Overview

overview

10

Static

static

10

Coreblocks...er.exe

windows7-x64

10

Coreblocks...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    128s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-06-2024 17:58

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General

  • Target

    Coreblocks_installer.exe

  • Size

    79KB

  • MD5

    d13905e018eb965ded2e28ba0ab257b5

  • SHA1

    6d7fe69566fddc69b33d698591c9a2c70d834858

  • SHA256

    2bd631c6665656673a923c13359b0dc211debc05b2885127e26b0dce808e2dec

  • SHA512

    b95bfdebef33ac72b6c21cdf0abb4961222b7efd17267cd7236e731dd0b6105ece28e784a95455f1ffc8a6dd1d580a467b07b3bd8cb2fb19e2111f1a864c97cb

  • SSDEEP

    1536:YCH0jBD2BKkwbPNrfxCXhRoKV6+V+y9viwp:VUjBD2BPwbPNrmAE+MqU

Score
10/10
discordratpersistenceratrootkitstealer

Malware Config

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

    stealerrootkitratpersistencediscordrat
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:224
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4404,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4252 /prefetch:8
    1⤵
      PID:3996
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3692

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/224-1-0x00007FFDA3233000-0x00007FFDA3235000-memory.dmp
      Filesize

      8KB

      Download
    • memory/224-0-0x00000226AE840000-0x00000226AE858000-memory.dmp
      Filesize

      96KB

      Download
    • memory/224-2-0x00000226C8DE0000-0x00000226C8FA2000-memory.dmp
      Filesize

      1.8MB

      Download
    • memory/224-3-0x00007FFDA3230000-0x00007FFDA3CF1000-memory.dmp
      Filesize

      10.8MB

      Download
    • memory/224-17-0x00007FFDA3230000-0x00007FFDA3CF1000-memory.dmp
      Filesize

      10.8MB

      Download
    • memory/3692-4-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3692-5-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3692-13-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3692-14-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3692-16-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3692-15-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3692-12-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3692-11-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3692-10-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3692-6-0x000002622BC50000-0x000002622BC51000-memory.dmp
      Filesize

      4KB

      Download