Analysis

  • max time kernel
    80s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2022 16:02

General

  • Target

    5bf9a8fbbf53172ab424905d4b33d8d56333016b704423d262cc008e77492695.exe

  • Size

    328KB

  • MD5

    fa60eb0549da2b5b9213a237ea46d9f1

  • SHA1

    a11a6f76acd193f5e9b3634db3847e7aba7d3e4b

  • SHA256

    5bf9a8fbbf53172ab424905d4b33d8d56333016b704423d262cc008e77492695

  • SHA512

    2b3d2e0ce4c9537b6e02e4ec36b9a4be2d6f0559ad08c4b93640dadf5234bce839987d5a8f7f4f3d4694fbd4f1e8d54ab45f7e1e69f98453d9c163e11b37716e

Malware Config

Extracted

Family

netwire

C2

91.192.100.34:7008

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    BST

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 10 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 4 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5bf9a8fbbf53172ab424905d4b33d8d56333016b704423d262cc008e77492695.exe
    "C:\Users\Admin\AppData\Local\Temp\5bf9a8fbbf53172ab424905d4b33d8d56333016b704423d262cc008e77492695.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
        3⤵
          PID:944
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        2⤵
        • Executes dropped EXE
        PID:1604
      • C:\Users\Admin\AppData\Local\Temp\svhost.exe
        "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
        2⤵
        • Executes dropped EXE
        PID:1612

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe

      Filesize

      328KB

      MD5

      fa60eb0549da2b5b9213a237ea46d9f1

      SHA1

      a11a6f76acd193f5e9b3634db3847e7aba7d3e4b

      SHA256

      5bf9a8fbbf53172ab424905d4b33d8d56333016b704423d262cc008e77492695

      SHA512

      2b3d2e0ce4c9537b6e02e4ec36b9a4be2d6f0559ad08c4b93640dadf5234bce839987d5a8f7f4f3d4694fbd4f1e8d54ab45f7e1e69f98453d9c163e11b37716e

    • C:\Users\Admin\AppData\Local\Temp\svhost.exe

      Filesize

      85KB

      MD5

      2e5f1cf69f92392f8829fc9c9263ae9b

      SHA1

      97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

      SHA256

      51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

      SHA512

      f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

    • C:\Users\Admin\AppData\Local\Temp\tmp.exe

      Filesize

      132KB

      MD5

      2afc8dc897074e5d76004b1ff6f949de

      SHA1

      7e9402d4c652b2ec8721273af9f7cb65b56fd3f9

      SHA256

      0aa93c8240a9c593d6a8d5c226d4f0b7ac033cef70b39524281c52d92a97fb0a

      SHA512

      6a0782eaeb0a2fb709d4cf5fdc6fe81185eb0cd54ba2f54f4de94b1b48dc96adb588a741f6514f9e38ffc7ca116666261c73e1c7709b1bf6a55e2bc89b7a70ea

    • \Users\Admin\AppData\Local\Temp\FolderN\name.exe

      Filesize

      328KB

      MD5

      fa60eb0549da2b5b9213a237ea46d9f1

      SHA1

      a11a6f76acd193f5e9b3634db3847e7aba7d3e4b

      SHA256

      5bf9a8fbbf53172ab424905d4b33d8d56333016b704423d262cc008e77492695

      SHA512

      2b3d2e0ce4c9537b6e02e4ec36b9a4be2d6f0559ad08c4b93640dadf5234bce839987d5a8f7f4f3d4694fbd4f1e8d54ab45f7e1e69f98453d9c163e11b37716e

    • \Users\Admin\AppData\Local\Temp\svhost.exe

      Filesize

      85KB

      MD5

      2e5f1cf69f92392f8829fc9c9263ae9b

      SHA1

      97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

      SHA256

      51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

      SHA512

      f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

    • \Users\Admin\AppData\Local\Temp\tmp.exe

      Filesize

      132KB

      MD5

      2afc8dc897074e5d76004b1ff6f949de

      SHA1

      7e9402d4c652b2ec8721273af9f7cb65b56fd3f9

      SHA256

      0aa93c8240a9c593d6a8d5c226d4f0b7ac033cef70b39524281c52d92a97fb0a

      SHA512

      6a0782eaeb0a2fb709d4cf5fdc6fe81185eb0cd54ba2f54f4de94b1b48dc96adb588a741f6514f9e38ffc7ca116666261c73e1c7709b1bf6a55e2bc89b7a70ea

    • \Users\Admin\AppData\Local\Temp\tmp.exe

      Filesize

      132KB

      MD5

      2afc8dc897074e5d76004b1ff6f949de

      SHA1

      7e9402d4c652b2ec8721273af9f7cb65b56fd3f9

      SHA256

      0aa93c8240a9c593d6a8d5c226d4f0b7ac033cef70b39524281c52d92a97fb0a

      SHA512

      6a0782eaeb0a2fb709d4cf5fdc6fe81185eb0cd54ba2f54f4de94b1b48dc96adb588a741f6514f9e38ffc7ca116666261c73e1c7709b1bf6a55e2bc89b7a70ea

    • memory/944-56-0x0000000000000000-mapping.dmp

    • memory/1604-61-0x0000000000000000-mapping.dmp

    • memory/1612-65-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1612-74-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1612-66-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1612-68-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1612-70-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1612-71-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1612-73-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1612-81-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1612-79-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1612-75-0x0000000000402BCB-mapping.dmp

    • memory/1724-55-0x0000000000000000-mapping.dmp

    • memory/1976-80-0x0000000074C20000-0x00000000751CB000-memory.dmp

      Filesize

      5.7MB

    • memory/1976-54-0x0000000076901000-0x0000000076903000-memory.dmp

      Filesize

      8KB

    • memory/1976-82-0x0000000074C20000-0x00000000751CB000-memory.dmp

      Filesize

      5.7MB