Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:50

General

  • Target

    1d5bd2883deb901304374c94c53111c651b84a93b42dfebe7130fbfe8fe659c4.exe

  • Size

    204KB

  • MD5

    205848af8f42bb58eb75691d63914680

  • SHA1

    03a9291302adb5547770ad9fd9c154bcee0b4cf6

  • SHA256

    1d5bd2883deb901304374c94c53111c651b84a93b42dfebe7130fbfe8fe659c4

  • SHA512

    3ccac74913e87b9c532cb9fc47bb7d87b263c1d1fc5195e8931c871d46981aeb03cc21b17bad9e9d7c225c28dcaaa57aebe6895bca6003b01c7bab1a6f764d83

  • SSDEEP

    3072:MeirItZs7DbxRmBIrqfD+jKzbIXEoKxXFBbhkBJlOqvLu2d71KBscrvjVe:MeiEoDtWLmEBbKB/OkSc/07E

Malware Config

Signatures

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

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

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d5bd2883deb901304374c94c53111c651b84a93b42dfebe7130fbfe8fe659c4.exe
    "C:\Users\Admin\AppData\Local\Temp\1d5bd2883deb901304374c94c53111c651b84a93b42dfebe7130fbfe8fe659c4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\1d5bd2883deb901304374c94c53111c651b84a93b42dfebe7130fbfe8fe659c4.exe
      "C:\Users\Admin\AppData\Local\Temp\1d5bd2883deb901304374c94c53111c651b84a93b42dfebe7130fbfe8fe659c4.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:824
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:2032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    204KB

    MD5

    205848af8f42bb58eb75691d63914680

    SHA1

    03a9291302adb5547770ad9fd9c154bcee0b4cf6

    SHA256

    1d5bd2883deb901304374c94c53111c651b84a93b42dfebe7130fbfe8fe659c4

    SHA512

    3ccac74913e87b9c532cb9fc47bb7d87b263c1d1fc5195e8931c871d46981aeb03cc21b17bad9e9d7c225c28dcaaa57aebe6895bca6003b01c7bab1a6f764d83

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    204KB

    MD5

    205848af8f42bb58eb75691d63914680

    SHA1

    03a9291302adb5547770ad9fd9c154bcee0b4cf6

    SHA256

    1d5bd2883deb901304374c94c53111c651b84a93b42dfebe7130fbfe8fe659c4

    SHA512

    3ccac74913e87b9c532cb9fc47bb7d87b263c1d1fc5195e8931c871d46981aeb03cc21b17bad9e9d7c225c28dcaaa57aebe6895bca6003b01c7bab1a6f764d83

  • \Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    204KB

    MD5

    205848af8f42bb58eb75691d63914680

    SHA1

    03a9291302adb5547770ad9fd9c154bcee0b4cf6

    SHA256

    1d5bd2883deb901304374c94c53111c651b84a93b42dfebe7130fbfe8fe659c4

    SHA512

    3ccac74913e87b9c532cb9fc47bb7d87b263c1d1fc5195e8931c871d46981aeb03cc21b17bad9e9d7c225c28dcaaa57aebe6895bca6003b01c7bab1a6f764d83

  • memory/824-59-0x0000000000000000-mapping.dmp

  • memory/1976-54-0x00000000754E1000-0x00000000754E3000-memory.dmp

    Filesize

    8KB

  • memory/1984-55-0x0000000000401F8F-mapping.dmp

  • memory/1984-57-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2032-62-0x0000000000401F8F-mapping.dmp

  • memory/2032-65-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB