Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-11-2024 01:39

General

  • Target

    b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

  • Size

    223KB

  • MD5

    41884f63add38b5d09ad352c471feb20

  • SHA1

    978d51163a3415ab4f27781184302c98d23172c4

  • SHA256

    b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863

  • SHA512

    2cffd7ec6b46373aafd802731fb56598283d861f3f9a96b4a05991716c900119cf812ea94ff062c995446cd57833a03dc73c48cb26205a5eea5d12923c764526

  • SSDEEP

    3072:sr85CYo3hcEuY5KTe/E+EyesA8aNCyLv2NdMTXWZRJN+di66:k9IEuOE+EyJHaNCyjwv+d76

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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
    "C:\Users\Admin\AppData\Local\Temp\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.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
    PID:840
    • C:\Users\Admin\AppData\Local\Temp\3582-490\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe"
      2⤵
      • Executes dropped EXE
      PID:2396

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\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

    Filesize

    183KB

    MD5

    bab2fa70a8548fd706683e9c330dbce7

    SHA1

    03b8311c24fce33614932f0c57808f2c47c50001

    SHA256

    8b3b9ddde5ee2221580ee64ea40eac12f8fa0c0301ad280d1d3c088084eee10d

    SHA512

    3a49e66163d4e0e3e256d6ea2ceee8f476a830ab99c95bcae25aebb6c7414049dde04777449a34c7e51b15911c54143df1e7577683d729638475f1a0966385bf

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/840-81-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/840-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB