Overview

overview

10

Static

static

4HwMTLRFvpnRf2a.exe

windows7_x64

3

4HwMTLRFvpnRf2a.exe

windows10_x64

10

Analysis

  • max time kernel
    123s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    04-05-2021 15:04

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General

  • Target

    4HwMTLRFvpnRf2a.exe

  • Size

    2.2MB

  • MD5

    ec835ba0c96c625b726e90871fa4408e

  • SHA1

    f4f79d8c5d99dd6435f72bcf9c1d90aab96e47ab

  • SHA256

    6a156918ff4ace56113e28bfc878aab413d3021fc89f0e6dad59744ac25874fe

  • SHA512

    eb40160fc4e8911920e8f0537c38d665eaa644b3d48159e8143b0e6cae076ca3c81aab59c28e3440c052280d5664798db37399e4855a5c82649f0a4c8fd1ee6b

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe
    "C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UXnYcxbuH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96D3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:780
    • C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe
      "C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe"
      2⤵
        PID:1472
      • C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe
        "C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe"
        2⤵
          PID:700
        • C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe
          "C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe"
          2⤵
            PID:1480
          • C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe
            "C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe"
            2⤵
              PID:1312
            • C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe
              "C:\Users\Admin\AppData\Local\Temp\4HwMTLRFvpnRf2a.exe"
              2⤵
                PID:1152

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Initial Access

            Execution

            Scheduled Task

            1
            T1053

            Persistence

            Scheduled Task

            1
            T1053

            Privilege Escalation

            Scheduled Task

            1
            T1053

            Defense Evasion

            Credential Access

            Discovery

            System Information Discovery

            1
            T1082

            Lateral Movement

            Collection

            Exfiltration

            Command and Control

            Impact

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp96D3.tmp
              MD5

              41a9bf8d52203f10b617ef62e4a582cc

              SHA1

              42d6bd2370aa813da0eb5fed5664de335e801e5b

              SHA256

              a61ddba7dfb71c62db282b6864d9452552ccf31e3116eed4d5dc886e6be40c88

              SHA512

              166333a5a902398d01e78b688e4e0c047c588b74ed7d6efca48dd8b9e789d6f2a0eb7264308422f6c0b12e0024eaa8180327f8b6821af00346ca35668f3b4b15

              Download Submit
            • memory/780-65-0x0000000000000000-mapping.dmp
              Download
            • memory/1040-59-0x00000000002C0000-0x00000000002C1000-memory.dmp
              Filesize

              4KB

              Download
            • memory/1040-61-0x0000000005030000-0x0000000005031000-memory.dmp
              Filesize

              4KB

              Download
            • memory/1040-62-0x00000000002B0000-0x00000000002BE000-memory.dmp
              Filesize

              56KB

              Download
            • memory/1040-63-0x0000000005170000-0x00000000051EC000-memory.dmp
              Filesize

              496KB

              Download
            • memory/1040-64-0x00000000049D0000-0x0000000004A0E000-memory.dmp
              Filesize

              248KB

              Download