Analysis

  • max time kernel
    68s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    06/09/2021, 22:08

General

  • Target
    f8896e327cdf85749c94a832107c453f.exe
  • Size 1.2MB
  • Sample210906-1185eaegal
  • SHA256 32d8cde15a3e57d033e2bad6e8e0d1a3a16f4934ca4c0df122cbc7d3a0de710a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • 8d540643cc195ccd3e77766ab1d4b73d68715d8c

Attributes
  • url4cnc

    https://telete.in/hipPelfoxhop

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8896e327cdf85749c94a832107c453f.exe
    "C:\Users\Admin\AppData\Local\Temp\f8896e327cdf85749c94a832107c453f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\f8896e327cdf85749c94a832107c453f.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3832
      • C:\Users\Admin\AppData\Local\Temp\BjYMfWJw0f.exe
        "C:\Users\Admin\AppData\Local\Temp\BjYMfWJw0f.exe"
        3⤵
        • Executes dropped EXE
        PID:360
        • C:\Users\Admin\AppData\Local\Temp\besthotnewetc.exe
          "C:\Users\Admin\AppData\Local\Temp\besthotnewetc.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3192
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd" /c powershell -Command Add-MpPreference -ExclusionPath '%UserProfile%' & powershell -Command Add-MpPreference -ExclusionPath '%AppData%' & powershell -Command Add-MpPreference -ExclusionPath '%Temp%' & powershell -Command Add-MpPreference -ExclusionPath '%SystemRoot%' & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1872
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin'
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:188
        • C:\Users\Admin\AppData\Local\Temp\ss.exe
          "C:\Users\Admin\AppData\Local\Temp\ss.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1248
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\f8896e327cdf85749c94a832107c453f.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3944
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:3980

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/188-157-0x00000249B4073000-0x00000249B4075000-memory.dmp

        memory/188-148-0x000002499BE70000-0x000002499BE71000-memory.dmp

        memory/188-152-0x00000249B4080000-0x00000249B4081000-memory.dmp

        memory/188-156-0x00000249B4070000-0x00000249B4072000-memory.dmp

        memory/188-159-0x00000249B4076000-0x00000249B4078000-memory.dmp

        memory/1248-140-0x0000022F8BB30000-0x0000022F8BB31000-memory.dmp

        memory/1248-158-0x0000022F8BD90000-0x0000022F8BD92000-memory.dmp

        memory/1456-120-0x0000000004B50000-0x0000000004B51000-memory.dmp

        memory/1456-119-0x0000000004B30000-0x000000000502E000-memory.dmp

        memory/1456-124-0x0000000008500000-0x00000000085A2000-memory.dmp

        memory/1456-123-0x0000000008420000-0x00000000084F8000-memory.dmp

        memory/1456-122-0x0000000002460000-0x000000000246E000-memory.dmp

        memory/1456-116-0x0000000004A90000-0x0000000004A91000-memory.dmp

        memory/1456-117-0x0000000005030000-0x0000000005031000-memory.dmp

        memory/1456-118-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

        memory/1456-114-0x0000000000010000-0x0000000000011000-memory.dmp

        memory/1456-121-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

        memory/3192-155-0x0000000003910000-0x0000000003912000-memory.dmp

        memory/3192-138-0x0000000000F10000-0x0000000000F11000-memory.dmp

        memory/3832-127-0x0000000000400000-0x0000000000492000-memory.dmp

        memory/3832-125-0x0000000000400000-0x0000000000492000-memory.dmp