Analysis

  • max time kernel
    16s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 19:31

General

  • Target

    0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe

  • Size

    274KB

  • MD5

    f34219d4ae83bb81763240b87fd51b8b

  • SHA1

    40d9ce70c733641837b39824186b4e8282998023

  • SHA256

    0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1

  • SHA512

    594eac4c41a52e33950ba384bf86ad650c363b23c7565588f71ac406850feb1751cda1b877b552bda3d1061bd678001e0568b2b0c9983761c2c871e94ae1f002

  • SSDEEP

    6144:k9ZeUjrk4Td+ng/pYA/J0QlaMo0vLpuuhLr:8eUHPUGAuaE9uCLr

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\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe
    "C:\Users\Admin\AppData\Local\Temp\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.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:2052
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe"
      2⤵
      • Executes dropped EXE
      PID:2040

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\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe

    Filesize

    233KB

    MD5

    11c1644206c1886486f3c7ae259280cd

    SHA1

    0866f4b9402d4175e5385e0760be6a5144a6ff71

    SHA256

    9efec0c31ccd2afa441610f7a38009a8c1c284495b948234f226cd3a51aedd53

    SHA512

    65380a148f8b53f4f7ef6fe551f4dfa7d0781849ce63501c52c7d3ce514e9479a6b17066fdcaac493eb399b9c28c43377d6372640aeabb38786ec2d2532db3ea

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2052-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2052-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB