Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 11:44

General

  • Target

    6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb.exe

  • Size

    144KB

  • MD5

    a16758f2d038aca2fdee64cc38d9a4f4

  • SHA1

    c1ad2e63fcdcc773a1a54d5303c368614118ce7b

  • SHA256

    6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb

  • SHA512

    ff35848bb9e8cfaa2d73e35e31e6ac1343ceb7dbea2033b1db7cdced4100082f8fb3f5147e7543efe906522a98887ea12eb78d9a98973083655adbedcd36b0f8

  • SSDEEP

    3072:lNLuMa8RUrSeCb5J+TnXJbRh+2E37ydsMAdl6GP6ZAtV:lN88RUrVU4L5f3E2dsMAdl6GP6ZA

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
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb.exe
    "C:\Users\Admin\AppData\Local\Temp\6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb.exe
      "C:\Users\Admin\AppData\Local\Temp\6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:460
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe" -m C:\Users\Admin\AppData\Local\Temp\6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4620
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe" -m C:\Users\Admin\AppData\Local\Temp\6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb.exe
          4⤵
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          PID:4336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    144KB

    MD5

    a16758f2d038aca2fdee64cc38d9a4f4

    SHA1

    c1ad2e63fcdcc773a1a54d5303c368614118ce7b

    SHA256

    6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb

    SHA512

    ff35848bb9e8cfaa2d73e35e31e6ac1343ceb7dbea2033b1db7cdced4100082f8fb3f5147e7543efe906522a98887ea12eb78d9a98973083655adbedcd36b0f8

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

    Filesize

    144KB

    MD5

    a16758f2d038aca2fdee64cc38d9a4f4

    SHA1

    c1ad2e63fcdcc773a1a54d5303c368614118ce7b

    SHA256

    6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb

    SHA512

    ff35848bb9e8cfaa2d73e35e31e6ac1343ceb7dbea2033b1db7cdced4100082f8fb3f5147e7543efe906522a98887ea12eb78d9a98973083655adbedcd36b0f8

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

    Filesize

    144KB

    MD5

    a16758f2d038aca2fdee64cc38d9a4f4

    SHA1

    c1ad2e63fcdcc773a1a54d5303c368614118ce7b

    SHA256

    6d52f2b7d9647fe6b0d18023ddbfda15b334fcd23bfae236bd47aab0b32e88bb

    SHA512

    ff35848bb9e8cfaa2d73e35e31e6ac1343ceb7dbea2033b1db7cdced4100082f8fb3f5147e7543efe906522a98887ea12eb78d9a98973083655adbedcd36b0f8

  • memory/460-135-0x0000000000000000-mapping.dmp

  • memory/460-136-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/460-138-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/460-139-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1728-134-0x0000000000691000-0x0000000000693000-memory.dmp

    Filesize

    8KB

  • memory/4336-146-0x0000000000000000-mapping.dmp

  • memory/4336-151-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4620-140-0x0000000000000000-mapping.dmp

  • memory/4620-145-0x00000000004B1000-0x00000000004B3000-memory.dmp

    Filesize

    8KB