Overview

overview

10

Static

static

10

7z.exe

windows7-x64

8

7z.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-10-2024 09:44

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General

  • Target

    7z.exe

  • Size

    37KB

  • MD5

    6abaab6c3d6b1446b67325bcd14d11d4

  • SHA1

    052a7939b40f1862527529ba3b5f2ac4a6bea466

  • SHA256

    14e564b871915d4d37cf992c664252ddd390e954ba9ccf0629aa497184df5d5d

  • SHA512

    e9b278ef46ff891ae053195a6eb8c171b9de637e13c4875c5c0a7c11383f6fdc1b6104ac7428029b1972a3eedc4ae2c361e971796cbf05a3a49080f531c56be2

  • SSDEEP

    384:xE2KMizdVjnBhFbJ8ycPN/fnGwacpirAF+rMRTyN/0L+EcoinblneHQM3epzXzND:u2gVlLJfcPN/elcIrM+rMRa8Nu1nt

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7z.exe
    "C:\Users\Admin\AppData\Local\Temp\7z.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\7z.exe" "7z.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

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Downloads

  • memory/3068-0-0x0000000074051000-0x0000000074052000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3068-1-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3068-2-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3068-4-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

    Download