Analysis

  • max time kernel
    92s
  • max time network
    94s
  • 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 22:00

General

  • Target

    0fb68d14f5df72f3beef9deb488debf2292e31cf7bada4bf1f0b98d0be64f82aN.exe

  • Size

    2.2MB

  • MD5

    9ce3e3d5729677adde8e02ea16abfe00

  • SHA1

    87bf4d2308efdceade2186bc5b19ddc226373663

  • SHA256

    0fb68d14f5df72f3beef9deb488debf2292e31cf7bada4bf1f0b98d0be64f82a

  • SHA512

    898fbe58a61ee19de3cf7873ecdf175ba928fc4c0c90136335c1d00f14b9c477f91c3e40a2ecf77fde5f013b5fcbb25e89255b02cfdb22d854671c782b8947f1

  • SSDEEP

    49152:MQ9Gk4MfjNPvvD6S4RGuxYc9i24+6Vn5hPGwpE3C:MQcRMfISi+oid/VLPGwpE3C

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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fb68d14f5df72f3beef9deb488debf2292e31cf7bada4bf1f0b98d0be64f82aN.exe
    "C:\Users\Admin\AppData\Local\Temp\0fb68d14f5df72f3beef9deb488debf2292e31cf7bada4bf1f0b98d0be64f82aN.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:4316
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0fb68d14f5df72f3beef9deb488debf2292e31cf7bada4bf1f0b98d0be64f82aN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0fb68d14f5df72f3beef9deb488debf2292e31cf7bada4bf1f0b98d0be64f82aN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4800

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\0fb68d14f5df72f3beef9deb488debf2292e31cf7bada4bf1f0b98d0be64f82aN.exe

    Filesize

    2.2MB

    MD5

    8b04765c65db0757cdb27d5123e4eb3f

    SHA1

    aaf7e2d064226732f73bc81dc3c0a56eeccd7784

    SHA256

    ff2755d17b3e2e675ff9a155d5a95ded2e03dec4a79efa211b2e45de962dad39

    SHA512

    cb831bb3551bf24854f3cb51998c32a8dd3a3e736066ca9e7bd281f9c8a1eefe018f20be9b6ddc24424a20e174dfd379baec0f72e7c07144ce6575636d08c16a

  • C:\Users\Admin\AppData\Local\Temp\3582-490\Archivos\Opciones.RTV

    Filesize

    68B

    MD5

    4e379a71197f95914718ef3b4a670159

    SHA1

    1608f2b860f9b7d7128513d1d3054e5d4442afee

    SHA256

    2d7f9a49fa8a33d3a9d6cdf118a4a8e75c793ace752362a775ee5742fe09fec6

    SHA512

    1de93c0d1fcab00bcc2f3c2b6b3cf5a952e0c39258a8fbaab75ab08f9866958db443de681b475c3b286a354bb2f33e7401af3ea800d6c2c7e15d72636b15b9bd

  • C:\Users\Admin\AppData\Local\Temp\3582-490\Archivos\Opciones.RTV

    Filesize

    140B

    MD5

    ff50bfc27584ca255371cfcf033fd980

    SHA1

    3a3da67f176184b9d5a641f8ea595b351a3c0d34

    SHA256

    f5c4d44ff8313974053a5baed78012588c1947bf5229720ebf5dea8cfa944ac0

    SHA512

    0e26af44268f0753c68651f5c072f99bcb42355d1912e887af2c9dfb0bd38791d7b2bed0cb0797d76a406ee5d9cb14c5e6740291e415ef7a5a823eb847bc2125

  • C:\Users\Admin\AppData\Local\Temp\3582-490\Archivos\Opciones.RTV

    Filesize

    324B

    MD5

    4ac27152f821c85dd538ad833613c404

    SHA1

    96b9ad28114e9b19d5219b226db4c99ed6fc8584

    SHA256

    2e598e08cbd7cca2e49cf79d0f6e1ae7f7c1b2c341036304e8dce6732a81ef1b

    SHA512

    db1af0653fcf853741c5e75cd6cac81f536d928297b10306c47847b47e0caeb2606c3034faff672972170edf36cf62b8f09d85112ab907b415391d3895d33945

  • C:\Users\Admin\AppData\Local\Temp\3582-490\Archivos\Opciones.RTV

    Filesize

    354B

    MD5

    19d7383d8b4d7d7b127c328c7c73f130

    SHA1

    73b44b58d7d8c9831b7e54c54680e355133ab579

    SHA256

    80f800361b6474c7032ce3bd7ce14cc21514efac5e1b6b0d21cd468ac31ec974

    SHA512

    49fb15958df3b21d99a7deb9602bbea3b44488a228fed2cc4a42d9a88eec2a93f2c5281a40d8ff0f16bd13b0fe0db950fbaaf47d14c02471d609c5037d628909

  • memory/4316-172-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4316-170-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4316-166-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4800-16-0x0000000005990000-0x0000000005A22000-memory.dmp

    Filesize

    584KB

  • memory/4800-15-0x0000000005EA0000-0x0000000006444000-memory.dmp

    Filesize

    5.6MB

  • memory/4800-19-0x00000000731F0000-0x00000000739A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-46-0x000000000A430000-0x000000000A43A000-memory.dmp

    Filesize

    40KB

  • memory/4800-47-0x000000000A460000-0x000000000A472000-memory.dmp

    Filesize

    72KB

  • memory/4800-17-0x0000000005960000-0x000000000596A000-memory.dmp

    Filesize

    40KB

  • memory/4800-18-0x0000000005BB0000-0x0000000005C06000-memory.dmp

    Filesize

    344KB

  • memory/4800-34-0x00000000731F0000-0x00000000739A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-14-0x0000000005850000-0x00000000058EC000-memory.dmp

    Filesize

    624KB

  • memory/4800-167-0x00000000731FE000-0x00000000731FF000-memory.dmp

    Filesize

    4KB

  • memory/4800-168-0x00000000731F0000-0x00000000739A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-169-0x00000000731F0000-0x00000000739A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-13-0x0000000000C90000-0x0000000000EBE000-memory.dmp

    Filesize

    2.2MB

  • memory/4800-12-0x00000000731FE000-0x00000000731FF000-memory.dmp

    Filesize

    4KB