Overview

overview

10

Static

static

10

guangan.exe

windows10-2004-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/09/2026, 14:57

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General

  • Target
    guangan.exe
  • Size 158KB
  • Sample260913-sbm7mshk8x
  • SHA256 06a09a4336008d3611c97076a27bcb7ee88d36d2c30d448826ecd73b8c5542c4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
zoyadiscoveryarrowratpersistencerat

Malware Config

Extracted

Family

  • arrowrat

Botnet

  • zoya

C2

  • 200.88.55.199:4646

Mutex

  • CDbnZ23XGOh

Signatures

  • Family: ArrowRat

    Remote access tool with various capabilities first seen in late 2021.

    ratarrowrat
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 22 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\guangan.exe
    "C:\Users\Admin\AppData\Local\Temp\guangan.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3276
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" zoya 200.88.55.199 4646 CDbnZ23XGOh
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4476
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3356
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1260

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AppCache134337850673014687.txt
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134337850673014687.txt
        • Size 86KB
        • SHA256 cdd1915ea8392907a1e9c66e95563451ce543d6c4585d40b68f89db5e33edaa5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1260-49-0x0000021B4D610000-0x0000021B4D630000-memory.dmp
        Download

        memory/1260-48-0x0000021B4D200000-0x0000021B4D220000-memory.dmp
        Download

        memory/1260-14-0x0000021B4BF00000-0x0000021B4C000000-memory.dmp
        Download

        memory/1260-18-0x0000021B4D240000-0x0000021B4D260000-memory.dmp
        Download

        memory/2580-0-0x000001C63E120000-0x000001C63E14E000-memory.dmp
        Download

        memory/2580-179-0x000001C63E5A0000-0x000001C63E5B0000-memory.dmp
        Download

        memory/2580-2-0x000001C63E5A0000-0x000001C63E5B0000-memory.dmp
        Download

        memory/3276-12-0x00000000037A0000-0x00000000037A1000-memory.dmp
        Download

        memory/3276-178-0x000000000A6E0000-0x000000000A7D7000-memory.dmp
        Download

        memory/4476-9-0x0000000006910000-0x0000000006960000-memory.dmp
        Download

        memory/4476-6-0x0000000006610000-0x0000000006676000-memory.dmp
        Download

        memory/4476-5-0x0000000006060000-0x0000000006604000-memory.dmp
        Download

        memory/4476-4-0x00000000058D0000-0x000000000596C000-memory.dmp
        Download

        memory/4476-3-0x0000000005830000-0x00000000058C2000-memory.dmp
        Download

        memory/4476-1-0x0000000000400000-0x0000000000418000-memory.dmp
        Download