Overview

overview

10

Static

static

8

7bad3bfde2...63.exe

windows7-x64

10

7bad3bfde2...63.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    6s
  • max time network
    6s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2022 08:40

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General

  • Target

    7bad3bfde268d71c7dfd13c6d62dc607427912e4106cb4247ef26f4c822fab63.exe

  • Size

    35KB

  • MD5

    e90699a13fec55e39e444b3f5dfa98ce

  • SHA1

    76283d6c1eea982096fa168b138772094c812474

  • SHA256

    7bad3bfde268d71c7dfd13c6d62dc607427912e4106cb4247ef26f4c822fab63

  • SHA512

    7b721c6b001c9b0c23e86e3f3a53b13cc08985f09b579e7230af695f71feb1f7b6cb348456b24cb102296da84584a8472c39417fc3275566af016ae656e2ed01

  • SSDEEP

    768:18kq7NCuaw+84Q4h99vP8jqgbMidbhvJU9nbcuyD7UI:18kq1aww5EjIidbhhU9nouy8

Score
10/10
netwalkerransomwareupx

Malware Config

Signatures

  • Detected Netwalker Ransomware 2 IoCs

    Detected unpacked Netwalker executable.

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

    ransomwarenetwalker
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Program Files directory 4 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bad3bfde268d71c7dfd13c6d62dc607427912e4106cb4247ef26f4c822fab63.exe
    "C:\Users\Admin\AppData\Local\Temp\7bad3bfde268d71c7dfd13c6d62dc607427912e4106cb4247ef26f4c822fab63.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:684
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:3324

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    File Deletion

    2
    T1107

    Credential Access

    Discovery

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Inhibit System Recovery

    2
    T1490

    Replay Monitor

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    Downloads

    • memory/684-133-0x0000000000000000-mapping.dmp
      Download
    • memory/4912-132-0x0000000000CD0000-0x0000000000CE9000-memory.dmp
      Filesize

      100KB

      Download
    • memory/4912-134-0x0000000000CD0000-0x0000000000CE9000-memory.dmp
      Filesize

      100KB

      Download