Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 19:03

General

  • Target

    1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827.exe

  • Size

    1.9MB

  • MD5

    343b82727f88c565ddccac5af663cc75

  • SHA1

    e6c76a20b7f76d71e9e1783e73fc662355eebb58

  • SHA256

    1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827

  • SHA512

    4fc88637dd7a86cf9af23b4153bb9e63b5adda94e780e957e6cc818fa14bac76d29534a9ca35bfecf97f61dedf971bfdebdcfbece3713a9329623fd743d0494d

  • SSDEEP

    49152:QJS/J8v3KO4f5knRzRoIIC+X0stNUBTILh0k4+umR/:QJSSv3KOy5YRnzi0stNUBULa0u+/

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 19 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Checks computer location settings 2 TTPs 2 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.

  • UPX packed file 21 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827.exe
    "C:\Users\Admin\AppData\Local\Temp\1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Users\Admin\AppData\Local\Temp\1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827.exe
      "C:\Users\Admin\AppData\Local\Temp\1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1168
      • C:\Users\Admin\AppData\Local\Temp\1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827.exe
        "C:\Users\Admin\AppData\Local\Temp\1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3804
    • C:\Users\Admin\AppData\Local\Temp\1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827.exe
      "C:\Users\Admin\AppData\Local\Temp\1953df40a750dbc5e981264ef67f593084c01a699f5feefeb00c379b59908827.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3088
  • 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=3848 --field-trial-handle=2256,i,6057863739127169200,6895476048812676039,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2616

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\swedish trambling voyeur ash .avi.exe

            Filesize

            1.4MB

            MD5

            16ff47dde7e82d6ff862c0f42b704cfd

            SHA1

            bd56b02c6b8d7b0e3e64aec44829b8aa38d0a517

            SHA256

            7f70e7162b7cb1427c8c14d0f19b6b829e5d4dcb810eea36e4dccac06c995528

            SHA512

            5c51e3e4ccc461f741a812cd35a3540cc926dfec5c495a450bb7cdfe0fb931f6629abcfd245b9f8114329635e18701d2d09bfea0ade9fc373443f2e0fa18cf75

          • memory/1168-11-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/1168-151-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/3088-152-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/3088-35-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/3804-153-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-180-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-210-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-154-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-164-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-0-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-202-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-206-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-121-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-215-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-219-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-227-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-231-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-237-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-247-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4988-251-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB