Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-02-2025 00:17

General

  • Target

    6b74da4225eb2f302b33369b4f8e0be615eb9d8955e87251b4454083df971e03.exe

  • Size

    146KB

  • MD5

    1823e892a05eb666aa0b9bb3315194fc

  • SHA1

    59f393506ade6faa195398557e9b813b9eb37f7d

  • SHA256

    6b74da4225eb2f302b33369b4f8e0be615eb9d8955e87251b4454083df971e03

  • SHA512

    f17d9786631f6bfe43605ffc4fb5409927477647c604860eb3a280282cc4d3a30e2435ddebb8014a4567d44f48a48001db87190a7042d38581cb235151cd667f

  • SSDEEP

    3072:sr85CkkbAYn2GgYlBYN2fHYTo+Dxt8wDSRUTT:k9xbAMpgY3gTv8DRUTT

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\6b74da4225eb2f302b33369b4f8e0be615eb9d8955e87251b4454083df971e03.exe
    "C:\Users\Admin\AppData\Local\Temp\6b74da4225eb2f302b33369b4f8e0be615eb9d8955e87251b4454083df971e03.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:2400
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6b74da4225eb2f302b33369b4f8e0be615eb9d8955e87251b4454083df971e03.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6b74da4225eb2f302b33369b4f8e0be615eb9d8955e87251b4454083df971e03.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

  • \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\6b74da4225eb2f302b33369b4f8e0be615eb9d8955e87251b4454083df971e03.exe

    Filesize

    105KB

    MD5

    3ac470d2d5b98646bf8e6f52fe5205c7

    SHA1

    b679b4542d8971be04dcbede30c5501b1cca0f8e

    SHA256

    a4bd074d862ce4666dbd034b0f1bc930a9c38f794623c7f4648d17eaa460149c

    SHA512

    c2c4e4079f954482d8795fefb6df9d19a000adecd28bba7541982908c41be8b3f729ba3b3871adfd53575c489acc8ac727d74616150c67e02f389698852af79b

  • memory/2400-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2400-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB