC000-memory.dmp

        memory/2028-27-0x0000000006E00000-0x0000000006FC2000-memory.dmp

        memory/2028-5-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/2028-33-0x00000000074E0000-0x00000000074FE000-memory.dmp

        memory/2028-32-0x0000000007FE0000-0x0000000008584000-memory.dmp

        memory/2028-21-0x0000000006090000-0x00000000066A8000-memory.dmp

        memory/2028-22-0x0000000005940000-0x0000000005952000-memory.dmp

        memory/2028-31-0x0000000007380000-0x00000000073F6000-memory.dmp

        memory/2028-24-0x00000000059E0000-0x0000000005A2C000-memory.dmp

        memory/2028-25-0x0000000005C50000-0x0000000005D5A000-memory.dmp

        memory/2028-30-0x00000000072E0000-0x0000000007372000-memory.dmp

        memory/2028-29-0x0000000006FD0000-0x0000000007036000-memory.dmp

        memory/2028-28-0x0000000007500000-0x0000000007A2C000-memory.dmp

        memory/2196-26-0x00007FFA55A10000-0x00007FFA564D1000-memory.dmp

        memory/2196-0-0x00007FFA55A13000-0x00007FFA55A15000-memory.dmp

        memory/2196-4-0x00007FFA55A10000-0x00007FFA564D1000-memory.dmp

        memory/2196-3-0x0000026141590000-0x0000026141600000-memory.dmp

        memory/2196-2-0x0000026159F70000-0x0000026159F8E000-memory.dmp

        memory/2196-1-0x000002613F970000-0x000002613F98E000-memory.dmp

        memory/3844-16-0x00007FFA55A10000-0x00007FFA564D1000-memory.dmp

        memory/3844-20-0x00007FFA55A10000-0x00007FFA564D1000-memory.dmp

        memory/3844-18-0x00007FFA55A10000-0x00007FFA564D1000-memory.dmp

        memory/3844-12-0x00000195E89B0000-0x00000195E89D2000-memory.dmp

        memory/3844-17-0x00007FFA55A10000-0x00007FFA564D1000-memory.dmp