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Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/11/2024, 02:13 UTC

General

  • Target

    3a291a5dec2c05af1af47878729957f01157f3ab50e4303cff811341a20f99f3N.exe

  • Size

    203KB

  • MD5

    8c9ec4558b1f92b756a564bd0c37b2e0

  • SHA1

    3f07efb7b8863633e56ea0b764a0d2279b96e312

  • SHA256

    e85bb58d77c43c78403430018925f419c0e2c048e938a1e170c54947a30a0776

  • SHA512

    3e81d664952c8116a8947583f845990fbaefecc5b0c6572c5cbd8241be04b2271e628afe56f82faa738e668e1d1c82f0fd56111504dfa970d9e50104e82c7503

  • SSDEEP

    3072:sr85Cw8RXwMsPaV1t+CNJNBwXXyZuVo9f9vZDe4L8R9b31ic2BX1:k9H1w5P21t+C7ZZFf9vZiJV31ic2BF

Malware Config

Signatures

  • Detect Neshta payload 5 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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a291a5dec2c05af1af47878729957f01157f3ab50e4303cff811341a20f99f3N.exe
    "C:\Users\Admin\AppData\Local\Temp\3a291a5dec2c05af1af47878729957f01157f3ab50e4303cff811341a20f99f3N.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
    PID:1836

Network

  • flag-us
    DNS
    241.150.49.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    241.150.49.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    102.209.201.84.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    102.209.201.84.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    17.160.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    17.160.190.20.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
    228.249.119.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    228.249.119.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    56.163.245.4.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    56.163.245.4.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    75.117.19.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    75.117.19.2.in-addr.arpa
    IN PTR
    Response
    75.117.19.2.in-addr.arpa
    IN PTR
    a2-19-117-75deploystaticakamaitechnologiescom
  • flag-us
    DNS
    30.243.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    30.243.111.52.in-addr.arpa
    IN PTR
    Response
No results found
  • 8.8.8.8:53
    241.150.49.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    241.150.49.20.in-addr.arpa

  • 8.8.8.8:53
    102.209.201.84.in-addr.arpa
    dns
    73 B
    133 B
    1
    1

    DNS Request

    102.209.201.84.in-addr.arpa

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

    DNS Request

    17.160.190.20.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
    228.249.119.40.in-addr.arpa
    dns
    73 B
    159 B
    1
    1

    DNS Request

    228.249.119.40.in-addr.arpa

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

    DNS Request

    56.163.245.4.in-addr.arpa

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

    DNS Request

    198.187.3.20.in-addr.arpa

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

    DNS Request

    75.117.19.2.in-addr.arpa

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

    DNS Request

    30.243.111.52.in-addr.arpa

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\3a291a5dec2c05af1af47878729957f01157f3ab50e4303cff811341a20f99f3N.exe

    Filesize

    162KB

    MD5

    af7bc43613b8e0514ff731305836d0f9

    SHA1

    32194385cf02fe9c98752b7229078128cadfc751

    SHA256

    4602ea2eaba5be783b06c40718ea10b46156f4f73b2c4c6fc302823d1adcb972

    SHA512

    d98555f901904a65e944f1a8f37a45c91f4030ce0ba06dd82f727402cf50db269f76b90d08c7fb6dfa0abf84f55df6e76e75c3e2d55682fe6dd83c1a86f5fe42

  • memory/1836-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1836-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1836-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1836-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

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