Analysis

  • max time kernel
    168s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 09:53

General

  • Target

    46982ffcb702f90d0c9017c982c631b6bd7eb128af66a305bb48a3663832a075.exe

  • Size

    1.2MB

  • MD5

    3f25111dbeb278568ab8c2e9f6759ab4

  • SHA1

    676e7fb231234957e3e61c634e68a4ded64ee2bc

  • SHA256

    46982ffcb702f90d0c9017c982c631b6bd7eb128af66a305bb48a3663832a075

  • SHA512

    8d05dfe1ff7e91916364c9ed56c258d01b7af8007bb8ffe17015179e6ec5bf5c5fc53fa0e3db9d00ae6df6f5b22f78b5285aebe383e973cece0beae079c14675

  • SSDEEP

    24576:odkhseUYQ6WEtCSSIHNZOLCvMCYmqTb77/gtt4q9aMBdl:kkuenQ6W1HWNZ7vMSqTb7LiRdl

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46982ffcb702f90d0c9017c982c631b6bd7eb128af66a305bb48a3663832a075.exe
    "C:\Users\Admin\AppData\Local\Temp\46982ffcb702f90d0c9017c982c631b6bd7eb128af66a305bb48a3663832a075.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Users\Admin\AppData\Local\Temp\3582-490\46982ffcb702f90d0c9017c982c631b6bd7eb128af66a305bb48a3663832a075.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\46982ffcb702f90d0c9017c982c631b6bd7eb128af66a305bb48a3663832a075.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1120

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\46982ffcb702f90d0c9017c982c631b6bd7eb128af66a305bb48a3663832a075.exe
    Filesize

    1.1MB

    MD5

    d8b30d4c4dbc07b11573481b58adcd4b

    SHA1

    38d643ded3b34851884c0c55fbf7ea2bf5c52f9f

    SHA256

    d761d571bb4dcf5164484f3b573fe1c420444c77176f14d52ae5909d02360c75

    SHA512

    57de5115b8989e8589ce355cc6ffdc74c51ec3d12f68f6cfd53472146c36684b89b9853dce0f2fc8cf82b040ffa76e838f1608b1fd18beac645037cb219b2f07

  • C:\Users\Admin\AppData\Local\Temp\3582-490\46982ffcb702f90d0c9017c982c631b6bd7eb128af66a305bb48a3663832a075.exe
    Filesize

    1.1MB

    MD5

    d8b30d4c4dbc07b11573481b58adcd4b

    SHA1

    38d643ded3b34851884c0c55fbf7ea2bf5c52f9f

    SHA256

    d761d571bb4dcf5164484f3b573fe1c420444c77176f14d52ae5909d02360c75

    SHA512

    57de5115b8989e8589ce355cc6ffdc74c51ec3d12f68f6cfd53472146c36684b89b9853dce0f2fc8cf82b040ffa76e838f1608b1fd18beac645037cb219b2f07

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

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\46982ffcb702f90d0c9017c982c631b6bd7eb128af66a305bb48a3663832a075.exe
    Filesize

    1.1MB

    MD5

    d8b30d4c4dbc07b11573481b58adcd4b

    SHA1

    38d643ded3b34851884c0c55fbf7ea2bf5c52f9f

    SHA256

    d761d571bb4dcf5164484f3b573fe1c420444c77176f14d52ae5909d02360c75

    SHA512

    57de5115b8989e8589ce355cc6ffdc74c51ec3d12f68f6cfd53472146c36684b89b9853dce0f2fc8cf82b040ffa76e838f1608b1fd18beac645037cb219b2f07

  • memory/892-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
    Filesize

    8KB

  • memory/892-56-0x0000000002750000-0x0000000002A7B000-memory.dmp
    Filesize

    3.2MB

  • memory/1120-57-0x0000000000000000-mapping.dmp
  • memory/1120-61-0x0000000000400000-0x000000000072B000-memory.dmp
    Filesize

    3.2MB

  • memory/1120-63-0x0000000000400000-0x000000000072B000-memory.dmp
    Filesize

    3.2MB

  • memory/1120-64-0x0000000074821000-0x0000000074823000-memory.dmp
    Filesize

    8KB