Analysis

  • max time kernel
    112s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 06:34

General

  • Target

    e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8.exe

  • Size

    664KB

  • MD5

    96d9b8339df538ec53818d2d2a6542f5

  • SHA1

    0afa566cf2b68389b2026928a6184c76acd0cc8a

  • SHA256

    e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8

  • SHA512

    fb8c31ee839bf2b9c1184e0283a757598a072e04f830720a8afc2445dc6319dbec360642642793d87d71b9f64d1554905e33d4a5511f600b96098ac24ced9d37

Malware Config

Extracted

Family

netwire

C2

79.134.225.120:8765

Attributes
  • activex_autorun

    true

  • activex_key

    {7XOS4W0K-H4LE-56X7-UJ07-L110BJ4GFYE8}

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    true

  • startup_name

    win01

  • use_mutex

    false

Signatures

  • NetWire RAT payload 4 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
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8.exe
    "C:\Users\Admin\AppData\Local\Temp\e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8.exe
      "C:\Users\Admin\AppData\Local\Temp\e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:1500
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1596
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:288

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

2
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

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

    664KB

    MD5

    96d9b8339df538ec53818d2d2a6542f5

    SHA1

    0afa566cf2b68389b2026928a6184c76acd0cc8a

    SHA256

    e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8

    SHA512

    fb8c31ee839bf2b9c1184e0283a757598a072e04f830720a8afc2445dc6319dbec360642642793d87d71b9f64d1554905e33d4a5511f600b96098ac24ced9d37

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

    664KB

    MD5

    96d9b8339df538ec53818d2d2a6542f5

    SHA1

    0afa566cf2b68389b2026928a6184c76acd0cc8a

    SHA256

    e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8

    SHA512

    fb8c31ee839bf2b9c1184e0283a757598a072e04f830720a8afc2445dc6319dbec360642642793d87d71b9f64d1554905e33d4a5511f600b96098ac24ced9d37

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

    664KB

    MD5

    96d9b8339df538ec53818d2d2a6542f5

    SHA1

    0afa566cf2b68389b2026928a6184c76acd0cc8a

    SHA256

    e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8

    SHA512

    fb8c31ee839bf2b9c1184e0283a757598a072e04f830720a8afc2445dc6319dbec360642642793d87d71b9f64d1554905e33d4a5511f600b96098ac24ced9d37

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

    664KB

    MD5

    96d9b8339df538ec53818d2d2a6542f5

    SHA1

    0afa566cf2b68389b2026928a6184c76acd0cc8a

    SHA256

    e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8

    SHA512

    fb8c31ee839bf2b9c1184e0283a757598a072e04f830720a8afc2445dc6319dbec360642642793d87d71b9f64d1554905e33d4a5511f600b96098ac24ced9d37

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

    664KB

    MD5

    96d9b8339df538ec53818d2d2a6542f5

    SHA1

    0afa566cf2b68389b2026928a6184c76acd0cc8a

    SHA256

    e8fdf11abbe99931a8bdd989a3dd59b0ca0bd3cd9eaf8868c973edfa1ff47aa8

    SHA512

    fb8c31ee839bf2b9c1184e0283a757598a072e04f830720a8afc2445dc6319dbec360642642793d87d71b9f64d1554905e33d4a5511f600b96098ac24ced9d37

  • memory/288-86-0x0000000000420B04-mapping.dmp
  • memory/288-99-0x0000000077990000-0x0000000077B39000-memory.dmp
    Filesize

    1.7MB

  • memory/288-93-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

  • memory/288-92-0x0000000000400000-0x00000000004A7000-memory.dmp
    Filesize

    668KB

  • memory/1500-81-0x0000000077B70000-0x0000000077CF0000-memory.dmp
    Filesize

    1.5MB

  • memory/1500-66-0x0000000000400000-0x00000000004A7000-memory.dmp
    Filesize

    668KB

  • memory/1500-67-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

  • memory/1500-61-0x0000000000420B04-mapping.dmp
  • memory/1500-76-0x0000000000220000-0x000000000022E000-memory.dmp
    Filesize

    56KB

  • memory/1500-79-0x0000000077990000-0x0000000077B39000-memory.dmp
    Filesize

    1.7MB

  • memory/1596-75-0x0000000000000000-mapping.dmp
  • memory/1596-84-0x0000000077990000-0x0000000077B39000-memory.dmp
    Filesize

    1.7MB

  • memory/1596-88-0x0000000000270000-0x000000000027E000-memory.dmp
    Filesize

    56KB

  • memory/1596-89-0x0000000077B70000-0x0000000077CF0000-memory.dmp
    Filesize

    1.5MB

  • memory/1644-58-0x0000000077990000-0x0000000077B39000-memory.dmp
    Filesize

    1.7MB

  • memory/1644-56-0x00000000003D0000-0x00000000003DE000-memory.dmp
    Filesize

    56KB

  • memory/1644-57-0x00000000763E1000-0x00000000763E3000-memory.dmp
    Filesize

    8KB

  • memory/1644-59-0x0000000077B70000-0x0000000077CF0000-memory.dmp
    Filesize

    1.5MB

  • memory/1644-63-0x0000000077B70000-0x0000000077CF0000-memory.dmp
    Filesize

    1.5MB

  • memory/1644-62-0x00000000003D0000-0x00000000003DE000-memory.dmp
    Filesize

    56KB