Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 22:09

General

  • Target

    5026058ed91ce2de0b5fcb498e24bf89f7785a99a79b0b5e8be813466f9a396b.exe

  • Size

    325KB

  • MD5

    aed2798ddbacdc8ea89ba7ee7df37eab

  • SHA1

    04bd0f49dd14c62c1d728d3a186c6ee5890e192e

  • SHA256

    5026058ed91ce2de0b5fcb498e24bf89f7785a99a79b0b5e8be813466f9a396b

  • SHA512

    5944465c03f0ad099b96e2e35a857f78df84bc1a947734280b457280beca36f8799b6e0fe281aaff7c8b1c4140e4e35058636b417ff6f9dc045a2178911ab37d

  • SSDEEP

    3072:sr85Cp5AHIAKdOmrcMRDUBHOUkXywCrOFnQrGnY/NDJZG87oW6V6yxdTIrYrtzU:k9pBnnN0yy9rOFnQSnY/bf7oW69TIrc6

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\5026058ed91ce2de0b5fcb498e24bf89f7785a99a79b0b5e8be813466f9a396b.exe
    "C:\Users\Admin\AppData\Local\Temp\5026058ed91ce2de0b5fcb498e24bf89f7785a99a79b0b5e8be813466f9a396b.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:2056
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5026058ed91ce2de0b5fcb498e24bf89f7785a99a79b0b5e8be813466f9a396b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5026058ed91ce2de0b5fcb498e24bf89f7785a99a79b0b5e8be813466f9a396b.exe"
      2⤵
      • Executes dropped EXE
      PID:2696

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\5026058ed91ce2de0b5fcb498e24bf89f7785a99a79b0b5e8be813466f9a396b.exe

    Filesize

    284KB

    MD5

    216d0466cbbbed89abf1c0256c24b35d

    SHA1

    639d7fd6ee530d7f65d93d39e3df37e8f8c758cd

    SHA256

    52aecde2cda2152e9711d6a461b91668dd7ca84e61be46b6857b8bf4c7eeee38

    SHA512

    fbdd61b4044cb8ff89ef836a9e736242e174f1ab38c9a61479ae77b305b6b45142dff11e565ddd7c912a2a33faca28c3e99fd3625e61cc8fe8ddb5275bcb97a0

  • memory/2056-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2056-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB