Analysis

  • max time kernel
    144s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 03:55

General

  • Target

    2224435136997f7f9d821fa7782c845e1f0762c66ae91ce54c68ed0db8ab6317.exe

  • Size

    3.4MB

  • MD5

    d5443dbf3e1ac5b710bf1db5c1c09b46

  • SHA1

    1a7b1652022731681d0cc41dd53e259c2c2988cc

  • SHA256

    2224435136997f7f9d821fa7782c845e1f0762c66ae91ce54c68ed0db8ab6317

  • SHA512

    d234149a81e944252204c51aa59b252afd0cf889bdea96117a5a1cc8710febc19fbc77c5346a0130cecf1d26a97e2ac6a8184830769a9bd5e806c1aaaf18a219

  • SSDEEP

    49152:hWo8bgwHzYXFABFdr1XHqbhwKL9zYH7p8lt7fTLSS+eJhwchuseCcTc:hzwiABRKbhh9zrTv+eJDhFe

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\2224435136997f7f9d821fa7782c845e1f0762c66ae91ce54c68ed0db8ab6317.exe
    "C:\Users\Admin\AppData\Local\Temp\2224435136997f7f9d821fa7782c845e1f0762c66ae91ce54c68ed0db8ab6317.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:4696
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\SmartOnes\LiyIoKb3zGakT7.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\SmartOnes\LiyIoKb3zGakT7.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1540
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:1860
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:2060

      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\LiyIoKb3zGakT7.dat
        Filesize

        3KB

        MD5

        65f555c801dc677575860138a69a6cc6

        SHA1

        5222d4af4d0dacdd12ee70186284920f948d110c

        SHA256

        ace8ce0625239869f0d5c86eac01871510d72807c0ed1b5c61773abdc5cc1c8d

        SHA512

        d0a17fc481c818900065d1bcd937b215828ca0be82e3121415e5e8eb090dc346bd123efb8a1055a2b53ebe8e45f13bfdbf8d803f6de113a2d8006ea5351fccf1

      • C:\Program Files (x86)\SmartOnes\LiyIoKb3zGakT7.dll
        Filesize

        621KB

        MD5

        987d45a8cfdee8e3311d4a212a4babdb

        SHA1

        62281d5463d25e4155b84365713d18a8c5f06941

        SHA256

        09faf6d30c6d3b29c585439e2b384ef78ecae32a98740148f79e6b9fed1cf3e0

        SHA512

        330c19896a7dcc5361b9fb10d86d6d60cbe838f4f2bcca6dfdf5dba17c5e1b0bba19a0c7293776d25060da968ec32a64521432b267570cff0a65bcf61baaefd7

      • C:\Program Files (x86)\SmartOnes\LiyIoKb3zGakT7.tlb
        Filesize

        3KB

        MD5

        2fb1c1eb5048d6fd38f4012d609109e6

        SHA1

        63f5b13d95c02777173b0965636be74919203d9c

        SHA256

        e3a8dc57eb1cda0375305b0619b248f96d4e72c6df558c33e77fb722614b3d9a

        SHA512

        48f8acedd840ea26d0bf6a420cc4a04fb5dc4ebf015a9f229f09e25c4c19133d7526b2c92c9a48ce0d7a1c3441c039a6d07d0b8846f5adcf164b14cba73c0b7e

      • C:\Program Files (x86)\SmartOnes\LiyIoKb3zGakT7.x64.dll
        Filesize

        701KB

        MD5

        e6a1f26110707cd5fbd0137aafeb6f0b

        SHA1

        d87d543eb7a21b77b84038dfa8af7c475bacaf95

        SHA256

        d6823b453891672bcecaf16037750aa3974ea53dc3f7f11c7f2206972bf3642b

        SHA512

        775cd961ef763c53191bf7debe67e9d47fdf51cb22e6d651088966b9f2125ae837a355a1af431aacc0967ddf4c2fe0ec62f9b618d5b921ddf3fbf41e1a64127b

      • C:\Program Files (x86)\SmartOnes\LiyIoKb3zGakT7.x64.dll
        Filesize

        701KB

        MD5

        e6a1f26110707cd5fbd0137aafeb6f0b

        SHA1

        d87d543eb7a21b77b84038dfa8af7c475bacaf95

        SHA256

        d6823b453891672bcecaf16037750aa3974ea53dc3f7f11c7f2206972bf3642b

        SHA512

        775cd961ef763c53191bf7debe67e9d47fdf51cb22e6d651088966b9f2125ae837a355a1af431aacc0967ddf4c2fe0ec62f9b618d5b921ddf3fbf41e1a64127b

      • C:\Program Files (x86)\SmartOnes\LiyIoKb3zGakT7.x64.dll
        Filesize

        701KB

        MD5

        e6a1f26110707cd5fbd0137aafeb6f0b

        SHA1

        d87d543eb7a21b77b84038dfa8af7c475bacaf95

        SHA256

        d6823b453891672bcecaf16037750aa3974ea53dc3f7f11c7f2206972bf3642b

        SHA512

        775cd961ef763c53191bf7debe67e9d47fdf51cb22e6d651088966b9f2125ae837a355a1af431aacc0967ddf4c2fe0ec62f9b618d5b921ddf3fbf41e1a64127b

      • memory/1540-144-0x0000000000000000-mapping.dmp
      • memory/2244-141-0x0000000000000000-mapping.dmp
      • memory/4696-135-0x0000000002C80000-0x0000000002D22000-memory.dmp
        Filesize

        648KB