Resubmissions

14-11-2023 17:31

231114-v3qg7acf42 10

14-11-2023 17:21

231114-vxdw7sdg61 10

28-10-2023 19:29

231028-x7cs1age56 10

24-10-2023 13:29

231024-qrn3rsdb6z 10

18-10-2023 12:04

231018-n8ybnaeb31 10

07-09-2023 12:10

230907-pce1wahe2x 10

Analysis

  • max time kernel
    137s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2023 19:29

General

  • Target

    96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

  • Size

    448KB

  • MD5

    ad53609d80259f7f329bf724c55a3ee7

  • SHA1

    71dac241fb99cde30fc2feae60483c479f96b174

  • SHA256

    96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528

  • SHA512

    83f972453bcc65afd8944a5a28190c8289aa02329e22bdc9170b2a1d0c3947086f6dd10e4cb1d28bf20d8d279a9013ec9861abafa265923821454c5a9221996e

  • SSDEEP

    12288:ON9ugSNkvm9f+MgvLwabghCE2SN7YDaLsz6J7yCXjmZfMc3ed/37z0M/n/sCbMe2:1OSN7YDaLsWJ7yimGn/sCE

Malware Config

Signatures

  • Detect Neshta payload 9 IoCs
  • Neshta

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

  • 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 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
    "C:\Users\Admin\AppData\Local\Temp\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Users\Admin\AppData\Local\Temp\3582-490\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe"
      2⤵
      • Executes dropped EXE
      PID:1392

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

    8ffc3bdf4a1903d9e28b99d1643fc9c7

    SHA1

    919ba8594db0ae245a8abd80f9f3698826fc6fe5

    SHA256

    8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6

    SHA512

    0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427

  • C:\Users\Admin\AppData\Local\Temp\3582-490\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

    Filesize

    408KB

    MD5

    f866509bb775b77b593bc831d3f5a238

    SHA1

    46e0be4667e3eed77227e58192817a960f2ef58b

    SHA256

    88777558b5b6d03679c012a1d29a72c257e43081d6d45f5e75b542db4cd578f2

    SHA512

    a97385bf76d1639cb49022584f62aa5ecc5a425e2ea87920eb5ed4902cc4583cfd3cf404cc2927d94ce158599b1ffe720fae204c89fcd60b7b9efe5d8e7d9a70

  • C:\Users\Admin\AppData\Local\Temp\3582-490\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

    Filesize

    408KB

    MD5

    f866509bb775b77b593bc831d3f5a238

    SHA1

    46e0be4667e3eed77227e58192817a960f2ef58b

    SHA256

    88777558b5b6d03679c012a1d29a72c257e43081d6d45f5e75b542db4cd578f2

    SHA512

    a97385bf76d1639cb49022584f62aa5ecc5a425e2ea87920eb5ed4902cc4583cfd3cf404cc2927d94ce158599b1ffe720fae204c89fcd60b7b9efe5d8e7d9a70

  • C:\Users\Admin\AppData\Local\Temp\3582-490\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

    Filesize

    408KB

    MD5

    f866509bb775b77b593bc831d3f5a238

    SHA1

    46e0be4667e3eed77227e58192817a960f2ef58b

    SHA256

    88777558b5b6d03679c012a1d29a72c257e43081d6d45f5e75b542db4cd578f2

    SHA512

    a97385bf76d1639cb49022584f62aa5ecc5a425e2ea87920eb5ed4902cc4583cfd3cf404cc2927d94ce158599b1ffe720fae204c89fcd60b7b9efe5d8e7d9a70

  • memory/1392-13-0x0000000001400000-0x0000000003570000-memory.dmp

    Filesize

    33.4MB

  • memory/2476-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-28-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB