Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 19:03

General

  • Target

    ValhallaDSP_KeyGen.exe

  • Size

    559KB

  • MD5

    a4352482c6c31a8722e7a04b83a5cf49

  • SHA1

    b9a4ece533737ffcc0e226f990511748b75af814

  • SHA256

    649453c43b998ed2c23c87a950e6d4524cc435f995f6352676b09e043e381d5a

  • SHA512

    740e7db44137dfda82c082969784fc6b16f7e5ceead61b6ef0ca923e5812077329282a78ad882eadccba0aa0be9778b224957da48eb4148d887d9476ed1d0b24

  • SSDEEP

    12288:XYkc9t2Sll/UA8w4vQuo+KF76OyD/kyS2uB:XYkcL51oQd+KF4/BpK

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ValhallaDSP_KeyGen.exe
    "C:\Users\Admin\AppData\Local\Temp\ValhallaDSP_KeyGen.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Users\Admin\AppData\Local\Temp\keygen.exe
      C:\Users\Admin\AppData\Local\Temp\keygen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3808
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x328 0x2f4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3624
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\BASSMOD.DLL

      Filesize

      33KB

      MD5

      e4ec57e8508c5c4040383ebe6d367928

      SHA1

      b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06

      SHA256

      8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f

      SHA512

      77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822

    • C:\Users\Admin\AppData\Local\Temp\R2RJUCE.dll

      Filesize

      242KB

      MD5

      90a452c84f7f2b5ca5a61bccaaa17e92

      SHA1

      3fb5829be5db5af55ee4043f0dce7f9253d800dd

      SHA256

      674a6eafb277261cd6959a4145329ab8b612fe5948fc8daf064192498fa65f92

      SHA512

      41304120d3b2d0489fa82c13abce47fca967c6415e28c05382c0c567a167ff400f7d58b843afdfcc33227d4caa8fbb32af38fa7175fd066631fe1bb82615975b

    • C:\Users\Admin\AppData\Local\Temp\bgm.mod

      Filesize

      52KB

      MD5

      d6beadc81bc8481c95996e6333735bbe

      SHA1

      cae63073b1a77fdd6f101d4b44a3d0c8578829b2

      SHA256

      014ff2aea33267ae4bb89274b5b6dc48bf22caf051dcc882c339a8c0da705e23

      SHA512

      139a9ece9a2f7b1ac2fa530be205f545a60c67df1343cba1024ad7b1eb27c39ae84287598be43ba1414eace77814a1359f01361940b5650fcab4e2bd280a4d19

    • C:\Users\Admin\AppData\Local\Temp\keygen.exe

      Filesize

      733KB

      MD5

      b42891de36d265662c5ae7bef4432958

      SHA1

      760f557163dd295fb9f51dc3c6304debabe1fc3f

      SHA256

      0586b5996c1ecd29d05c3f159f2a74857bc1dcab40552a2495cca936d1349c39

      SHA512

      43bb4a637465e34544aa5c9b25f236daaa44285b3c8936a4b2e477ec4efc41a30e2a4b1735a0c36006f945b1c1f60e0426c228bee94176115e0c5361bff8b078

    • memory/3808-20-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-23-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-11-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-17-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-18-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-19-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-7-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3808-21-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-22-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-14-0x0000000000A10000-0x0000000000A50000-memory.dmp

      Filesize

      256KB

    • memory/3808-24-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-25-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-26-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-27-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-28-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-29-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3808-30-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB