Analysis

  • max time kernel
    125s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    17/02/2022, 02:55

General

  • Target

    5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe

  • Size

    176KB

  • MD5

    d283699cdd5ce803b0bd649746077cbf

  • SHA1

    1395a2cfcdb1a0b4ce3da970362e143e1f51962d

  • SHA256

    5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5

  • SHA512

    69e2c7c318944db4cfe647646fa8116a06f73a3514dbf443d603dc55610c2d68c1cc7d3c5585557180a4b88406ec5b42c1501a5454b9f91b60d5a56abaab6f7f

Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Drops file in Windows directory 8 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe
    "C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe"
    1⤵
      PID:4592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 360
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2368
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4592 -ip 4592
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:1352
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4476
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3444

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/4476-131-0x00000220C5A20000-0x00000220C5A30000-memory.dmp

            Filesize

            64KB

          • memory/4476-130-0x00000220C5380000-0x00000220C5390000-memory.dmp

            Filesize

            64KB

          • memory/4476-132-0x00000220C8100000-0x00000220C8104000-memory.dmp

            Filesize

            16KB