Analysis

  • max time kernel
    105s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-02-2023 11:11

General

  • Target

    8545b3c5f346723524e6dd29bfe64083.exe

  • Size

    948KB

  • MD5

    8545b3c5f346723524e6dd29bfe64083

  • SHA1

    e864f9c2d68edb928217325e5c8e8cc5eb86dc3f

  • SHA256

    6bd3a312c22fe9fa71fb2ace3f5ec6e8cdfc06a22a0d31f6bcb5896c083cc3ac

  • SHA512

    42fe1fbdd7ac210f331fd7da891c75509a8271bda0b6816facc4f8d6220fa51525d94d48a97e824e5d5ee4949309592324ab24a9b58a579e79d66aaf7d4cf696

  • SSDEEP

    24576:Iky9IISJqTZPEeqJa5E7Om5Fi5EuyuqUc+3l9:Y2eoam5FS9q

Malware Config

Extracted

Family

netwire

C2

zekeriyasolek44.duckdns.org:3102

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    Valentine End

  • install_path

    %Windows%\Windows DataPoint\Windows Data Start.exe

  • lock_executable

    false

  • mutex

    Windows

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 12 IoCs
  • Netwire

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 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 use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8545b3c5f346723524e6dd29bfe64083.exe
    "C:\Users\Admin\AppData\Local\Temp\8545b3c5f346723524e6dd29bfe64083.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Users\Admin\AppData\Local\Temp\8545b3c5f346723524e6dd29bfe64083.exe
      "C:\Users\Admin\AppData\Local\Temp\8545b3c5f346723524e6dd29bfe64083.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:684
      • C:\Users\Admin\AppData\Local\Temp\%Windows\Windows DataPoint\Windows Data Start.exe
        "C:\Users\Admin\AppData\Local\Temp\%Windows\Windows DataPoint\Windows Data Start.exe" -m "C:\Users\Admin\AppData\Local\Temp\8545b3c5f346723524e6dd29bfe64083.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2788
        • C:\Users\Admin\AppData\Local\Temp\%Windows\Windows DataPoint\Windows Data Start.exe
          "C:\Users\Admin\AppData\Local\Temp\%Windows\Windows DataPoint\Windows Data Start.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:2144

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\%Windows\Windows DataPoint\Windows Data Start.exe
    Filesize

    948KB

    MD5

    8545b3c5f346723524e6dd29bfe64083

    SHA1

    e864f9c2d68edb928217325e5c8e8cc5eb86dc3f

    SHA256

    6bd3a312c22fe9fa71fb2ace3f5ec6e8cdfc06a22a0d31f6bcb5896c083cc3ac

    SHA512

    42fe1fbdd7ac210f331fd7da891c75509a8271bda0b6816facc4f8d6220fa51525d94d48a97e824e5d5ee4949309592324ab24a9b58a579e79d66aaf7d4cf696

  • C:\Users\Admin\AppData\Local\Temp\%Windows\Windows DataPoint\Windows Data Start.exe
    Filesize

    948KB

    MD5

    8545b3c5f346723524e6dd29bfe64083

    SHA1

    e864f9c2d68edb928217325e5c8e8cc5eb86dc3f

    SHA256

    6bd3a312c22fe9fa71fb2ace3f5ec6e8cdfc06a22a0d31f6bcb5896c083cc3ac

    SHA512

    42fe1fbdd7ac210f331fd7da891c75509a8271bda0b6816facc4f8d6220fa51525d94d48a97e824e5d5ee4949309592324ab24a9b58a579e79d66aaf7d4cf696

  • C:\Users\Admin\AppData\Local\Temp\%Windows\Windows DataPoint\Windows Data Start.exe
    Filesize

    948KB

    MD5

    8545b3c5f346723524e6dd29bfe64083

    SHA1

    e864f9c2d68edb928217325e5c8e8cc5eb86dc3f

    SHA256

    6bd3a312c22fe9fa71fb2ace3f5ec6e8cdfc06a22a0d31f6bcb5896c083cc3ac

    SHA512

    42fe1fbdd7ac210f331fd7da891c75509a8271bda0b6816facc4f8d6220fa51525d94d48a97e824e5d5ee4949309592324ab24a9b58a579e79d66aaf7d4cf696

  • C:\Users\Admin\AppData\Local\Temp\%Windows\Windows DataPoint\Windows Data Start.exe
    Filesize

    948KB

    MD5

    8545b3c5f346723524e6dd29bfe64083

    SHA1

    e864f9c2d68edb928217325e5c8e8cc5eb86dc3f

    SHA256

    6bd3a312c22fe9fa71fb2ace3f5ec6e8cdfc06a22a0d31f6bcb5896c083cc3ac

    SHA512

    42fe1fbdd7ac210f331fd7da891c75509a8271bda0b6816facc4f8d6220fa51525d94d48a97e824e5d5ee4949309592324ab24a9b58a579e79d66aaf7d4cf696

  • memory/684-143-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/684-157-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/684-147-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/684-144-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/684-141-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/2144-162-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/2144-164-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/2144-170-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/2144-168-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/2144-167-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/2144-166-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/2144-165-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/2788-158-0x00000000055A0000-0x00000000055B0000-memory.dmp
    Filesize

    64KB

  • memory/2788-159-0x00000000055A0000-0x00000000055B0000-memory.dmp
    Filesize

    64KB

  • memory/3088-134-0x0000000005BC0000-0x0000000006164000-memory.dmp
    Filesize

    5.6MB

  • memory/3088-137-0x0000000005700000-0x000000000570A000-memory.dmp
    Filesize

    40KB

  • memory/3088-133-0x0000000000BE0000-0x0000000000CD4000-memory.dmp
    Filesize

    976KB

  • memory/3088-138-0x0000000005970000-0x0000000005B16000-memory.dmp
    Filesize

    1.6MB

  • memory/3088-140-0x0000000007440000-0x00000000074DC000-memory.dmp
    Filesize

    624KB

  • memory/3088-135-0x0000000005610000-0x00000000056A2000-memory.dmp
    Filesize

    584KB

  • memory/3088-136-0x0000000005500000-0x0000000005510000-memory.dmp
    Filesize

    64KB

  • memory/3088-139-0x0000000005500000-0x0000000005510000-memory.dmp
    Filesize

    64KB