Analysis

  • max time kernel
    118s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 20:27

General

  • Target

    838c81f012a9388d786a10bfa3657110N.exe

  • Size

    237KB

  • MD5

    838c81f012a9388d786a10bfa3657110

  • SHA1

    858a05a95fbb188747161818357f439f5a27fa88

  • SHA256

    565c1d57fb729e5c3cc8bf368706d1fcf9ac90c7365fa5e198a67904e9e3a589

  • SHA512

    33f00f013a18da31ebb0fad32a637f6d906543789b03b3a148de3d8071e47f8f4defbbda9fc0b3c14ed7afa8a3915385e78e84e145998c9d71ae170c9b83780b

  • SSDEEP

    6144:/A2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:/ATuTAnKGwUAWVycQqgj

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2468
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      PID:3464
      • C:\Users\Admin\AppData\Local\Temp\838c81f012a9388d786a10bfa3657110N.exe
        "C:\Users\Admin\AppData\Local\Temp\838c81f012a9388d786a10bfa3657110N.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:916
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:5044
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 316
            4⤵
            • Program crash
            PID:3508
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 932
          3⤵
          • Program crash
          PID:2312
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
      1⤵
      • Modifies data under HKEY_USERS
      PID:1388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5044 -ip 5044
      1⤵
        PID:3140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 916 -ip 916
        1⤵
          PID:4532

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/916-8-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/916-2-0x00000000025A0000-0x00000000025A1000-memory.dmp

          Filesize

          4KB

        • memory/916-3-0x0000000004640000-0x0000000004C98000-memory.dmp

          Filesize

          6.3MB

        • memory/916-4-0x00000000025A0000-0x00000000025A1000-memory.dmp

          Filesize

          4KB

        • memory/916-1-0x0000000004640000-0x0000000004C98000-memory.dmp

          Filesize

          6.3MB

        • memory/916-11-0x0000000005750000-0x0000000006150000-memory.dmp

          Filesize

          10.0MB

        • memory/916-16-0x0000000005750000-0x0000000006150000-memory.dmp

          Filesize

          10.0MB

        • memory/916-20-0x0000000004640000-0x0000000004C98000-memory.dmp

          Filesize

          6.3MB

        • memory/2468-15-0x0000000000E80000-0x0000000000E86000-memory.dmp

          Filesize

          24KB

        • memory/2468-21-0x0000000000E80000-0x0000000000E86000-memory.dmp

          Filesize

          24KB

        • memory/3464-7-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

          Filesize

          24KB

        • memory/3464-6-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

          Filesize

          24KB

        • memory/3464-12-0x00000000028E0000-0x00000000028E6000-memory.dmp

          Filesize

          24KB