Analysis

  • max time kernel
    76s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 03:58

General

  • Target

    8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe

  • Size

    1.6MB

  • MD5

    d258a2b60f4aa9874707a3d24a0ebc80

  • SHA1

    fabaa48beb2a7a9e4f317a8914ab498ccfe5ea4c

  • SHA256

    8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84

  • SHA512

    94392a0dfb6db31b6c491c5be37aaeeb416bdfc911988602ee6ed955400d2a1d3c4ed885e04bd3eeecc3ec61501a0c65ea71da8d05822984ad6988e60c6c8fae

  • SSDEEP

    6144:k9k375dLGZMzpBrEr3Giehk7QR34rv3K0g6Mmkda3gDi6fHFpvEO0Xhs9wIsO7P9:jR/bsRIi1CkrK

Malware Config

Signatures

  • Detect Neshta payload 2 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\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe
    "C:\Users\Admin\AppData\Local\Temp\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.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:2696
    • C:\Users\Admin\AppData\Local\Temp\3582-490\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe"
      2⤵
      • Executes dropped EXE
      PID:2816

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

  • C:\Users\Admin\AppData\Local\Temp\3582-490\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe

    Filesize

    1.6MB

    MD5

    8d43f6019ab1905326475e82593a49ba

    SHA1

    4e7d118c728aa15f10fe2fdb40af97f7d3cfcd69

    SHA256

    3e00fa6a2282a1524a81667deb96969246e14075797c1f0199d4e38f16bc38f6

    SHA512

    835c85c0dae3cc4c96226d59d18af1beac24af80db1d52434666859496d7299b2216bf531c81fad688ae0527f73c0095220271cd5c6d563a1ac8f4726a84b3b2

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2696-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB