Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 10:20

General

  • Target

    ba0312bdc6046a67258d8943c702aed3a75a5783206c0afac52bc8750a074c2dN.exe

  • Size

    1.1MB

  • MD5

    c231b433fbfacfead14bb5de8523a2d0

  • SHA1

    33ea6799033349753fd05fa17801301e680806b4

  • SHA256

    ba0312bdc6046a67258d8943c702aed3a75a5783206c0afac52bc8750a074c2d

  • SHA512

    351aa43e0348a6f765b6eafdeb84e5cc963cb1f727ad90b7127fd8be36ee7394cacb84fb14509037f3cd7812f12daf645ff31bf50502d07afff24154b431a2ad

  • SSDEEP

    24576:vP/2prmxQFLaiXuEPDRdOATHJsv6tWKFdu9C8azTLUsW:+RRPDbJsv6tWKFdu9CZTAZ

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\ba0312bdc6046a67258d8943c702aed3a75a5783206c0afac52bc8750a074c2dN.exe
    "C:\Users\Admin\AppData\Local\Temp\ba0312bdc6046a67258d8943c702aed3a75a5783206c0afac52bc8750a074c2dN.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:2612
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ba0312bdc6046a67258d8943c702aed3a75a5783206c0afac52bc8750a074c2dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ba0312bdc6046a67258d8943c702aed3a75a5783206c0afac52bc8750a074c2dN.exe"
      2⤵
      • Executes dropped EXE
      PID:2912

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\ba0312bdc6046a67258d8943c702aed3a75a5783206c0afac52bc8750a074c2dN.exe

    Filesize

    1.0MB

    MD5

    3e06bb5f3841adde34c864602d3db2b2

    SHA1

    711a9c1010ac001fc4af754875ebb6dd52911824

    SHA256

    89274f9c5bafd0245097d6ca6dbf9123719597819855858cbf07612d5374ac2e

    SHA512

    8bf507852ed5201a12223fb96df97ee0d658c2bea82fc16cae2c7f7f17942765a1f9b903156234f07606490dd1a78d15f45e4b876530505f821c26aae6d4cb5e

  • memory/2612-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2612-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB