Analysis

  • max time kernel
    130s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/10/2022, 18:47

General

  • Target
    file.exe
  • Size 288KB
  • Sample221027-xe7snsdae2
  • SHA256 35bc612f9d7bf6de3ff19b9b3f2323e230f732a75c8123498f97893705d13814
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • Fote

C2
  • 79.137.199.60:4691

Attributes
  • auth_value

    e063cd2fd03a8d8334b8d7c3a7b0e7ef

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detect Amadey credential stealer module 6 IoCs
  • RedLine

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

  • RedLine payload 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
      "C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:2000
      • C:\Users\Admin\AppData\Local\Temp\1000177001\son.exe
        "C:\Users\Admin\AppData\Local\Temp\1000177001\son.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1120
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:1876
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {7D76A358-D20A-407F-A9A0-B109F0EBE852} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1324
    • C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1968

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        son.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000177001\son.exe
        • Size 370KB
        • SHA256 1c0e791df8978b5e021f436c201a926d537824af0619f75aa188e57a9c84cdd0
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
        • Size 288KB
        • SHA256 35bc612f9d7bf6de3ff19b9b3f2323e230f732a75c8123498f97893705d13814
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
        • Size 288KB
        • SHA256 35bc612f9d7bf6de3ff19b9b3f2323e230f732a75c8123498f97893705d13814
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
        • Size 288KB
        • SHA256 35bc612f9d7bf6de3ff19b9b3f2323e230f732a75c8123498f97893705d13814
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
        • Size 288KB
        • SHA256 35bc612f9d7bf6de3ff19b9b3f2323e230f732a75c8123498f97893705d13814
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 42a247529de63a9b43768ac145e38fe9da3adc8b2eed558e3ce11e5cd8bbc0e5
        • MD5 SHA1 SHA512 SSDEEP

        son.exe

        • Path \Users\Admin\AppData\Local\Temp\1000177001\son.exe
        • Size 370KB
        • SHA256 1c0e791df8978b5e021f436c201a926d537824af0619f75aa188e57a9c84cdd0
        • MD5 SHA1 SHA512 SSDEEP

        son.exe

        • Path \Users\Admin\AppData\Local\Temp\1000177001\son.exe
        • Size 370KB
        • SHA256 1c0e791df8978b5e021f436c201a926d537824af0619f75aa188e57a9c84cdd0
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
        • Size 288KB
        • SHA256 35bc612f9d7bf6de3ff19b9b3f2323e230f732a75c8123498f97893705d13814
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\b667dbdcd8\rovwer.exe
        • Size 288KB
        • SHA256 35bc612f9d7bf6de3ff19b9b3f2323e230f732a75c8123498f97893705d13814
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 42a247529de63a9b43768ac145e38fe9da3adc8b2eed558e3ce11e5cd8bbc0e5
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 42a247529de63a9b43768ac145e38fe9da3adc8b2eed558e3ce11e5cd8bbc0e5
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 42a247529de63a9b43768ac145e38fe9da3adc8b2eed558e3ce11e5cd8bbc0e5
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 42a247529de63a9b43768ac145e38fe9da3adc8b2eed558e3ce11e5cd8bbc0e5
        • MD5 SHA1 SHA512 SSDEEP

        memory/1120-76-0x00000000002D0000-0x000000000030E000-memory.dmp

        memory/1120-91-0x0000000002D0A000-0x0000000002D3B000-memory.dmp

        memory/1120-92-0x0000000000400000-0x0000000002C4A000-memory.dmp

        memory/1120-72-0x0000000002F50000-0x0000000002F8E000-memory.dmp

        memory/1120-73-0x0000000002F90000-0x0000000002FCC000-memory.dmp

        memory/1120-75-0x0000000002D0A000-0x0000000002D3B000-memory.dmp

        memory/1120-77-0x0000000000400000-0x0000000002C4A000-memory.dmp

        memory/1324-81-0x0000000002E1A000-0x0000000002E37000-memory.dmp

        memory/1324-82-0x0000000000400000-0x0000000002C35000-memory.dmp

        memory/1572-54-0x0000000076121000-0x0000000076123000-memory.dmp

        memory/1572-61-0x0000000000400000-0x0000000002C35000-memory.dmp

        memory/1572-60-0x0000000000220000-0x000000000025A000-memory.dmp

        memory/1572-59-0x0000000002D5A000-0x0000000002D77000-memory.dmp

        memory/1876-90-0x0000000000190000-0x00000000001B4000-memory.dmp

        memory/1968-97-0x0000000000400000-0x0000000002C35000-memory.dmp

        memory/1968-96-0x0000000002E1A000-0x0000000002E37000-memory.dmp

        memory/1992-66-0x0000000000400000-0x0000000002C35000-memory.dmp

        memory/1992-65-0x000000000028A000-0x00000000002A7000-memory.dmp

        memory/1992-67-0x000000000028A000-0x00000000002A7000-memory.dmp