Analysis

  • max time kernel
    147s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-03-2024 00:10

General

  • Target

    RTP100/Setup.exe

  • Size

    571KB

  • MD5

    f3a1050bac829eebf38a553db08c02e1

  • SHA1

    8a6a2a4e825b1b9de88791c03d7404e181fb0241

  • SHA256

    3b178f718655dab3c444857b5e6fd755dc611de72dc229de486b3e06d8548fd2

  • SHA512

    9e52b8e46192f72eb06971ee06bad397304db7714df4fd0b8397e2bd9d23c1aacdb10667ec1dfeb3b03b600875656f2a60e3b8582ccb6e86aefcae4a38a895f7

  • SSDEEP

    12288:Z3Mjhv8888888888888W88888888888H09+kjn3bVNyRvh6QoqJh5+B+98LApiag:dMjhQ09+miWQpJh5n98LAoa58h5j

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RTP100\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\RTP100\Setup.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Users\Admin\AppData\Local\Temp\is-ACFBT.tmp\Setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ACFBT.tmp\Setup.tmp" /SL5="$40150,140800,0,C:\Users\Admin\AppData\Local\Temp\RTP100\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      PID:2912
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1712
  • C:\Program Files\Windows Defender\MSASCui.exe
    "C:\Program Files\Windows Defender\MSASCui.exe"
    1⤵
      PID:2740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\is-ACFBT.tmp\Setup.tmp

      Filesize

      728KB

      MD5

      c0ca038078c7935ba005b25f745aa894

      SHA1

      a1ab41b3894eb7ed3adbbee70310ded78bcb6931

      SHA256

      c5cbb03d06cb0632b154a28c654eb1917f9bce863cf980720241d1117a285f91

      SHA512

      3d801d74b3eb088be696e52c22e5d664aeb3d22ffb4f83a38aed4de91e968e38b881e4ef5847efe58a82d88b988aa4d9a18f6d2f683a920600962e921cfb3f3c

    • C:\Users\Admin\AppData\Local\Temp\is-ACFBT.tmp\Setup.tmp

      Filesize

      1.1MB

      MD5

      394289faec0a43faea574588cb367018

      SHA1

      b02982a816782c3c16ad5a321dce0a79cab124a2

      SHA256

      89c8d27247ff86f189ebba01e27c47daa184a04c5f002130f9d336ca80d71202

      SHA512

      e99977ed9b3ea6607d347fe3e339cff40e70166db6a93443046cb7e0bc2a6f7c598503a55030f7d9ae0e8ede8b706bb4bd682bbdadf215641247b96bae0d09f4

    • \Users\Admin\AppData\Local\Temp\is-PD725.tmp\_isetup\_shfoldr.dll

      Filesize

      22KB

      MD5

      92dc6ef532fbb4a5c3201469a5b5eb63

      SHA1

      3e89ff837147c16b4e41c30d6c796374e0b8e62c

      SHA256

      9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

      SHA512

      9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

    • memory/1712-1588-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/1712-1589-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/1712-1590-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/2740-1591-0x00000000001B0000-0x00000000001B1000-memory.dmp

      Filesize

      4KB

    • memory/2852-2-0x0000000000400000-0x000000000042D000-memory.dmp

      Filesize

      180KB

    • memory/2852-92-0x0000000000400000-0x000000000042D000-memory.dmp

      Filesize

      180KB

    • memory/2852-1587-0x0000000000400000-0x000000000042D000-memory.dmp

      Filesize

      180KB

    • memory/2852-0-0x0000000000400000-0x000000000042D000-memory.dmp

      Filesize

      180KB

    • memory/2912-8-0x0000000000240000-0x0000000000241000-memory.dmp

      Filesize

      4KB

    • memory/2912-93-0x0000000000400000-0x0000000000526000-memory.dmp

      Filesize

      1.1MB

    • memory/2912-1582-0x0000000000400000-0x0000000000526000-memory.dmp

      Filesize

      1.1MB

    • memory/2912-1583-0x0000000000240000-0x0000000000241000-memory.dmp

      Filesize

      4KB

    • memory/2912-1586-0x0000000000400000-0x0000000000526000-memory.dmp

      Filesize

      1.1MB