Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 18:01

General

  • Target

    e0fe3222de5c84919c890c61ac5683e457fb81725e9d7a50374bb3ebaa01d709.exe

  • Size

    3.4MB

  • MD5

    50e3facdd909602cd2302651c4659db3

  • SHA1

    ad921886bd9333238624c2fdf51aa2827b83a1c6

  • SHA256

    e0fe3222de5c84919c890c61ac5683e457fb81725e9d7a50374bb3ebaa01d709

  • SHA512

    9e3b5c11143c0f7586ccc088164b11fc4d8f6119fa7dd567a0f9d17dd0869a90fcee71c94e1b401fd070a85bbeb2a1c81d81772ee18323946368761058f67b48

  • SSDEEP

    49152:Qgod0gwbgYXIq3Bdr1XHqbhwKL9zYH7pZIRShwwwsMeAxjgonFOPghMrqr:QRwYqTRKbhh9zJSmReAdPQPXrq

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops Chrome extension 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0fe3222de5c84919c890c61ac5683e457fb81725e9d7a50374bb3ebaa01d709.exe
    "C:\Users\Admin\AppData\Local\Temp\e0fe3222de5c84919c890c61ac5683e457fb81725e9d7a50374bb3ebaa01d709.exe"
    1⤵
    • Loads dropped DLL
    • Drops Chrome extension
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3548
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\SmartOnes\27kZNZxji3UbD7.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\SmartOnes\27kZNZxji3UbD7.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1972
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:1424
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4528

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Browser Extensions

      1
      T1176

      Defense Evasion

      Modify Registry

      3
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\SmartOnes\27kZNZxji3UbD7.dat
        Filesize

        3KB

        MD5

        b3e1418d40f81306e6bdf62a7caaa42f

        SHA1

        05cfdfe6c2217e6af91422380295525b25d99e07

        SHA256

        3609d5c6bbfed76e843ffac08c4a5c8851ee2435b717f7ce0aba307eebb76c87

        SHA512

        2a2f93cc75ed8735e13c7fe8505d4ea340a84792b06f77017cc650ef7c40bb4f82736aba77662bc405d5b665f62018f195a56e4f243c0589da7030141beffd97

      • C:\Program Files (x86)\SmartOnes\27kZNZxji3UbD7.dll
        Filesize

        621KB

        MD5

        987d45a8cfdee8e3311d4a212a4babdb

        SHA1

        62281d5463d25e4155b84365713d18a8c5f06941

        SHA256

        09faf6d30c6d3b29c585439e2b384ef78ecae32a98740148f79e6b9fed1cf3e0

        SHA512

        330c19896a7dcc5361b9fb10d86d6d60cbe838f4f2bcca6dfdf5dba17c5e1b0bba19a0c7293776d25060da968ec32a64521432b267570cff0a65bcf61baaefd7

      • C:\Program Files (x86)\SmartOnes\27kZNZxji3UbD7.tlb
        Filesize

        3KB

        MD5

        2fb1c1eb5048d6fd38f4012d609109e6

        SHA1

        63f5b13d95c02777173b0965636be74919203d9c

        SHA256

        e3a8dc57eb1cda0375305b0619b248f96d4e72c6df558c33e77fb722614b3d9a

        SHA512

        48f8acedd840ea26d0bf6a420cc4a04fb5dc4ebf015a9f229f09e25c4c19133d7526b2c92c9a48ce0d7a1c3441c039a6d07d0b8846f5adcf164b14cba73c0b7e

      • C:\Program Files (x86)\SmartOnes\27kZNZxji3UbD7.x64.dll
        Filesize

        701KB

        MD5

        e6a1f26110707cd5fbd0137aafeb6f0b

        SHA1

        d87d543eb7a21b77b84038dfa8af7c475bacaf95

        SHA256

        d6823b453891672bcecaf16037750aa3974ea53dc3f7f11c7f2206972bf3642b

        SHA512

        775cd961ef763c53191bf7debe67e9d47fdf51cb22e6d651088966b9f2125ae837a355a1af431aacc0967ddf4c2fe0ec62f9b618d5b921ddf3fbf41e1a64127b

      • C:\Program Files (x86)\SmartOnes\27kZNZxji3UbD7.x64.dll
        Filesize

        701KB

        MD5

        e6a1f26110707cd5fbd0137aafeb6f0b

        SHA1

        d87d543eb7a21b77b84038dfa8af7c475bacaf95

        SHA256

        d6823b453891672bcecaf16037750aa3974ea53dc3f7f11c7f2206972bf3642b

        SHA512

        775cd961ef763c53191bf7debe67e9d47fdf51cb22e6d651088966b9f2125ae837a355a1af431aacc0967ddf4c2fe0ec62f9b618d5b921ddf3fbf41e1a64127b

      • C:\Program Files (x86)\SmartOnes\27kZNZxji3UbD7.x64.dll
        Filesize

        701KB

        MD5

        e6a1f26110707cd5fbd0137aafeb6f0b

        SHA1

        d87d543eb7a21b77b84038dfa8af7c475bacaf95

        SHA256

        d6823b453891672bcecaf16037750aa3974ea53dc3f7f11c7f2206972bf3642b

        SHA512

        775cd961ef763c53191bf7debe67e9d47fdf51cb22e6d651088966b9f2125ae837a355a1af431aacc0967ddf4c2fe0ec62f9b618d5b921ddf3fbf41e1a64127b

      • memory/1240-138-0x0000000000000000-mapping.dmp
      • memory/1972-141-0x0000000000000000-mapping.dmp
      • memory/3548-132-0x0000000003870000-0x0000000003912000-memory.dmp
        Filesize

        648KB