Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 01:46

General

  • Target

    23482e59958481c676a8857dec371dda.exe

  • Size

    3.2MB

  • MD5

    23482e59958481c676a8857dec371dda

  • SHA1

    d2bd279b99a49d9be5aede5f0ddf411ea9b33992

  • SHA256

    0b516ad812deb18f61d39aff6d14e6f4583c74cff4f3c2a3f09152fc942f6912

  • SHA512

    4c9866389952ceb2f7627cdcbfeb75ff24cc2b270a62933411293943560b6ceab244760cf57662d683f9eab63da799d2352b8613d366dead41053ccea9399503

  • SSDEEP

    98304:dnlaXm7cakcejkIX+MylDCLCcakca94RFjs3CPtXcakcejkIX+MylDCLCcakcO:dsW7dlewo+v6CdlcaF1dlewo+v6CdlO

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Program crash 4 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23482e59958481c676a8857dec371dda.exe
    "C:\Users\Admin\AppData\Local\Temp\23482e59958481c676a8857dec371dda.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\23482e59958481c676a8857dec371dda.exe
      C:\Users\Admin\AppData\Local\Temp\23482e59958481c676a8857dec371dda.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 604
        3⤵
        • Program crash
        PID:2040
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\7fVRMzT.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3992
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\23482e59958481c676a8857dec371dda.exe" /TN 1WOV8tOcae1c /F
        3⤵
        • Creates scheduled task(s)
        PID:4108
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 648
        3⤵
        • Program crash
        PID:2284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 716
        3⤵
        • Program crash
        PID:3236
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 652
        3⤵
        • Program crash
        PID:1776
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN 1WOV8tOcae1c
    1⤵
      PID:5032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2616 -ip 2616
      1⤵
        PID:4508
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2616 -ip 2616
        1⤵
          PID:3960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2616 -ip 2616
          1⤵
            PID:4932
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2616 -ip 2616
            1⤵
              PID:208

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\23482e59958481c676a8857dec371dda.exe

              Filesize

              894KB

              MD5

              567f2765dae2c26714e40a67a2bd377e

              SHA1

              4940d6cf67bbe5cf117407f3cbefae2ee084f356

              SHA256

              2d11c72a0cdc53d988d3d39a43b0295551254fd532d65e56e85a68e89be4bfe6

              SHA512

              aeb7df00cb40741415067484c57e9f4e21277302c6cd0a1c1668a183539d9e99c894735a3fe4ec0ab110b93d322dec3433141ff30c99ea85b8b36eecff0e9b2a

            • memory/1360-0-0x0000000000400000-0x000000000065C000-memory.dmp

              Filesize

              2.4MB

            • memory/1360-1-0x0000000000400000-0x000000000046B000-memory.dmp

              Filesize

              428KB

            • memory/1360-7-0x0000000001720000-0x000000000179E000-memory.dmp

              Filesize

              504KB

            • memory/1360-14-0x0000000000400000-0x000000000046B000-memory.dmp

              Filesize

              428KB

            • memory/2616-16-0x0000000025010000-0x000000002508E000-memory.dmp

              Filesize

              504KB

            • memory/2616-24-0x0000000000470000-0x00000000004DB000-memory.dmp

              Filesize

              428KB

            • memory/2616-23-0x0000000000400000-0x000000000045B000-memory.dmp

              Filesize

              364KB

            • memory/2616-19-0x0000000000400000-0x000000000065C000-memory.dmp

              Filesize

              2.4MB

            • memory/2616-42-0x0000000000400000-0x000000000065C000-memory.dmp

              Filesize

              2.4MB