Analysis

  • max time kernel
    162s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 04:27

General

  • Target

    cd52c1b758221d4711bd40ca1c8e272575cf2ae626e58a49a77b33b84e4ee0af.exe

  • Size

    286KB

  • MD5

    8344c17140c7b0d718722cfd1b44bd4d

  • SHA1

    eb82e0164844d06899eafc0fb6c49b5c8aa5958a

  • SHA256

    cd52c1b758221d4711bd40ca1c8e272575cf2ae626e58a49a77b33b84e4ee0af

  • SHA512

    99559f19368b75abe677941fbd2112642521cbeea90358566768598789c371a30937a309134fa030afd8ef888ffeef9b4718c2d3115b64fa4004db4e23f64972

  • SSDEEP

    6144:CjluQoSIIo5RaqrF3h0PNrpil0hh0m+Aa9MmgNZR2T3miV:CEQoSs7SPNNI0hKmq9MmgfRPiV

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 19 IoCs
  • UPX dump on OEP (original entry point) 21 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 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 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd52c1b758221d4711bd40ca1c8e272575cf2ae626e58a49a77b33b84e4ee0af.exe
    "C:\Users\Admin\AppData\Local\Temp\cd52c1b758221d4711bd40ca1c8e272575cf2ae626e58a49a77b33b84e4ee0af.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:2504
    • C:\Users\Admin\AppData\Local\Temp\cd52c1b758221d4711bd40ca1c8e272575cf2ae626e58a49a77b33b84e4ee0af.exe
      "C:\Users\Admin\AppData\Local\Temp\cd52c1b758221d4711bd40ca1c8e272575cf2ae626e58a49a77b33b84e4ee0af.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\Users\Admin\AppData\Local\Temp\cd52c1b758221d4711bd40ca1c8e272575cf2ae626e58a49a77b33b84e4ee0af.exe
        "C:\Users\Admin\AppData\Local\Temp\cd52c1b758221d4711bd40ca1c8e272575cf2ae626e58a49a77b33b84e4ee0af.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\beast sleeping .mpg.exe

    Filesize

    526KB

    MD5

    24215b8f7b3a484ad8a842cd5e247c0f

    SHA1

    5c1e026e5a0eeeb767e6759eba9fb016b923c071

    SHA256

    d89a4a736ceb0cd3e67e511de147579c6bd02caa2a19939e70901e4e00c468dc

    SHA512

    92aae828e0fc14d9e922ee06ba15a13c919b4aed26b3356993c1aaa870d0ddf1cb45f2030860c1aac520ed6c2ab2b41653a3b94a4b0a2486c3896fd21a3af916

  • C:\debug.txt

    Filesize

    183B

    MD5

    224e21d9a81bf0446e135cf3d308d838

    SHA1

    d242041c31af9637bd63263249436ff42171dda6

    SHA256

    f06f7a6f6754cd1a46c18e27e8a7e07705aed580c2cab672e1ac4c6cde3941ee

    SHA512

    6a5c5af37875ea66c36a638e309f9ccfbaf3b859d5efb9ba7530f02892859ad747aaae468fb5ede25efbd070a933deb057fb4a13e8554731221d7b5234e16266

  • memory/2504-117-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-142-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-101-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-68-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-136-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-18-0x0000000004950000-0x000000000496F000-memory.dmp

    Filesize

    124KB

  • memory/2504-95-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-96-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-97-0x0000000004950000-0x000000000496F000-memory.dmp

    Filesize

    124KB

  • memory/2504-145-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-139-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-110-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-107-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-104-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-114-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-125-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-120-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2544-20-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2544-69-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2544-63-0x0000000004900000-0x000000000491F000-memory.dmp

    Filesize

    124KB

  • memory/2544-100-0x0000000004900000-0x000000000491F000-memory.dmp

    Filesize

    124KB

  • memory/2924-81-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2924-64-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB