Analysis

  • max time kernel
    115s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 13:26

General

  • Target

    8a73d26dc3f22b5c46533ed612c7b990N.exe

  • Size

    237KB

  • MD5

    8a73d26dc3f22b5c46533ed612c7b990

  • SHA1

    811c2f0666e087cc92cedf8e1f058298a0503175

  • SHA256

    39e9cb7ea3d74938d9f1daeb24e3540e07e906bdf1280d57020e6401df6cc1b4

  • SHA512

    8d0cdca73c45c80ce852b088475ed7b01aa823a9d3116a325f732c1e52f333dade9523c41364ef9c94b4592758f1b1d9af0ae364eb55434bbbb9eaba3b53d2b8

  • SSDEEP

    6144:5A2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:5ATuTAnKGwUAWVycQqgj

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:2644
    • 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\8a73d26dc3f22b5c46533ed612c7b990N.exe
        "C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:3200
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 300
            4⤵
            • Program crash
            PID:4760
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 864
          3⤵
          • Program crash
          PID:2952
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
      1⤵
      • Modifies data under HKEY_USERS
      PID:3272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3200 -ip 3200
      1⤵
        PID:2300
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2036 -ip 2036
        1⤵
          PID:4400

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2036-16-0x0000000005750000-0x0000000006150000-memory.dmp

          Filesize

          10.0MB

        • memory/2036-5-0x0000000003C90000-0x0000000003C91000-memory.dmp

          Filesize

          4KB

        • memory/2036-24-0x0000000004640000-0x0000000004C98000-memory.dmp

          Filesize

          6.3MB

        • memory/2036-4-0x0000000003C90000-0x0000000003C91000-memory.dmp

          Filesize

          4KB

        • memory/2036-20-0x0000000005750000-0x0000000006150000-memory.dmp

          Filesize

          10.0MB

        • memory/2036-6-0x0000000003C90000-0x0000000003C91000-memory.dmp

          Filesize

          4KB

        • memory/2036-7-0x0000000003C90000-0x0000000003C91000-memory.dmp

          Filesize

          4KB

        • memory/2036-12-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2036-3-0x0000000004640000-0x0000000004C98000-memory.dmp

          Filesize

          6.3MB

        • memory/2036-2-0x0000000003C90000-0x0000000003C91000-memory.dmp

          Filesize

          4KB

        • memory/2036-8-0x0000000003C90000-0x0000000003C91000-memory.dmp

          Filesize

          4KB

        • memory/2036-1-0x0000000004640000-0x0000000004C98000-memory.dmp

          Filesize

          6.3MB

        • memory/2644-19-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

          Filesize

          24KB

        • memory/2644-25-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

          Filesize

          24KB

        • memory/3464-17-0x0000000001170000-0x0000000001176000-memory.dmp

          Filesize

          24KB

        • memory/3464-11-0x0000000001100000-0x0000000001106000-memory.dmp

          Filesize

          24KB

        • memory/3464-10-0x0000000001100000-0x0000000001106000-memory.dmp

          Filesize

          24KB