Overview

overview

10

Static

static

10

b766c8001c...02.exe

windows7-x64

10

b766c8001c...02.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2024 13:54

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General

  • Target

    b766c8001cc928c65188a80a149d8eb11c59178b68cee4437659e67d2f02c402.exe

  • Size

    138KB

  • MD5

    6787bc47fb117dd9ee565060bf696218

  • SHA1

    e11600ca6afb97abbb9c42f1ded0d6afc6daef12

  • SHA256

    b766c8001cc928c65188a80a149d8eb11c59178b68cee4437659e67d2f02c402

  • SHA512

    506c26e3803d30983b8b4e925d5e78e3e27c953d708d5f1fbdbf79a0d2a23d2c299e7021e33c2feccba1de57e1de9ac1b3c6ad5e89bd0e67fdf617ad509105f4

  • SSDEEP

    3072:qbvc5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/YS:qbvUS7BqjjYHdrqkL/

Score
10/10
arrowratvenomhvncdiscoverypersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

VenomHVNC

C2

84.17.59.86:10018

Mutex

IDgbBCwxP

Signatures

  • 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 Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of FindShellTrayWindow 49 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b766c8001cc928c65188a80a149d8eb11c59178b68cee4437659e67d2f02c402.exe
    "C:\Users\Admin\AppData\Local\Temp\b766c8001cc928c65188a80a149d8eb11c59178b68cee4437659e67d2f02c402.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1412
    • 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:112
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" VenomHVNC 84.17.59.86 10018 IDgbBCwxP
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4608
  • 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:4396
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133731284977502770.txt
    Filesize

    75KB

    MD5

    7215c626ac1e69ce1b7430682b9709b8

    SHA1

    fab8b34f0a5b41f6a84129f74f4c1aeff876743d

    SHA256

    07276dfd8d0ade4dfdd13907b6c483914a0f198ea0e0ee46b26ec125a0f98448

    SHA512

    5aa714a0682410754c2f682efd7046d820d5793a3f84f73bbac9af6a363b9b5236c1b391be2cf402e4a6e2cd468b5bdcea07564dda164760ba027bdb30d3f366

    Download Submit

  • memory/112-13-0x00000000030C0000-0x00000000030C1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1412-1-0x000001F09CA70000-0x000001F09CA98000-memory.dmp

    Filesize

    160KB

    Download

  • memory/1412-0-0x00007FFE174C3000-0x00007FFE174C5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4268-42-0x000001A047EA0000-0x000001A047EC0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4268-31-0x000001A047A60000-0x000001A047A80000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4268-20-0x000001A047AA0000-0x000001A047AC0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4608-5-0x0000000005130000-0x00000000051CC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/4608-10-0x00000000060C0000-0x0000000006110000-memory.dmp

    Filesize

    320KB

    Download

  • memory/4608-7-0x0000000005800000-0x0000000005866000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4608-6-0x0000000005880000-0x0000000005E24000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/4608-4-0x0000000005090000-0x0000000005122000-memory.dmp

    Filesize

    584KB

    Download

  • memory/4608-2-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

    Download