Analysis

  • max time kernel
    143s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-05-2024 12:41

General

  • Target

    Halkbank.exe

  • Size

    1.5MB

  • MD5

    17b4f6c8e030bcc1516f978f1f159ff8

  • SHA1

    e4c5faff829cb346c6bb0b15716a6a260b89101f

  • SHA256

    9ce382b1991be3ae8fa744c4abf5d450ee9d376da295dfee8ca565551e75a9b0

  • SHA512

    adb100e1f52bc096cc23c5a5a82a2d5f581b6477e84f8641ced130249264dd3cb708e3b1e1e43ae7f50e6853bb2dd1cdff6421012896361eda8688d750116be4

  • SSDEEP

    24576:xZyLaHxaFxJ3pJxhqyxmF7CZxZyLaHxaFxJ3pJxhqyxmF7CZOUa:xrHxexJ3rxhE2ZxrHxexJ3rxhE2ZO

Malware Config

Signatures

  • Detect ZGRat V1 1 IoCs
  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Halkbank.exe
    "C:\Users\Admin\AppData\Local\Temp\Halkbank.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\Halkbank.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4048
  • 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 --mojo-platform-channel-handle=748 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:752

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Halkbank.exe.log
      Filesize

      1KB

      MD5

      2a7bafbd42403e8ff009791f05fb309b

      SHA1

      c2f53ffd13db4baea6d5a20135758173119f470d

      SHA256

      8c085c277bd9e1f6093705eedde1bb1a5fc0a0647cefc88905d71afa9602dd80

      SHA512

      3d416cb2ff0abd0e17ac1c94325148da6c768308fe68d891b0b1542973bd9f42278a8d378f39e6678d6123ce51223b320b102872697be55483113134cd8b78b2

    • memory/3488-6-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/3488-10-0x00000000053D0000-0x000000000546A000-memory.dmp
      Filesize

      616KB

    • memory/3488-1-0x0000000000440000-0x00000000005C8000-memory.dmp
      Filesize

      1.5MB

    • memory/3488-4-0x0000000005130000-0x00000000051CC000-memory.dmp
      Filesize

      624KB

    • memory/3488-5-0x00000000751EE000-0x00000000751EF000-memory.dmp
      Filesize

      4KB

    • memory/3488-0-0x00000000751EE000-0x00000000751EF000-memory.dmp
      Filesize

      4KB

    • memory/3488-7-0x0000000004F70000-0x0000000004F7A000-memory.dmp
      Filesize

      40KB

    • memory/3488-8-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/3488-9-0x00000000054A0000-0x0000000005540000-memory.dmp
      Filesize

      640KB

    • memory/3488-16-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/3488-3-0x0000000004FF0000-0x0000000005082000-memory.dmp
      Filesize

      584KB

    • memory/3488-2-0x00000000055A0000-0x0000000005B44000-memory.dmp
      Filesize

      5.6MB

    • memory/4048-24-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/4048-15-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/4048-14-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/4048-17-0x00000000068A0000-0x0000000006906000-memory.dmp
      Filesize

      408KB

    • memory/4048-18-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/4048-19-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/4048-20-0x00000000070C0000-0x00000000070CA000-memory.dmp
      Filesize

      40KB

    • memory/4048-21-0x0000000007260000-0x00000000072B0000-memory.dmp
      Filesize

      320KB

    • memory/4048-22-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/4048-23-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/4048-11-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB