Analysis

  • max time kernel
    119s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2024, 00:32

General

  • Target

    9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe

  • Size

    133KB

  • MD5

    ae9193f1fd1480d4ccac8b35b865a8eb

  • SHA1

    4fff768b6f426f1e9669de243e2c8f699bb4b9c1

  • SHA256

    9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030

  • SHA512

    ca382057ed87293fe4302f1a1e7644cd2bcf15afa781636b63ff47b73e05741e9b2a5c24f2b275ffc4f3fe21ebd014da3fae7d4e9fc66db64a291b18e66df5ac

  • SSDEEP

    1536:JxqjQ+P04wsmJCe2m6Q3BXFhigvVBXLYXzXwl4ePGVBXLYXzXwl4ePZAFN0F:sr85Ce171tB8DApaB8DApIN0F

Malware Config

Signatures

  • Detect Neshta payload 6 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
  • 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe
    "C:\Users\Admin\AppData\Local\Temp\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.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:2128
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 404
        3⤵
          PID:2880

    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

    • C:\Users\Admin\AppData\Local\Temp\3582-490\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe

      Filesize

      92KB

      MD5

      dba8b1f4ec98308aeffe820a35448580

      SHA1

      e97eb82de515dc2a62b68ce8bb19d0a2e7843376

      SHA256

      38e7bae353cb9b7d38929f438bf3ae3a6ff651dd29da62da781558100ba4802e

      SHA512

      288f774bc92fb3d8e9b34aa35553eaf1b0a5bf2c3a98bc34cc48afa07f8f3bf4968972dbf5029fada680c6c71954e3dc2337e4fd566b4c9923ef0f0e1a02bdb7

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

      Filesize

      252KB

      MD5

      9e2b9928c89a9d0da1d3e8f4bd96afa7

      SHA1

      ec66cda99f44b62470c6930e5afda061579cde35

      SHA256

      8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

      SHA512

      2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

    • memory/2128-89-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2128-88-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2128-90-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2128-91-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2128-93-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2880-14-0x0000000000270000-0x0000000000271000-memory.dmp

      Filesize

      4KB

    • memory/2944-13-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2944-12-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2944-87-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2944-11-0x000007FEF581E000-0x000007FEF581F000-memory.dmp

      Filesize

      4KB