Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2024 05:21

General

  • Target

    c6890bbc7ae00550ecca9a0a12580a2bacf1e004d5ed3762bff8bde8f593a7ca.exe

  • Size

    9.5MB

  • MD5

    585cf55db486c0254fc9bf394ed0dd9d

  • SHA1

    48a5a3961872a8c5a60cef4b3d56ed982a0c0cfb

  • SHA256

    c6890bbc7ae00550ecca9a0a12580a2bacf1e004d5ed3762bff8bde8f593a7ca

  • SHA512

    13dd2d1b8cace6c9debbdd7286d1cfe7155f67fccf7acefdeec08af822adb28fd7ad8eac06e7d1cfadad629cc77ac9df88bb4fa974980d5c612e4d5e8ad93be1

  • SSDEEP

    196608:ch98zU70RQAW4uEGg+kWIOUGwwSlXd9BSLVwcoHIpuNmzkiLOYLmWtOhZyoQeh+L:e8zUUd9BaZGIUNmzzLOYLmWsjdno

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.

  • 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\c6890bbc7ae00550ecca9a0a12580a2bacf1e004d5ed3762bff8bde8f593a7ca.exe
    "C:\Users\Admin\AppData\Local\Temp\c6890bbc7ae00550ecca9a0a12580a2bacf1e004d5ed3762bff8bde8f593a7ca.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:2528
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c6890bbc7ae00550ecca9a0a12580a2bacf1e004d5ed3762bff8bde8f593a7ca.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c6890bbc7ae00550ecca9a0a12580a2bacf1e004d5ed3762bff8bde8f593a7ca.exe"
      2⤵
      • Executes dropped EXE
      PID:2380

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\c6890bbc7ae00550ecca9a0a12580a2bacf1e004d5ed3762bff8bde8f593a7ca.exe

    Filesize

    9.5MB

    MD5

    fc0a9e855c3555012b4f47dca1a7cc3d

    SHA1

    09de8ab3915c61c479d461c6705ec7b541c0eb55

    SHA256

    ad90446fd8195e191d5623c18e9d16a73e1965f6026fb44a6b51b6eaec5b474f

    SHA512

    c8dca65995bcc04f814d968ac22cf15cc4dd0a028869c1ed218e4b12288aab97aff6b9641a5d8f2a74f5e5cd52e427132f54115aee4eded101e474cdaf697053

  • memory/2380-83-0x0000000000400000-0x0000000000DBE000-memory.dmp

    Filesize

    9.7MB

  • memory/2528-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2528-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB