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Analysis

  • max time kernel
    134s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2024, 07:12 UTC

General

  • Target

    b3c3c68a634dcf4369c7945fd3de5f0f2d11a39e73dfffafcce37c4b977fbd89.exe

  • Size

    9.0MB

  • MD5

    79a4f8790c1a4ac9db948e74bb496043

  • SHA1

    8e567819b3d44636b63ccac3767649803ca4027d

  • SHA256

    b3c3c68a634dcf4369c7945fd3de5f0f2d11a39e73dfffafcce37c4b977fbd89

  • SHA512

    6c082332e820c9248d879af06ec2f99e91c9b8eb1c39bd3280e85b9fa197eb78258b8f97c1a8e130e14f11e7cbb8f86c87e154255f8b09e49f58297cb42bc9dc

  • SSDEEP

    98304:rcWWRIkaeXtJngYtpGRF03Adojw3EW9EU12ihD0g0lPiZSEwXDfUJVIYZuT18xOu:wlNb3T8EU6hzEZVDKWq6

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.

  • 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\b3c3c68a634dcf4369c7945fd3de5f0f2d11a39e73dfffafcce37c4b977fbd89.exe
    "C:\Users\Admin\AppData\Local\Temp\b3c3c68a634dcf4369c7945fd3de5f0f2d11a39e73dfffafcce37c4b977fbd89.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:4740

Network

  • flag-us
    DNS
    97.17.167.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    97.17.167.52.in-addr.arpa
    IN PTR
    Response
  • 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
    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
    140.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    140.32.126.40.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
    22.236.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    22.236.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    18.173.189.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    18.173.189.20.in-addr.arpa
    IN PTR
    Response
No results found
  • 8.8.8.8:53
    97.17.167.52.in-addr.arpa
    dns
    71 B
    145 B
    1
    1

    DNS Request

    97.17.167.52.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
    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
    140.32.126.40.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    140.32.126.40.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
    22.236.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    22.236.111.52.in-addr.arpa

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

    DNS Request

    18.173.189.20.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\b3c3c68a634dcf4369c7945fd3de5f0f2d11a39e73dfffafcce37c4b977fbd89.exe

    Filesize

    8.9MB

    MD5

    a581ec098443a64ee4a499f7eeee4dc1

    SHA1

    61c0ad74b8bbc5d5bfb227d3811215bb5e66039d

    SHA256

    92afc1dc02c19c0890c0c9bcad57ab5bab6b6d33e7a8b2c23bfaa4c5dc8e870e

    SHA512

    e01d36fbd3b3d571afe742e9a858f16202fe0bf2447fc4ef4ef034e47e4d6c1068da28c82f1ad691e83749623b6c44c673fb06a71ce17e72d17f1de063c61d57

  • memory/4740-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4740-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4740-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

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