Analysis

  • max time kernel
    118s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    17/02/2022, 00:17

General

  • Target

    7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf.exe

  • Size

    124KB

  • MD5

    06027e7bb1873083f4bc356d86584e56

  • SHA1

    e5029247e7beb0b16a64aa69238dc2370f2bd8d9

  • SHA256

    7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf

  • SHA512

    bf8e3a2493d67af94ae5428b05244d253693f8cfd3a058e742e476e22f53ee58a539c0bda769322cf3be9ad7b3e8c0d8dee26f49f10cf8d79905f31ff6f5ef49

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\7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf.exe
    "C:\Users\Admin\AppData\Local\Temp\7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf.exe"
    1⤵
      PID:4560
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 348
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4560 -ip 4560
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:4716
    • 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:1568
    • 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:4312

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1568-130-0x000001DA20F60000-0x000001DA20F70000-memory.dmp

            Filesize

            64KB

          • memory/1568-131-0x000001DA21520000-0x000001DA21530000-memory.dmp

            Filesize

            64KB

          • memory/1568-132-0x000001DA23BA0000-0x000001DA23BA4000-memory.dmp

            Filesize

            16KB