Overview

overview

10

Static

static

10

Server.exe

windows7_x64

8

Server.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-06-2022 13:55

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General

  • Target

    Server.exe

  • Size

    37KB

  • MD5

    f09a20fdffb51a09759ef49bad16573e

  • SHA1

    a435202e700dadf18f2055697f01e4c13287f724

  • SHA256

    107435bf08485e16d781f4bb0e012cc23a3b1573ea508212d9c0ae21d5e2537e

  • SHA512

    1c0f8480d6d9fd27eebf2ac8c60befe9fafadff466f9d17bfb268a3fcf652ffb89aacb0077e300be1562cd5046155745c499945c3da80c1b7f5e0bf88cc23ae8

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2356

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2356-131-0x0000000000000000-mapping.dmp
    Download
  • memory/2684-130-0x00000000752D0000-0x0000000075881000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2684-132-0x00000000752D0000-0x0000000075881000-memory.dmp
    Filesize

    5.7MB

    Download