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Analysis

  • max time kernel
    83s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2022, 04:24

General

  • Target

    b9e1b317be9dd5fd82fa746f90386c663b5681e1364b4a38ba531fdf5aefdf47.exe

  • Size

    344KB

  • MD5

    5e5c155a8fdf8d04882a15c9b8a60390

  • SHA1

    d4626e3249c89be8018d2d47b8e172209014aaa7

  • SHA256

    b9e1b317be9dd5fd82fa746f90386c663b5681e1364b4a38ba531fdf5aefdf47

  • SHA512

    6a2a2923cf7c9edfd0ccf6f525bc0e0d809b38f70c3d7518b66763eb279fe337033c2cae371ed81f3928103b68a1f03e4c9afcdace85e16fde7789820ec3a601

  • SSDEEP

    6144:gqCSaCaTDTXmNOzCpjjhjNAW/g1sIYstrH1dAVZru/rqzcIBe/rUc19n:TZ4TDDmNOzKnDAWo1s5MV6VIzqwr/gc7

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9e1b317be9dd5fd82fa746f90386c663b5681e1364b4a38ba531fdf5aefdf47.exe
    "C:\Users\Admin\AppData\Local\Temp\b9e1b317be9dd5fd82fa746f90386c663b5681e1364b4a38ba531fdf5aefdf47.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Users\Admin\AppData\Local\Temp\64DE853A0701BCB3.TMP
      "C:\Users\Admin\AppData\Local\Temp\64DE853A0701BCB3.TMP"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:4844
    • C:\Users\Admin\AppData\Local\Temp\b9e1b317be9dd5fd82fa746f90386c663b5681e1364b4a38ba531fdf5aefdf47.exe
      7777
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Adds Run key to start application
      • Drops file in System32 directory
      PID:4808
    • C:\Users\Admin\AppData\Local\Temp\b9e1b317be9dd5fd82fa746f90386c663b5681e1364b4a38ba531fdf5aefdf47.exe
      9999
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\64DE853A0701BCB3.TMP

    Filesize

    56KB

    MD5

    30589d17d5655ae16c45f384f2043981

    SHA1

    410f2ff03a3e9d2b372fab9656181c27dd47b116

    SHA256

    634edaa4e06f45612c3f53380bcfe018e208864490013fefb11f13fa0fca8439

    SHA512

    1d58c3f7458a4ba2fafd252935faaaaf01bf15937b927ba61de4d842413d7641846898456ebeef6f08e713cdb52db46501142b7ccc548a94a186faaa0ed054fa

  • C:\Users\Admin\AppData\Local\Temp\64DE853A0701BCB3.TMP

    Filesize

    56KB

    MD5

    30589d17d5655ae16c45f384f2043981

    SHA1

    410f2ff03a3e9d2b372fab9656181c27dd47b116

    SHA256

    634edaa4e06f45612c3f53380bcfe018e208864490013fefb11f13fa0fca8439

    SHA512

    1d58c3f7458a4ba2fafd252935faaaaf01bf15937b927ba61de4d842413d7641846898456ebeef6f08e713cdb52db46501142b7ccc548a94a186faaa0ed054fa

  • memory/1136-138-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/4808-137-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/4844-139-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/4900-140-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/4900-141-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB