Overview

overview

10

Static

static

10

Update.exe

windows7-x64

10

Update.exe

windows10-2004-x64

8

Update.exe

windows10-ltsc 2021-x64

8

Update.exe

windows11-21h2-x64

8

Analysis

  • max time kernel
    29s
  • max time network
    24s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250207-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250207-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    07-02-2025 22:09

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General

  • Target

    Update.exe

  • Size

    48KB

  • MD5

    a6fed209276015af14b2f088d52282af

  • SHA1

    7ee00d72c43b4f6720340637b2773e88664a1b70

  • SHA256

    c7ddec717bda7e1ef135d2815a795df62157cd14f1ac45c44c91868ae72c80d4

  • SHA512

    b7f0d9279c556e58063ee768c078fec87993596463f5006fd7510527a49b3d598584ebaf6d9894340313d46961cbfbb09a0c7ed9c86c5d7348a791d4f5817f9a

  • SSDEEP

    768:dzvN+xBNneQbxS59ilnp/D2vGFI590TRXZ66QDY/X9u0hcb4yU:tV+xBNneQbxS0p/6vGFrKY/Xg8cb4y

Score
8/10
defense_evasiondiscoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 7 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • 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 3 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 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Update.exe
    "C:\Users\Admin\AppData\Local\Temp\Update.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Users\Admin\AppData\Roaming\Update.exe
      "C:\Users\Admin\AppData\Roaming\Update.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Update.exe" "Update.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2004

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

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Update.exe.log
    Filesize

    411B

    MD5

    4647bd12664b60b2ebf8d5b21fef4141

    SHA1

    24e7f327d75533d231f3022e906d128dbaa4ead0

    SHA256

    20ef561375a70ede73fba9058b7253e66d07381b0b5e6550bb1412592986ff4b

    SHA512

    d081e5040b3d38651b625a4880abe14a116702a56a987c06a316f5cad71bbbd58a305edceed83fd2843bec74b734794ca436f8579d32e39861eaf12b7e0cca29

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Update.exe
    Filesize

    48KB

    MD5

    a6fed209276015af14b2f088d52282af

    SHA1

    7ee00d72c43b4f6720340637b2773e88664a1b70

    SHA256

    c7ddec717bda7e1ef135d2815a795df62157cd14f1ac45c44c91868ae72c80d4

    SHA512

    b7f0d9279c556e58063ee768c078fec87993596463f5006fd7510527a49b3d598584ebaf6d9894340313d46961cbfbb09a0c7ed9c86c5d7348a791d4f5817f9a

    Download Submit

  • memory/1624-0-0x0000000073CF2000-0x0000000073CF3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1624-1-0x0000000073CF0000-0x00000000742A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1624-2-0x0000000073CF0000-0x00000000742A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1624-16-0x0000000073CF0000-0x00000000742A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2996-17-0x0000000073CF0000-0x00000000742A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2996-19-0x0000000073CF0000-0x00000000742A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2996-18-0x0000000073CF0000-0x00000000742A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2996-20-0x0000000073CF0000-0x00000000742A1000-memory.dmp

    Filesize

    5.7MB

    Download