Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 01:39

General

  • Target

    b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe

  • Size

    674KB

  • MD5

    66d399a25afa81e7e00773b0bd7f5ffa

  • SHA1

    d81129912c23d461d1644eb8a3b0cfad6d4bb30c

  • SHA256

    b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb

  • SHA512

    b27013de1c07bdd81cb1bd3617b6f7ccfd3d82fe94687456a55d9370b44cc7c6c614aa40344d4d85c2fd795e3d571771ee2610985ed91567c3c1f930143d75d9

  • SSDEEP

    12288:VEQoSmyv4iAfeomJ+VURrVfH4gMBAmbBeu2rXjevNcRze2LFDewBMI35Apea:VVh0CJ+VEBPOBAm9grXjevNoeseAApea

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 9 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 9 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 28 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\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe
    "C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.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:1596
    • C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe
      "C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1432
      • C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe
        "C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2592
    • C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe
      "C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1780
  • 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=4312 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:404

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\porn sperm public wifey .avi.exe

      Filesize

      411KB

      MD5

      89ca8124bdedfe3e37c0f57fa24a44ec

      SHA1

      95cd004209f978e7cb0e760ddb42128b88775466

      SHA256

      e932669e54f3d68b546ba7d9fa0ae79fde36ca7b1b80cb238815d2a3a5b02329

      SHA512

      c05fff6eb25d37fd2b1682467d29efff074954ea81bb46ffa38259f87b485de0a9c63d2fce77c113791330b466702cd2fed6eb7cdc9608ae7f5d6a6cc0662945

    • memory/1432-11-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1432-21-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1596-0-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1596-14-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1780-12-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1780-24-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2592-13-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2592-26-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB