Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    09-02-2024 03:54

General

  • Target

    Nv.exe

  • Size

    46KB

  • MD5

    09b8b54f78a10c435cd319070aa13c28

  • SHA1

    6474d0369f97e72e01e4971128d1062f5c2b3656

  • SHA256

    523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

  • SHA512

    c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

  • SSDEEP

    768:Ep+QDJgY/OTFStOWjmyPTc+6lye958TZLWMmSbC9X:Epj9IexPANL58TZaDaC9

Malware Config

Signatures

  • Detects PlugX payload 21 IoCs
  • PlugX

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

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Modifies data under HKEY_USERS 33 IoCs
  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of FindShellTrayWindow 29 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nv.exe
    "C:\Users\Admin\AppData\Local\Temp\Nv.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2264
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1844
  • C:\ProgramData\SxS\Nv.exe
    "C:\ProgramData\SxS\Nv.exe" 100 2264
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    PID:2552
  • C:\ProgramData\SxS\Nv.exe
    "C:\ProgramData\SxS\Nv.exe" 200 0
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe 201 0
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Windows\SysWOW64\msiexec.exe
        C:\Windows\system32\msiexec.exe 209 1244
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:3036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\SxS\Nv.exe

    Filesize

    46KB

    MD5

    09b8b54f78a10c435cd319070aa13c28

    SHA1

    6474d0369f97e72e01e4971128d1062f5c2b3656

    SHA256

    523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

    SHA512

    c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

  • C:\ProgramData\SxS\Nv.mp3

    Filesize

    120KB

    MD5

    5ef7c3bcbc11cd02c95e509b226eebe9

    SHA1

    794a90212d226628c8ce4441c3418c1ecca0e3b8

    SHA256

    3d64e638f961b922398e2efaf75504da007e41ea979f213f8eb4f83e00efeebb

    SHA512

    c86f464f736125d8fb499efe2555cae1aea5d67fbf15be816883e058ad9107eb399d3ade6c5afe811a2eb59ebdc1d52c992124359fa26085a650eb940fe2eae4

  • C:\ProgramData\SxS\NvSmartMax.dll

    Filesize

    20KB

    MD5

    0b21678ed8e2b117344cfceba8f097dd

    SHA1

    db53bb022cb6de016713f1570f2ae501f20f9c76

    SHA256

    eaaa7899b37a3b04dcd02ad6d51e83e035be535f129773621ef0f399a2a98ee3

    SHA512

    182268649b360f44f021570ddc9290f5051a8be556ffd66355bc325027ba48c5fe824e1bea925411bdaef4c17e0f3d81a1d3c710b59c4462540d567da625a41a

  • C:\ProgramData\SxS\bug.log

    Filesize

    580B

    MD5

    9230e75a18ecbce1fadb4ce5c1c2e3e8

    SHA1

    9980064864d643359d0b07c20de2654012457bc9

    SHA256

    0e2a70b42cf8cb93f65e8f27752aabd2d0658e0dd455162e491209a17be1cc93

    SHA512

    93929484f474ca87eb52eeaad8a9f804476c95a474bc6133d8bbc1ad8ede72cd270c075d38d83f32e0b21dbda1cf1434007b502ca9f68f45bd609efda4adff58

  • C:\ProgramData\SxS\bug.log

    Filesize

    742B

    MD5

    21c634af1bf3d773350db71d731ada18

    SHA1

    945e75591427b27e196e1f861d0bf2550a889cab

    SHA256

    c800f04dc36438405633b0d31e9436112ab91259257ab2dafde5972df32eb9cc

    SHA512

    62b6091be10c938af606e1221de9faad4769194ac133055079612b673e1ba119be8ea04069230dd8f06233519eb67da50fe9062e93bae111362c83c8ded33e70

  • memory/1244-51-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1244-53-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1244-81-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1244-66-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1244-28-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/1244-30-0x00000000000A0000-0x00000000000BD000-memory.dmp

    Filesize

    116KB

  • memory/1244-31-0x00000000000C0000-0x00000000000C2000-memory.dmp

    Filesize

    8KB

  • memory/1244-32-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/1244-33-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1244-36-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1244-58-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1244-59-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1244-50-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/1244-57-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1244-52-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1844-82-0x0000000004330000-0x0000000004331000-memory.dmp

    Filesize

    4KB

  • memory/1844-63-0x0000000004330000-0x0000000004331000-memory.dmp

    Filesize

    4KB

  • memory/1844-90-0x0000000002AA0000-0x0000000002AB0000-memory.dmp

    Filesize

    64KB

  • memory/2264-1-0x0000000000300000-0x0000000000330000-memory.dmp

    Filesize

    192KB

  • memory/2264-0-0x0000000001D00000-0x0000000001E00000-memory.dmp

    Filesize

    1024KB

  • memory/2264-47-0x0000000000300000-0x0000000000330000-memory.dmp

    Filesize

    192KB

  • memory/2552-21-0x0000000001C90000-0x0000000001CC0000-memory.dmp

    Filesize

    192KB

  • memory/2552-64-0x0000000001C90000-0x0000000001CC0000-memory.dmp

    Filesize

    192KB

  • memory/2552-22-0x0000000001C90000-0x0000000001CC0000-memory.dmp

    Filesize

    192KB

  • memory/3036-75-0x0000000000090000-0x0000000000091000-memory.dmp

    Filesize

    4KB

  • memory/3036-78-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB

  • memory/3036-79-0x0000000000420000-0x0000000000450000-memory.dmp

    Filesize

    192KB

  • memory/3036-80-0x0000000000420000-0x0000000000450000-memory.dmp

    Filesize

    192KB

  • memory/3036-77-0x0000000000420000-0x0000000000450000-memory.dmp

    Filesize

    192KB

  • memory/3036-83-0x0000000000420000-0x0000000000450000-memory.dmp

    Filesize

    192KB

  • memory/3064-26-0x0000000001C70000-0x0000000001CA0000-memory.dmp

    Filesize

    192KB

  • memory/3064-27-0x0000000001C70000-0x0000000001CA0000-memory.dmp

    Filesize

    192KB