Analysis

  • max time kernel
    96s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 23:44

General

  • Target

    bdea448ac9419896b38780aeb2909f406ea8404e03175dfb39cbcda8a5760e1dN.exe

  • Size

    2.1MB

  • MD5

    0feea53e3ee849774ca182710912e780

  • SHA1

    2fe817f327bcb06043dd3378632e12608afff9af

  • SHA256

    bdea448ac9419896b38780aeb2909f406ea8404e03175dfb39cbcda8a5760e1d

  • SHA512

    936b0ee961c4b9a3ca7265fde63ac61b383e3f5bfd5c8315ef437b27520728cba42042cccde3f53be2880efa75922e2d2f65a8c58ec5d2ee7c714045003993a8

  • SSDEEP

    24576:JoqdfqcNskKxVecUoEdVUJz+MRpswPPb98dilWN+cBzCUBhVBigOkzM4SepS8aBA:tfVKxV9jhVrRFPm11QgfoeyW

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdea448ac9419896b38780aeb2909f406ea8404e03175dfb39cbcda8a5760e1dN.exe
    "C:\Users\Admin\AppData\Local\Temp\bdea448ac9419896b38780aeb2909f406ea8404e03175dfb39cbcda8a5760e1dN.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\3582-490\bdea448ac9419896b38780aeb2909f406ea8404e03175dfb39cbcda8a5760e1dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\bdea448ac9419896b38780aeb2909f406ea8404e03175dfb39cbcda8a5760e1dN.exe"
      2⤵
      • Executes dropped EXE
      PID:3528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\bdea448ac9419896b38780aeb2909f406ea8404e03175dfb39cbcda8a5760e1dN.exe

    Filesize

    2.1MB

    MD5

    bcb4b3ac2f940fbae972b6a9d4e67121

    SHA1

    936bd1764899760848e972d159aa386f72acfdf0

    SHA256

    6d634209fd1f19f948e140d2d1672f3a013bd536aabe8e271cfa68ddabcbd256

    SHA512

    a78c20241b5ff69ff5c3f940cdac9dd31d53f4f95d64fb0c04f2348b0df47198958208f6a4154473d3fa7ce95225a8cff07c06174145a49673c4826ca7611515

  • memory/2420-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2420-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2420-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB