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Analysis

  • max time kernel
    93s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2024, 03:27 UTC

General

  • Target

    cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe

  • Size

    3.0MB

  • MD5

    053521c38f9f1f895d1750dcaa61313c

  • SHA1

    32c58227fc95e29ad5eef1505213c7052410463b

  • SHA256

    cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f

  • SHA512

    3252d65efc09beec221446b49ca1a6f5db3885573ea3e989fda4697e7728fa0032e02362df6fab109ad76d8b92fe5b8f3f2a88812c6dff4c8e22083a409e55d0

  • SSDEEP

    49152:5JLEZn0hHcuspfeSvy5OElNHGsT0AsVxDq8Ty7bSDD:5JPhHRHtQsTC2LWD

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 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
    "C:\Users\Admin\AppData\Local\Temp\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.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:3604
    • C:\Users\Admin\AppData\Local\Temp\3582-490\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2776

Network

  • flag-us
    DNS
    8.8.8.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    8.8.8.8.in-addr.arpa
    IN PTR
    Response
    8.8.8.8.in-addr.arpa
    IN PTR
    dnsgoogle
  • flag-us
    DNS
    13.86.106.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    13.86.106.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    88.210.23.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    88.210.23.2.in-addr.arpa
    IN PTR
    Response
    88.210.23.2.in-addr.arpa
    IN PTR
    a2-23-210-88deploystaticakamaitechnologiescom
  • flag-us
    DNS
    73.159.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    73.159.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    217.106.137.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    217.106.137.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    53.210.109.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    53.210.109.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    241.42.69.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    241.42.69.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    24.139.73.23.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    24.139.73.23.in-addr.arpa
    IN PTR
    Response
    24.139.73.23.in-addr.arpa
    IN PTR
    a23-73-139-24deploystaticakamaitechnologiescom
  • flag-us
    DNS
    83.210.23.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    83.210.23.2.in-addr.arpa
    IN PTR
    Response
    83.210.23.2.in-addr.arpa
    IN PTR
    a2-23-210-83deploystaticakamaitechnologiescom
  • flag-us
    DNS
    0.205.248.87.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    0.205.248.87.in-addr.arpa
    IN PTR
    Response
    0.205.248.87.in-addr.arpa
    IN PTR
    https-87-248-205-0lgwllnwnet
  • flag-us
    DNS
    13.227.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    13.227.111.52.in-addr.arpa
    IN PTR
    Response
  • 192.168.1.10:1433
    cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
    260 B
    5
  • 192.168.1.10:445
    260 B
    5
  • 192.168.1.10:139
    260 B
    5
  • 8.8.8.8:53
    8.8.8.8.in-addr.arpa
    dns
    66 B
    90 B
    1
    1

    DNS Request

    8.8.8.8.in-addr.arpa

  • 8.8.8.8:53
    13.86.106.20.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    13.86.106.20.in-addr.arpa

  • 8.8.8.8:53
    88.210.23.2.in-addr.arpa
    dns
    70 B
    133 B
    1
    1

    DNS Request

    88.210.23.2.in-addr.arpa

  • 8.8.8.8:53
    73.159.190.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    73.159.190.20.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
    144 B
    1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    217.106.137.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    217.106.137.52.in-addr.arpa

  • 8.8.8.8:53
    53.210.109.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    53.210.109.20.in-addr.arpa

  • 8.8.8.8:53
    241.42.69.40.in-addr.arpa
    dns
    71 B
    145 B
    1
    1

    DNS Request

    241.42.69.40.in-addr.arpa

  • 8.8.8.8:53
    24.139.73.23.in-addr.arpa
    dns
    71 B
    135 B
    1
    1

    DNS Request

    24.139.73.23.in-addr.arpa

  • 8.8.8.8:53
    83.210.23.2.in-addr.arpa
    dns
    70 B
    133 B
    1
    1

    DNS Request

    83.210.23.2.in-addr.arpa

  • 8.8.8.8:53
    0.205.248.87.in-addr.arpa
    dns
    71 B
    116 B
    1
    1

    DNS Request

    0.205.248.87.in-addr.arpa

  • 8.8.8.8:53
    13.227.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    13.227.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe

    Filesize

    2.9MB

    MD5

    76ea3eeeffad5915b7ad4e0ae8f8f7ae

    SHA1

    34ab8cd11c2c1b1049ed3072d00b18eccf935df0

    SHA256

    354b8d28b9ef2516c370b27fae70c3159de2495e8e9af21be18c7e7012bfa848

    SHA512

    97efe3bea4f01eb06d0647073c617f58126979ef9885b699d5e8ef2bb5ade4531ace732eb6e62cd35cd42e2d3918240d3e884546e11421e28725435503637ad8

  • memory/2776-12-0x0000000000A40000-0x0000000000A41000-memory.dmp

    Filesize

    4KB

  • memory/2776-97-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/2776-98-0x0000000000A40000-0x0000000000A41000-memory.dmp

    Filesize

    4KB

  • memory/2776-105-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/3604-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3604-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3604-102-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

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