Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 16:49

General

  • Target

    4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe

  • Size

    263KB

  • MD5

    582fb65add01ce95d827b96006a3ff42

  • SHA1

    d8931a791f8ef3d4015aec2bffa47808e28877b5

  • SHA256

    4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01

  • SHA512

    6e2194abfba98c6723040b9d4e801a8d4e75cc8449d408638fa80edfa11865cad9d01b768c21919ed863f3e7f97d258930ccbbf6acbc0e65c730ead79f5c7141

  • SSDEEP

    6144:iz+92mhAMJ/cPl3i+eLba0WZj+ufaZef6IMLWKH1cLb1UyOr0Sg3:iK2mhAMJ/cPlQIFXfaZefAyb1FOB2

Score
10/10

Malware Config

Signatures

  • Detects PlugX payload 18 IoCs
  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

  • Plugx family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 33 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe
    "C:\Users\Admin\AppData\Local\Temp\4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Nv.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Nv.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2940
  • C:\ProgramData\SxS\Nv.exe
    "C:\ProgramData\SxS\Nv.exe" 100 2940
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2904
  • C:\ProgramData\SxS\Nv.exe
    "C:\ProgramData\SxS\Nv.exe" 200 0
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe 201 0
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Windows\SysWOW64\msiexec.exe
        C:\Windows\system32\msiexec.exe 209 2684
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\SxS\bug.log

    Filesize

    622B

    MD5

    553828a8a7ad2c333d55a5d0de546349

    SHA1

    4a8f4292fae7368e11991f2b12bf069190931f93

    SHA256

    f37643101e044afb622c876c7bd4d0d7d44d270daef5cbf29081155d8227142b

    SHA512

    0a05675e504a80fadae3ec5c0999650db7ba4a666ae853a3b9abc50b539ff45b0f0ba973a7fedc91f73c8a6380ba8b46f547ccb7d6bb614d74fbb1ad928f8fbb

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Nv.mp3

    Filesize

    120KB

    MD5

    e1e6d954482a108020c8e471bd0790e4

    SHA1

    138def3945437e9d81902f00b1119795140ae8bf

    SHA256

    9f5663bdcd5217b16597a53c763359c63d867202df572f23493d54a1c082c954

    SHA512

    7573eba59791c978c45e5af1abd70c3a7d454e6fe1de9962f737679e8ddf5e9694d548bb8f0bbc4ffc236921a984f97bc1d11b0b0f239b25bb4253f88e2862e5

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\NvSmartMax.dll

    Filesize

    41KB

    MD5

    92b5a067fc1866b933eade6ebd4e1564

    SHA1

    91c38bb2d1993dde1068550e42580c4d2993a5c1

    SHA256

    632341931e3fe5eb85693c088bc3aaefffe9e5a64131af8fd214e66b247079c6

    SHA512

    3f7e2a85db7503196ceb84605758caef87162d8935be0c909afcd45b388605ca85c76e9b134b08e158f8cfaf23b65d27969fa907ba7aeeecc988ac94cb0bb691

  • \Users\Admin\AppData\Local\Temp\RarSFX0\Nv.exe

    Filesize

    46KB

    MD5

    09b8b54f78a10c435cd319070aa13c28

    SHA1

    6474d0369f97e72e01e4971128d1062f5c2b3656

    SHA256

    523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

    SHA512

    c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

  • memory/1560-92-0x0000000000070000-0x0000000000071000-memory.dmp

    Filesize

    4KB

  • memory/1560-93-0x0000000000250000-0x0000000000280000-memory.dmp

    Filesize

    192KB

  • memory/1560-94-0x0000000000250000-0x0000000000280000-memory.dmp

    Filesize

    192KB

  • memory/1560-91-0x0000000000250000-0x0000000000280000-memory.dmp

    Filesize

    192KB

  • memory/2620-58-0x00000000002A0000-0x00000000002D0000-memory.dmp

    Filesize

    192KB

  • memory/2620-51-0x00000000002A0000-0x00000000002D0000-memory.dmp

    Filesize

    192KB

  • memory/2684-74-0x00000000001B0000-0x00000000001E0000-memory.dmp

    Filesize

    192KB

  • memory/2684-57-0x00000000001B0000-0x00000000001E0000-memory.dmp

    Filesize

    192KB

  • memory/2684-76-0x00000000001B0000-0x00000000001E0000-memory.dmp

    Filesize

    192KB

  • memory/2684-75-0x00000000001B0000-0x00000000001E0000-memory.dmp

    Filesize

    192KB

  • memory/2684-52-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2684-80-0x00000000001B0000-0x00000000001E0000-memory.dmp

    Filesize

    192KB

  • memory/2684-55-0x00000000000F0000-0x000000000010D000-memory.dmp

    Filesize

    116KB

  • memory/2684-73-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/2684-62-0x00000000001B0000-0x00000000001E0000-memory.dmp

    Filesize

    192KB

  • memory/2684-98-0x00000000001B0000-0x00000000001E0000-memory.dmp

    Filesize

    192KB

  • memory/2684-81-0x00000000001B0000-0x00000000001E0000-memory.dmp

    Filesize

    192KB

  • memory/2684-95-0x00000000001B0000-0x00000000001E0000-memory.dmp

    Filesize

    192KB

  • memory/2684-56-0x00000000000A0000-0x00000000000A2000-memory.dmp

    Filesize

    8KB

  • memory/2904-47-0x0000000000440000-0x0000000000470000-memory.dmp

    Filesize

    192KB

  • memory/2904-85-0x0000000000440000-0x0000000000470000-memory.dmp

    Filesize

    192KB

  • memory/2940-26-0x00000000002A0000-0x00000000002D0000-memory.dmp

    Filesize

    192KB

  • memory/2940-25-0x0000000001D70000-0x0000000001E70000-memory.dmp

    Filesize

    1024KB

  • memory/2940-61-0x00000000002A0000-0x00000000002D0000-memory.dmp

    Filesize

    192KB