Overview

overview

10

Static

static

10

31f24a687e...fe.exe

windows7-x64

10

31f24a687e...fe.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 14:40

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General

  • Target

    31f24a687e78048dd69114d16e9fb8d4dac18f64bf355c07f02c5613a0276efe.exe

  • Size

    28KB

  • MD5

    2757e4e46daf6e6c504b5f8dcbec1248

  • SHA1

    3d472f3c09e05ff15f56e0ca57de6005299c35fb

  • SHA256

    31f24a687e78048dd69114d16e9fb8d4dac18f64bf355c07f02c5613a0276efe

  • SHA512

    5bd434b960c8f391f603d11d07f604dddbbaab6cf3f3ff5bd3e1674ffdff63d40c05eed1b852c0d97b86a945f2119c32494a09c39263f404967b7f0db944853c

  • SSDEEP

    768:Yo1xhUXD7dl9tAgjFVIe+A90CC0y7Wt0LiJOb0KU:Yo1xhCD7dl9tAgjFVIe+A9BC0ayOb0KU

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 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31f24a687e78048dd69114d16e9fb8d4dac18f64bf355c07f02c5613a0276efe.exe
    "C:\Users\Admin\AppData\Local\Temp\31f24a687e78048dd69114d16e9fb8d4dac18f64bf355c07f02c5613a0276efe.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4668
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1912
      • 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:2456

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

    28KB

    MD5

    2757e4e46daf6e6c504b5f8dcbec1248

    SHA1

    3d472f3c09e05ff15f56e0ca57de6005299c35fb

    SHA256

    31f24a687e78048dd69114d16e9fb8d4dac18f64bf355c07f02c5613a0276efe

    SHA512

    5bd434b960c8f391f603d11d07f604dddbbaab6cf3f3ff5bd3e1674ffdff63d40c05eed1b852c0d97b86a945f2119c32494a09c39263f404967b7f0db944853c

    Download Submit

  • memory/1912-13-0x00000000748C0000-0x0000000074E71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1912-14-0x00000000748C0000-0x0000000074E71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1912-16-0x00000000748C0000-0x0000000074E71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1912-17-0x00000000748C0000-0x0000000074E71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1912-18-0x00000000748C0000-0x0000000074E71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4668-0-0x00000000748C2000-0x00000000748C3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4668-1-0x00000000748C0000-0x0000000074E71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4668-2-0x00000000748C0000-0x0000000074E71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4668-12-0x00000000748C0000-0x0000000074E71000-memory.dmp

    Filesize

    5.7MB

    Download