Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 20:28

General

  • Target

    25452d0e38a610e685c8c5559684be53445cfe3986a9c984d5f988beca806ccb.exe

  • Size

    105KB

  • MD5

    4a03351e44e7bd1e5bb7f1e8b5859317

  • SHA1

    87ecfe93eb05ba874b3177ab488b158146742c9a

  • SHA256

    25452d0e38a610e685c8c5559684be53445cfe3986a9c984d5f988beca806ccb

  • SHA512

    d48e0dce5d2c32cb3e45c3b1a10f3426286eaafb689519e6b4bf6e2070619577868425c2b881e102214627d9e7233524e557d959efada3efb89e54baf954e2a2

  • SSDEEP

    768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJpH70qvurgQmHLU0YJxzUNaaGyXDGA/J:JxqjQ+P04wsmJCEk8rUvz8Gw5HuChF

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 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25452d0e38a610e685c8c5559684be53445cfe3986a9c984d5f988beca806ccb.exe
    "C:\Users\Admin\AppData\Local\Temp\25452d0e38a610e685c8c5559684be53445cfe3986a9c984d5f988beca806ccb.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:2100
    • C:\Users\Admin\AppData\Local\Temp\3582-490\25452d0e38a610e685c8c5559684be53445cfe3986a9c984d5f988beca806ccb.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\25452d0e38a610e685c8c5559684be53445cfe3986a9c984d5f988beca806ccb.exe"
      2⤵
      • Executes dropped EXE
      PID:828

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

  • \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\25452d0e38a610e685c8c5559684be53445cfe3986a9c984d5f988beca806ccb.exe

    Filesize

    64KB

    MD5

    2cd6c1b2969dbfca388705d5bc797ab1

    SHA1

    7d725d143a9b9e45704795995ea6c5401bb54ac9

    SHA256

    de3268d85064887bc0f378c73d13d08201036a8c8d077250812b445931ff3adb

    SHA512

    8d2936c021339da0f4e7e7476c4be5d003173aa6d98042e379b801ee6f27d8c0091ac798b668f76ad9cc44353c120726eda6df923687221c0cb9750a371cdaec

  • memory/2100-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2100-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB