Analysis

  • max time kernel
    198s
  • max time network
    203s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 20:10

General

  • Target

    38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a.exe

  • Size

    351KB

  • MD5

    c6880d3f845a57d080145d53a6ac58e3

  • SHA1

    cca382986b9969b6b2e4210655f5e71b001964bf

  • SHA256

    38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a

  • SHA512

    d9476d336b717decd4051bbbb5b5934dee4ef48b2d6e3256d9386feaa182f8107c13e178a1c7cd5ca8d1d478bae34d588a17229d1acf9138148025e801e018ec

Malware Config

Extracted

Family

netwire

C2

ASKJHDASKDHSHTD.RU:6971

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • lock_executable

    false

  • mutex

    mqIhDWwE

  • offline_keylogger

    false

  • password

    ppF7"oRyqm

  • registry_autorun

    false

  • use_mutex

    true

Signatures

  • NetWire RAT payload 7 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NTFS ADS 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a.exe
    "C:\Users\Admin\AppData\Local\Temp\38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a.exe:Zone.Identifier"
      2⤵
      • NTFS ADS
      PID:1108
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a.exe:Zone.Identifier"
      2⤵
      • NTFS ADS
      PID:2044
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a.exe" "C:\Users\Admin\AppData\Local\svsc.exe"
      2⤵
      • NTFS ADS
      PID:1364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\svsc.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:844
      • C:\Users\Admin\AppData\Local\svsc.exe
        "C:\Users\Admin\AppData\Local\svsc.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:524
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\svsc.exe:Zone.Identifier"
          4⤵
          • NTFS ADS
          PID:832
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\svsc.exe:Zone.Identifier"
          4⤵
          • NTFS ADS
          PID:1556
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
            PID:1668

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\svsc.exe

      Filesize

      351KB

      MD5

      c6880d3f845a57d080145d53a6ac58e3

      SHA1

      cca382986b9969b6b2e4210655f5e71b001964bf

      SHA256

      38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a

      SHA512

      d9476d336b717decd4051bbbb5b5934dee4ef48b2d6e3256d9386feaa182f8107c13e178a1c7cd5ca8d1d478bae34d588a17229d1acf9138148025e801e018ec

    • C:\Users\Admin\AppData\Local\svsc.exe

      Filesize

      351KB

      MD5

      c6880d3f845a57d080145d53a6ac58e3

      SHA1

      cca382986b9969b6b2e4210655f5e71b001964bf

      SHA256

      38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a

      SHA512

      d9476d336b717decd4051bbbb5b5934dee4ef48b2d6e3256d9386feaa182f8107c13e178a1c7cd5ca8d1d478bae34d588a17229d1acf9138148025e801e018ec

    • \Users\Admin\AppData\Local\svsc.exe

      Filesize

      351KB

      MD5

      c6880d3f845a57d080145d53a6ac58e3

      SHA1

      cca382986b9969b6b2e4210655f5e71b001964bf

      SHA256

      38665a270e357410c157e6865a88c3fe20b4954a9effe16c83e70efc8b65259a

      SHA512

      d9476d336b717decd4051bbbb5b5934dee4ef48b2d6e3256d9386feaa182f8107c13e178a1c7cd5ca8d1d478bae34d588a17229d1acf9138148025e801e018ec

    • memory/524-71-0x0000000000E80000-0x0000000000E8C000-memory.dmp

      Filesize

      48KB

    • memory/524-67-0x00000000011B0000-0x000000000120E000-memory.dmp

      Filesize

      376KB

    • memory/524-65-0x0000000000000000-mapping.dmp

    • memory/832-69-0x0000000000000000-mapping.dmp

    • memory/844-62-0x0000000000000000-mapping.dmp

    • memory/1108-57-0x0000000000000000-mapping.dmp

    • memory/1364-61-0x0000000000000000-mapping.dmp

    • memory/1556-70-0x0000000000000000-mapping.dmp

    • memory/1648-60-0x0000000004160000-0x000000000416C000-memory.dmp

      Filesize

      48KB

    • memory/1648-55-0x0000000000230000-0x000000000025A000-memory.dmp

      Filesize

      168KB

    • memory/1648-54-0x00000000000F0000-0x000000000014E000-memory.dmp

      Filesize

      376KB

    • memory/1648-58-0x0000000001F60000-0x0000000001F68000-memory.dmp

      Filesize

      32KB

    • memory/1648-56-0x00000000752A1000-0x00000000752A3000-memory.dmp

      Filesize

      8KB

    • memory/1668-73-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1668-72-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1668-75-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1668-77-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1668-78-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1668-80-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1668-81-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1668-82-0x0000000000402BCB-mapping.dmp

    • memory/1668-85-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1668-86-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/2044-59-0x0000000000000000-mapping.dmp