Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
  • 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 10 IoCs
  • Drops file in Program Files directory 15 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe
    "C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe"
    1⤵
    • 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:3000
    • C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe
      "C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe
        "C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2484
    • C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe
      "C:\Users\Admin\AppData\Local\Temp\b026085d9766cd27a06db958f10cd7d1084ddb235b377b235797b47c5be2e1fb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\bukkake [free] .mpg.exe

    Filesize

    751KB

    MD5

    9ab57e3542d9d72968a2777b42a4f071

    SHA1

    1c99e84fe6faf6c1a3cb8d1d80fc3f24bb87ba1e

    SHA256

    4217509e1f8f72ed104abd9315a07eac4a02c473185ef2979432688bb793792b

    SHA512

    f59c176ba7b96a3e474967aab0e9ad2d887be276a66c4ee808f956eda25a0678bf7dda1bf97b5ae094e8bcacd22b36f5b3b1790d7ed86241a2b227a55789dc2f

  • C:\debug.txt

    Filesize

    183B

    MD5

    a54826a7bc3b21cf96e7f73c3693cdb1

    SHA1

    d4a9f73f0b8891fe356359c44f43393330fdb46f

    SHA256

    952816e405a8a890e6e3c72a1034698098312f645028cacbe85f052f97934285

    SHA512

    160af80cc91089c1d06f9360e86b481d8b7b21efafb1fd96759a61a12b6f2a55adeb0d4e9d260598807a49722e275db397f531273c3bfc72eb21c4093bb81253

  • memory/2464-101-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2484-54-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2484-100-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2700-99-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3000-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3000-9-0x0000000004970000-0x000000000498F000-memory.dmp

    Filesize

    124KB

  • memory/3000-53-0x0000000004980000-0x000000000499F000-memory.dmp

    Filesize

    124KB

  • memory/3000-93-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3000-96-0x0000000004970000-0x000000000498F000-memory.dmp

    Filesize

    124KB