Analysis

  • max time kernel
    212s
  • max time network
    229s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 22:17

General

  • Target

    90426d949bc3cfdf69cfb9ff96d9db690a2eef522362392ca79816567940836b.exe

  • Size

    4.9MB

  • MD5

    41ac90258118db6451923a812891cb49

  • SHA1

    0976b848c6e1b32e1a14285c449b21f75985e089

  • SHA256

    90426d949bc3cfdf69cfb9ff96d9db690a2eef522362392ca79816567940836b

  • SHA512

    33ce39732177f841445a77891309d880027dac7130913762de03559b2445d7a771b27408ccc8e53a0965d288d598a0e922c760c97512a1eb62985ed398076a64

  • SSDEEP

    98304:tmLatjKCAZxprPZsMXeBZwXFXZv9GDvy:tFKCspGNT2FXsvy

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 20 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\90426d949bc3cfdf69cfb9ff96d9db690a2eef522362392ca79816567940836b.exe
    "C:\Users\Admin\AppData\Local\Temp\90426d949bc3cfdf69cfb9ff96d9db690a2eef522362392ca79816567940836b.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:1408
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4940
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1244
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:5068
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:1832

      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)\PriceLess\Mgyy4QeKhaRhpW.dat
        Filesize

        3KB

        MD5

        6ff1f73ba5d9c0de3534756be5d15541

        SHA1

        882911ff975ceb976768648d9a45a88710891d53

        SHA256

        a350f445d685c218e9072079fe8e2af2637c623ba383dc348272ecd61f63cfe5

        SHA512

        4b9d050e2ea999dfef527aefa70387d1ba18dd5fa9c70221d3c246a9bfab9478992fb16a981aeec0dc67d80405da7407a3cd54fae736ccca1b78f4cec15de606

      • C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.dll
        Filesize

        742KB

        MD5

        c0c014572e3147c3bb500c93bc3f6294

        SHA1

        3295174c155a3ac5d9b35af8d6bcceb5c16ec07f

        SHA256

        b7e56d9a1febd14ef2bfd19e3d601b840df49730dd8c717797f3ee42d4c68a52

        SHA512

        26e39080828bea021bfc20fe494c23b42fb2a1f5eea647624d86af9fc8fe7eb9f65d122bdd06962728578a783dc05c7f050f69c37990c5cef84abc2ada689178

      • C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.tlb
        Filesize

        3KB

        MD5

        a53666f65acdecc0d572a5169e73ab5e

        SHA1

        e4c88d2ef83bc866982e04f1bf3d52fe4726b281

        SHA256

        45d684877db3e6389f4dd7b3d45ae3c23584ec9723b2604f1c903887b8b56f34

        SHA512

        3c3e213075e83e45e57bc3acc5230fc717dd414ab993311adc3abc7cdfa9dc7336469b470db7b0b2b6fe1c7ca71b9854f969707bbccab6c943f5102060d3a4e8

      • C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll
        Filesize

        872KB

        MD5

        f7e2067dcbc86670ee7b0802ec3e1411

        SHA1

        1eeffc346d2b66063fb83d43fef22643ef27a085

        SHA256

        9ded0469198438078d0fe57070761b9790d929136c96a17eadbd901576003dbd

        SHA512

        a5dc36649c8c4e13e7a821e1e8f24c3c59a7d57d21b430ad742bba4ece9c93ad738d07e10c33a1411478ce1aaa6d48d3420cf2d25904f951fd79fa0aa5a65162

      • C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll
        Filesize

        872KB

        MD5

        f7e2067dcbc86670ee7b0802ec3e1411

        SHA1

        1eeffc346d2b66063fb83d43fef22643ef27a085

        SHA256

        9ded0469198438078d0fe57070761b9790d929136c96a17eadbd901576003dbd

        SHA512

        a5dc36649c8c4e13e7a821e1e8f24c3c59a7d57d21b430ad742bba4ece9c93ad738d07e10c33a1411478ce1aaa6d48d3420cf2d25904f951fd79fa0aa5a65162

      • C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll
        Filesize

        872KB

        MD5

        f7e2067dcbc86670ee7b0802ec3e1411

        SHA1

        1eeffc346d2b66063fb83d43fef22643ef27a085

        SHA256

        9ded0469198438078d0fe57070761b9790d929136c96a17eadbd901576003dbd

        SHA512

        a5dc36649c8c4e13e7a821e1e8f24c3c59a7d57d21b430ad742bba4ece9c93ad738d07e10c33a1411478ce1aaa6d48d3420cf2d25904f951fd79fa0aa5a65162

      • memory/1244-141-0x0000000000000000-mapping.dmp
      • memory/1408-132-0x0000000003190000-0x0000000003258000-memory.dmp
        Filesize

        800KB

      • memory/4940-138-0x0000000000000000-mapping.dmp