Overview

overview

10

Static

static

10

Nursultan.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    38s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2025 04:06

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General

  • Target

    Nursultan.exe

  • Size

    103KB

  • MD5

    7a06426209d92396e23f69a63f5ebe42

  • SHA1

    dfb89c6b1b08bf1ab31e4f6f91a662fb8c7d38c0

  • SHA256

    4e13e856eea3db28bf07862c2de78fdb7d94bc332657f1753736d947b7fa206b

  • SHA512

    84fb50af10ac8d47fee33a8629e71fac44e3b020e6a56a8c840349de300439baa59ccf27cca5f18265a6b5db63d1db305aa92033fc4e142e7f65fbbf62147edf

  • SSDEEP

    768:udcKD5nc/Hu3NiurM+rMRa8NuT+octHB04lYx+JV6rXznA1+6Nwdh:uJD5c/u3sx+gRJNG+os04lnkH

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 9 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nursultan.exe
    "C:\Users\Admin\AppData\Local\Temp\Nursultan.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Nursultan.exe" "Nursultan.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:4052

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

Replay Monitor

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Downloads

  • memory/3944-0-0x0000000074A22000-0x0000000074A23000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3944-1-0x0000000074A20000-0x0000000074FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3944-2-0x0000000074A20000-0x0000000074FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3944-3-0x0000000074A22000-0x0000000074A23000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3944-4-0x0000000074A20000-0x0000000074FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3944-5-0x0000000074A20000-0x0000000074FD1000-memory.dmp

    Filesize

    5.7MB

    Download