Analysis

  • max time kernel
    135s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 01:57

General

  • Target
    ae378e9945904bf8b4c090d697fe2395a511ed2a36176ddfb7530f22dfc32ac8.exe
  • Size 145KB
  • Sample240525-cdnm7aaf41
  • SHA256 ae378e9945904bf8b4c090d697fe2395a511ed2a36176ddfb7530f22dfc32ac8
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae378e9945904bf8b4c090d697fe2395a511ed2a36176ddfb7530f22dfc32ac8.exe
    "C:\Users\Admin\AppData\Local\Temp\ae378e9945904bf8b4c090d697fe2395a511ed2a36176ddfb7530f22dfc32ac8.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\ProgramData\9EE0.tmp
      "C:\ProgramData\9EE0.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\9EE0.tmp >> NUL
        3⤵
          PID:5748

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          desktop.ini

          • Path C:\$Recycle.Bin\S-1-5-21-711569230-3659488422-571408806-1000\desktop.ini
          • Size 129B
          • SHA256 4041b62e91e1cc61d136af393b3187508ee31396790271e78a58ec648078fef1
          • MD5 SHA1 SHA512

          9yqsodVzM.README.txt

          • Path C:\9yqsodVzM.README.txt
          • Size 194B
          • SHA256 bc0bb3921720c1b8aacbaa1e0a4b0bb9403cb491fa0e35dacccddae550be827b
          • MD5 SHA1 SHA512

          9EE0.tmp

          • Path C:\ProgramData\9EE0.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP

          DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

          • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
          • Size 145KB
          • SHA256 7ee587db71a749771390b9a947a0d7b05d9383714ac77a326423249fd5c1cc56
          • MD5 SHA1 SHA512 SSDEEP

          DDDDDDDDDDD

          • Path F:\$RECYCLE.BIN\S-1-5-21-711569230-3659488422-571408806-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 c50563e96cf811b88826525f988902059539d5106014c2b68c71b7b03fe0f8b5
          • MD5 SHA1 SHA512

          memory/2000-110-0x0000000000401000-0x0000000000404000-memory.dmp

          memory/2000-111-0x0000000000400000-0x0000000000407000-memory.dmp

          memory/4956-0-0x0000000002760000-0x0000000002770000-memory.dmp

          memory/4956-2-0x0000000002760000-0x0000000002770000-memory.dmp

          memory/4956-1-0x0000000002760000-0x0000000002770000-memory.dmp