Analysis

  • max time kernel
    108s
  • max time network
    112s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2022 12:34

General

  • Target

    a545418278552272088bed5bf35de454921197600a7ae93e21d1ceb5773d8cdb.exe

  • Size

    972KB

  • MD5

    ba8b159444a741323d99faae8a2ca6c4

  • SHA1

    69c71968e3c9211dd2fd57fd3d20cf3abcc27b6f

  • SHA256

    a545418278552272088bed5bf35de454921197600a7ae93e21d1ceb5773d8cdb

  • SHA512

    0c300b33aed1654d7467fdc7eda60dccf18e9eff5f8220947a874a06a8d8d1d1c0dd1b9a9ca91e2814546cc3a49fc651ea40fec84e8da8ee1ffa71d4cba524b0

  • SSDEEP

    12288:74sW6mALpJFD/+/DtfpcBs0NOJLM2WIhbKzv1YXqjJ5nsLQFIBXbwBzvW/jcuNue:74r6jLD/MhRiNOJdWV1YajrsLaw

Malware Config

Extracted

Family

netwire

C2

194.5.98.194:3384

194.5.98.194:3387

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    goodnews1234

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 9 IoCs
  • Netwire

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

  • Suspicious use of SetThreadContext 1 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a545418278552272088bed5bf35de454921197600a7ae93e21d1ceb5773d8cdb.exe
    "C:\Users\Admin\AppData\Local\Temp\a545418278552272088bed5bf35de454921197600a7ae93e21d1ceb5773d8cdb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zJdSgrsru" /XML "C:\Users\Admin\AppData\Local\Temp\tmp780E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1336
    • C:\Users\Admin\AppData\Local\Temp\a545418278552272088bed5bf35de454921197600a7ae93e21d1ceb5773d8cdb.exe
      "{path}"
      2⤵
        PID:1156

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp780E.tmp

      Filesize

      1KB

      MD5

      4d57bd1328767264cd6484e72eef2420

      SHA1

      e96272adca67d6eb961e55139db8f5ca8ea24162

      SHA256

      6887549845f41971c445454cd9d7ab658d6770819d6f1f33fde057e34e4c64e3

      SHA512

      88514600a84f4250a00c8c89a8b87cbd610c4c06928fea33941c5b2a0058b257d8bf19ec8a5ec4dcd7fde01676d6dbb7d7583db550587edad3140b747d03e20e

    • memory/1156-73-0x000000000040242D-mapping.dmp

    • memory/1156-69-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-63-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-78-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-65-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-76-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-72-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-67-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-79-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-71-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-62-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1156-68-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1336-60-0x0000000000000000-mapping.dmp

    • memory/1956-77-0x0000000000A95000-0x0000000000AA6000-memory.dmp

      Filesize

      68KB

    • memory/1956-54-0x0000000000D60000-0x0000000000E58000-memory.dmp

      Filesize

      992KB

    • memory/1956-55-0x0000000075141000-0x0000000075143000-memory.dmp

      Filesize

      8KB

    • memory/1956-56-0x00000000009B0000-0x00000000009D0000-memory.dmp

      Filesize

      128KB

    • memory/1956-59-0x0000000004380000-0x00000000043AE000-memory.dmp

      Filesize

      184KB

    • memory/1956-58-0x00000000044C0000-0x000000000453E000-memory.dmp

      Filesize

      504KB

    • memory/1956-57-0x0000000000A95000-0x0000000000AA6000-memory.dmp

      Filesize

      68KB