Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2024, 21:22

General

  • Target

    030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe

  • Size

    280KB

  • MD5

    90888e682069c4fa6507bbac46ce4fd0

  • SHA1

    aab77752eef562084a6e3393020cc0fe9495e017

  • SHA256

    030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925

  • SHA512

    5a944233d8a469c2c9d88a7f95e3c62edf07431570124c86edafe3c9d082fe2717e563c420e333b4fff99af8a9682f49e0723cf5dbea2d80120f0c08befd49de

  • SSDEEP

    6144:k9GD0G2JlkbYZiDimNBDSJGsyvWVIvoGr14pssvBbgGX1zd:dD0G2JlkYiDTNBDSJGsyvWVIvoGr14pl

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 3 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 use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe
    "C:\Users\Admin\AppData\Local\Temp\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.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:1644
    • C:\Users\Admin\AppData\Local\Temp\3582-490\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • \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\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe

    Filesize

    240KB

    MD5

    595bd6b98d57979b7cd57cc7cc0be98e

    SHA1

    e0436659489b16810fd997e72bb4f9c969cd5fa5

    SHA256

    ca7ad62979475cada8c84bd05302c4da3e74efe19740aa291859856ec3e7ca1f

    SHA512

    156ac27bca0cc3332cf118d3d64c84085aafc336d523673032636e00022619270a650e8524f3c434a81b481262fdd59ea55cf7dbf764bc25411253f5084982be

  • memory/1644-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1644-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB