Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 17:31

General

  • Target

    3a291a5dec2c05af1af47878729957f01157f3ab50e4303cff811341a20f99f3N.exe

  • Size

    203KB

  • MD5

    35d64cdad330172fe6881f9732ad8f10

  • SHA1

    54c6d6aa834cb8932644c3e4bc7568b251f2243a

  • SHA256

    3a291a5dec2c05af1af47878729957f01157f3ab50e4303cff811341a20f99f3

  • SHA512

    800b7a47666081e6776c5f63ba9064e01ad012976224c610a4af83d0b41f967009c3cc2f8aabf3af7c10826c1b4bdfe550a1249dd985800eedbe5faecce4eaf4

  • SSDEEP

    3072:sr85Cw8RXwMsPaV1t+CNJNBwXXyZuVo9f9vZDe4L8R9b31ic2BX/:k9H1w5P21t+C7ZZFf9vZiJV31ic2BP

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
  • 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\3a291a5dec2c05af1af47878729957f01157f3ab50e4303cff811341a20f99f3N.exe
    "C:\Users\Admin\AppData\Local\Temp\3a291a5dec2c05af1af47878729957f01157f3ab50e4303cff811341a20f99f3N.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:2532

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

  • memory/2532-80-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2532-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB