Analysis

  • max time kernel
    98s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 20:27

General

  • Target

    e1ab160801cb6af8eae6c30ee41814a2cbfe29fe1c0eee086b9b36bd310e8549N.exe

  • Size

    160KB

  • MD5

    f91d309aec5b0dde35534b7555b7d750

  • SHA1

    78ba4e67482b8c471afb29d4790dd38c3fffaab1

  • SHA256

    e1ab160801cb6af8eae6c30ee41814a2cbfe29fe1c0eee086b9b36bd310e8549

  • SHA512

    b23236505807d8809a51ee332c2f04b01f5181382fc288a3d3105f3ae9c63cacb4ac56fd71867318519886cfa80d1e24df455213922da79bc2bd19f5d38f000c

  • SSDEEP

    3072:sr85CSjEU6z48Xlxhhvh1+uL9XUpFykymkNu5gxH4+K:k9qE/z48Xlxhhvh1+uL9kpFyky5NO

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • 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\e1ab160801cb6af8eae6c30ee41814a2cbfe29fe1c0eee086b9b36bd310e8549N.exe
    "C:\Users\Admin\AppData\Local\Temp\e1ab160801cb6af8eae6c30ee41814a2cbfe29fe1c0eee086b9b36bd310e8549N.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:4756
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e1ab160801cb6af8eae6c30ee41814a2cbfe29fe1c0eee086b9b36bd310e8549N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e1ab160801cb6af8eae6c30ee41814a2cbfe29fe1c0eee086b9b36bd310e8549N.exe"
      2⤵
      • Executes dropped EXE
      PID:3096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\e1ab160801cb6af8eae6c30ee41814a2cbfe29fe1c0eee086b9b36bd310e8549N.exe

    Filesize

    120KB

    MD5

    38018a1b421b84317322062ef51d1313

    SHA1

    0d8b71daf1579eaa8dbf72157e9db45e419b6760

    SHA256

    459a60bcd07f8ec9633267137a059b0102564fc9af41385a55256a9fde7d75c2

    SHA512

    fa10824c90ab262f0253ca3f2d148b2aaf76bc05f159c13c8e402dafd457fa41ef3fe2d57548224bedc58fb5e23d29955bae300a42f93a4dd6d2d9f8ed4e51b0

  • memory/4756-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4756-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4756-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB