Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-10-2022 13:10

General

  • Target

    9425ac2ec74d9ac879b675ada25ffd49b4d5b72804eacea57ab31669719f7b1e.exe

  • Size

    807KB

  • MD5

    e98ad81cc146f795a90c08fb481514fb

  • SHA1

    3f0074cf8ded5ef492007b3381ae9c0ef42eb7be

  • SHA256

    9425ac2ec74d9ac879b675ada25ffd49b4d5b72804eacea57ab31669719f7b1e

  • SHA512

    455722030d9e08825c9d2b5a95514ad6fb177f46717bf0044d27abbcc4c7597166ce2d758903138e9925e9725fc9a1b716a1fc0d6b7515f24447047a16bb7b9b

  • SSDEEP

    12288:+xEdknAFT9qyhDLtLd/o4SzBmAYMueHxADqjJ5n:/DhDJLO4SzBmAYMFjr

Malware Config

Extracted

Family

netwire

C2

37.0.14.206:3384

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    true

  • offline_keylogger

    true

  • password

    Password234

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 5 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
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9425ac2ec74d9ac879b675ada25ffd49b4d5b72804eacea57ab31669719f7b1e.exe
    "C:\Users\Admin\AppData\Local\Temp\9425ac2ec74d9ac879b675ada25ffd49b4d5b72804eacea57ab31669719f7b1e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PbPgJXRhYzvGb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF7E3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4304
    • C:\Users\Admin\AppData\Local\Temp\9425ac2ec74d9ac879b675ada25ffd49b4d5b72804eacea57ab31669719f7b1e.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1864
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PbPgJXRhYzvGb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6264.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:1232
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "{path}"
          4⤵
          • Executes dropped EXE
          PID:3092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6264.tmp

    Filesize

    1KB

    MD5

    b4fa2be1e325c9543b723858cdd2bb55

    SHA1

    12010d537ba2eefba4b3774b6911b86c5b30dc58

    SHA256

    116c2d7c96ad093657eb204cf45e31fc084c034e98aa2042afc152e2d9edf965

    SHA512

    762fdc1549b7bab4254a7eb62cb53b672f477c2af96f1c83bc4c67b6a12e29f16e5603271f63d22aa84c677f522ff82b529c9c7799dd1d8bf5bd79f8b15e4481

  • C:\Users\Admin\AppData\Local\Temp\tmpF7E3.tmp

    Filesize

    1KB

    MD5

    b4fa2be1e325c9543b723858cdd2bb55

    SHA1

    12010d537ba2eefba4b3774b6911b86c5b30dc58

    SHA256

    116c2d7c96ad093657eb204cf45e31fc084c034e98aa2042afc152e2d9edf965

    SHA512

    762fdc1549b7bab4254a7eb62cb53b672f477c2af96f1c83bc4c67b6a12e29f16e5603271f63d22aa84c677f522ff82b529c9c7799dd1d8bf5bd79f8b15e4481

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

    Filesize

    807KB

    MD5

    e98ad81cc146f795a90c08fb481514fb

    SHA1

    3f0074cf8ded5ef492007b3381ae9c0ef42eb7be

    SHA256

    9425ac2ec74d9ac879b675ada25ffd49b4d5b72804eacea57ab31669719f7b1e

    SHA512

    455722030d9e08825c9d2b5a95514ad6fb177f46717bf0044d27abbcc4c7597166ce2d758903138e9925e9725fc9a1b716a1fc0d6b7515f24447047a16bb7b9b

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

    Filesize

    807KB

    MD5

    e98ad81cc146f795a90c08fb481514fb

    SHA1

    3f0074cf8ded5ef492007b3381ae9c0ef42eb7be

    SHA256

    9425ac2ec74d9ac879b675ada25ffd49b4d5b72804eacea57ab31669719f7b1e

    SHA512

    455722030d9e08825c9d2b5a95514ad6fb177f46717bf0044d27abbcc4c7597166ce2d758903138e9925e9725fc9a1b716a1fc0d6b7515f24447047a16bb7b9b

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

    Filesize

    807KB

    MD5

    e98ad81cc146f795a90c08fb481514fb

    SHA1

    3f0074cf8ded5ef492007b3381ae9c0ef42eb7be

    SHA256

    9425ac2ec74d9ac879b675ada25ffd49b4d5b72804eacea57ab31669719f7b1e

    SHA512

    455722030d9e08825c9d2b5a95514ad6fb177f46717bf0044d27abbcc4c7597166ce2d758903138e9925e9725fc9a1b716a1fc0d6b7515f24447047a16bb7b9b

  • memory/1232-147-0x0000000000000000-mapping.dmp

  • memory/1864-144-0x0000000000000000-mapping.dmp

  • memory/1928-143-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1928-140-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1928-142-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1928-139-0x0000000000000000-mapping.dmp

  • memory/2468-132-0x0000000000430000-0x0000000000500000-memory.dmp

    Filesize

    832KB

  • memory/2468-136-0x0000000004F50000-0x0000000004F5A000-memory.dmp

    Filesize

    40KB

  • memory/2468-135-0x0000000004FD0000-0x000000000506C000-memory.dmp

    Filesize

    624KB

  • memory/2468-134-0x0000000004E90000-0x0000000004F22000-memory.dmp

    Filesize

    584KB

  • memory/2468-133-0x0000000005350000-0x00000000058F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3092-149-0x0000000000000000-mapping.dmp

  • memory/3092-153-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/3092-154-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/4304-137-0x0000000000000000-mapping.dmp