Overview

overview

10

Static

static

10

Server1.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    60s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 00:32

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General

  • Target

    Server1.exe

  • Size

    37KB

  • MD5

    ee0d1c2878ace4ef0022d2f09abe9ccc

  • SHA1

    8096d9c801aebad2e58c48698cfc84c73639120f

  • SHA256

    a4c6a71f2fef67eec9b45057a8f32e7ef367aa19a86611c0c639716c18d9d1c3

  • SHA512

    6e5e3db707b1e59390a21b1b84736166401d7da1e30f8531cded5b23c8c602966ec5816dd20c85eb10bdf82ffb7c3742f3223917dc547947cee68c353fe26014

  • SSDEEP

    384:Xunq1rCiMH3jBVbJsy8P5MbAoxv/vvQ6kxOrAF+rMRTyN/0L+EcoinblneHQM3eX:+n9bJP8P5AAiH1kErM+rMRa8Nuoct

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    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 2 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server1.exe
    "C:\Users\Admin\AppData\Local\Temp\Server1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3208
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:464

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\Temp\server.exe
    Filesize

    37KB

    MD5

    ee0d1c2878ace4ef0022d2f09abe9ccc

    SHA1

    8096d9c801aebad2e58c48698cfc84c73639120f

    SHA256

    a4c6a71f2fef67eec9b45057a8f32e7ef367aa19a86611c0c639716c18d9d1c3

    SHA512

    6e5e3db707b1e59390a21b1b84736166401d7da1e30f8531cded5b23c8c602966ec5816dd20c85eb10bdf82ffb7c3742f3223917dc547947cee68c353fe26014

    Download Submit

  • memory/2636-13-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2636-14-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2636-16-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2636-17-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2636-18-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2636-19-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2636-20-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3208-0-0x0000000075372000-0x0000000075373000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3208-1-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3208-2-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3208-12-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

    Download