Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-02-2023 01:21

General

  • Target

    MEMZ-Clean.bat

  • Size

    9KB

  • MD5

    bbae81b88416d8fba76dd3145a831d19

  • SHA1

    42fa0e1b90ad49f66d4ab96c8cca02f81248da8b

  • SHA256

    5c3fde60c178ed0306dd3e396032acdc9bc55c690e27a926923dd18238bbd64c

  • SHA512

    f03ac63bbb504cb53dc896c2bec8666257034b1c4a5827a4ad75c434af05f1cd631a814cc8689e60210e4ca757e61390db8d222f05bf9f3a0fa7026bdf8c4368

  • SSDEEP

    192:XBOTDzoOgdlf7MAdTyQuHq2b1vXei2SLca5icrLJlz3:ss/tDyQuHZddL5Jlz3

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MEMZ-Clean.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\system32\cscript.exe
      cscript x.js
      2⤵
        PID:4860
      • C:\Users\Admin\AppData\Roaming\MEMZ.exe
        "C:\Users\Admin\AppData\Roaming\MEMZ.exe"
        2⤵
        • Executes dropped EXE
        PID:2464
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x3fc
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5104

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\x
      Filesize

      8KB

      MD5

      5ce1a2162bf5e16485f5e263b3cc5cf5

      SHA1

      e9ec3e06bef08fcf29be35c6a4b2217a8328133c

      SHA256

      0557ea4c5e309b16458ca32ac617b76d1a55f5f0103e368d05c0f0386b7a0a43

      SHA512

      ceb5e270bdbcab5be645e50705e3111a5c4751a7a865580d53fa86580025201264a49dd0ea9135b10cff28d7bb21b767ac5d4aff40e880a866ab35df273b5de1

    • C:\Users\Admin\AppData\Local\Temp\x.js
      Filesize

      448B

      MD5

      8eec8704d2a7bc80b95b7460c06f4854

      SHA1

      1b34585c1fa7ec0bd0505478ac9dbb8b8d19f326

      SHA256

      aa01b8864b43e92077a106ed3d4656a511f3ba1910fba40c78a32ee6a621d596

      SHA512

      e274b92810e9a30627a65f87448d784967a2fcfbf49858cbe6ccb841f09e0f53fde253ecc1ea0c7de491d8cc56a6cf8c79d1b7c657e72928cfb0479d11035210

    • C:\Users\Admin\AppData\Local\Temp\z.zip
      Filesize

      5KB

      MD5

      d2ea024b943caa1361833885b832d20b

      SHA1

      1e17c27a3260862645bdaff5cf82c44172d4df9a

      SHA256

      39df3364a3af6f7d360aa7e1345e27befc4be960e0e7e7e060b20f3389b80e76

      SHA512

      7b7cfb5e689feed6a52eedf36b89a7b5cc411191571c0af5e5d704b5f24bfa04afa62d1daab159a7e5702d80e56f3946bf32db0551d256419ca12cd3c57dcecb

    • C:\Users\Admin\AppData\Roaming\MEMZ.exe
      Filesize

      12KB

      MD5

      9c642c5b111ee85a6bccffc7af896a51

      SHA1

      eca8571b994fd40e2018f48c214fab6472a98bab

      SHA256

      4bbf7589615ebdb6c769d6d2e7bdcb26072bac0cda6e225a4133ba8819e688d5

      SHA512

      23cc74b5a7bdf70ba789d1730a0009414cfb9c780544e3d8d841be58782b9a9a089969c4295a0da25d07285505992386486d6ff0524e75605b96bb99cd3aaa1c

    • C:\Users\Admin\AppData\Roaming\MEMZ.exe
      Filesize

      12KB

      MD5

      9c642c5b111ee85a6bccffc7af896a51

      SHA1

      eca8571b994fd40e2018f48c214fab6472a98bab

      SHA256

      4bbf7589615ebdb6c769d6d2e7bdcb26072bac0cda6e225a4133ba8819e688d5

      SHA512

      23cc74b5a7bdf70ba789d1730a0009414cfb9c780544e3d8d841be58782b9a9a089969c4295a0da25d07285505992386486d6ff0524e75605b96bb99cd3aaa1c

    • memory/2464-124-0x0000000000000000-mapping.dmp
    • memory/2464-126-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-127-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-128-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-129-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-130-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-131-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-134-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-135-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-136-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-132-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-137-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-138-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-139-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-140-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-141-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-142-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-143-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-144-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-145-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-146-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-147-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-148-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-149-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-150-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-151-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-152-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-153-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-155-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-154-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-156-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-157-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-158-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-159-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-160-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-161-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-162-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-163-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-164-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-165-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-167-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-168-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-166-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-169-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-170-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-171-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-172-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-173-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-174-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-175-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-176-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-177-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-178-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-179-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-180-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-181-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-182-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-183-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2464-184-0x0000000077530000-0x00000000776BE000-memory.dmp
      Filesize

      1.6MB

    • memory/4860-120-0x0000000000000000-mapping.dmp