Analysis

  • max time kernel
    18s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 3 IoCs
  • Neshta

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

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fb68d14f5df72f3beef9deb488debf2292e31cf7bada4bf1f0b98d0be64f82aN.exe
    "C:\Users\Admin\AppData\Local\Temp\0fb68d14f5df72f3beef9deb488debf2292e31cf7bada4bf1f0b98d0be64f82aN.exe"
    1⤵
    • Loads dropped DLL
    • 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:2380
    • 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:1312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • 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

    354B

    MD5

    19d7383d8b4d7d7b127c328c7c73f130

    SHA1

    73b44b58d7d8c9831b7e54c54680e355133ab579

    SHA256

    80f800361b6474c7032ce3bd7ce14cc21514efac5e1b6b0d21cd468ac31ec974

    SHA512

    49fb15958df3b21d99a7deb9602bbea3b44488a228fed2cc4a42d9a88eec2a93f2c5281a40d8ff0f16bd13b0fe0db950fbaaf47d14c02471d609c5037d628909

  • 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

    300B

    MD5

    dfb990977d979a38e4cb6d2d9a2122d6

    SHA1

    dc61113e35a878f11c53b5b101cbaf5bb983c41e

    SHA256

    2cd7b90a6875b22c6bbec5d911459ac12f767bdfe351da2e715c250e8d304e7b

    SHA512

    124f942383dae6edfcc80e99b71a62f7344444c10e289aad91aaf14c9d410d7d263cb401c6e8a7808635590618e1d9e23895a36ad97a38afb1ea3ceea386e549

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1312-14-0x0000000073C60000-0x000000007434E000-memory.dmp

    Filesize

    6.9MB

  • memory/1312-49-0x0000000073C60000-0x000000007434E000-memory.dmp

    Filesize

    6.9MB

  • memory/1312-13-0x00000000009D0000-0x0000000000BFE000-memory.dmp

    Filesize

    2.2MB

  • memory/1312-12-0x0000000073C6E000-0x0000000073C6F000-memory.dmp

    Filesize

    4KB

  • memory/1312-107-0x0000000073C60000-0x000000007434E000-memory.dmp

    Filesize

    6.9MB

  • memory/1312-149-0x0000000073C6E000-0x0000000073C6F000-memory.dmp

    Filesize

    4KB

  • memory/1312-151-0x0000000073C60000-0x000000007434E000-memory.dmp

    Filesize

    6.9MB

  • memory/1312-152-0x0000000073C60000-0x000000007434E000-memory.dmp

    Filesize

    6.9MB

  • memory/1312-153-0x0000000073C60000-0x000000007434E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-150-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2380-155-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB