Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 05:11

General

  • Target

    f367860c908b2267f346d1150b3ccbea34a6e835b6bb7206dd62b060d8d241f8.exe

  • Size

    460KB

  • MD5

    8ce22d0ab57a69ed9b2871350f1a983f

  • SHA1

    dd7b6f52e8d6da43ad4ad04a516e2d99b8fb31e5

  • SHA256

    f367860c908b2267f346d1150b3ccbea34a6e835b6bb7206dd62b060d8d241f8

  • SHA512

    42f19e3b956f824a7e8cb1898dada7b73d07869bc7e9035d7a56ced941d0baf087e849c48d73675f05ee9a2bdfaaa620adbd98104af56093e5d61b623155749d

  • SSDEEP

    12288:Y4LlYXzBviE42H6R6qtZqyyRNCQ8tyBeccXuOO4H:VSzBbzaRTtIB7UxVH

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Detected Nirsoft tools 1 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 2 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\f367860c908b2267f346d1150b3ccbea34a6e835b6bb7206dd62b060d8d241f8.exe
    "C:\Users\Admin\AppData\Local\Temp\f367860c908b2267f346d1150b3ccbea34a6e835b6bb7206dd62b060d8d241f8.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:2380
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f367860c908b2267f346d1150b3ccbea34a6e835b6bb7206dd62b060d8d241f8.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f367860c908b2267f346d1150b3ccbea34a6e835b6bb7206dd62b060d8d241f8.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    d30b36247185a670852f45098eb9a8e6

    SHA1

    f37447d3b870174444e0834bd13629fc9804e6f2

    SHA256

    e57de7cf83c9f5dc4810d748b3907f65f2909eb6391c140ed0b049c452f7d270

    SHA512

    d1100b0403e95b035e66841db8a64a710a5f7f1b984f51089259468a21ef7696d65e7a3e84b2f774b000c8016eead784810b336455fc9cd7b6663ebf9abb433b

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f367860c908b2267f346d1150b3ccbea34a6e835b6bb7206dd62b060d8d241f8.exe

    Filesize

    419KB

    MD5

    9d56ff2e04ffe7efa5a054485128e516

    SHA1

    82805aa0bd397aa2b0f58a90f082544e24ead861

    SHA256

    7fd931caa2dad980647dfa888f68cedf5fbde83b61d60c3634082169c562d0b3

    SHA512

    ab8ca73a904f46184aa2f15a639c6a3c1d4885c47ede8f987015d0c29b36f7723be680c6b7c108b40c92715b23582a46d7e4020f5fcbe06cdea4915cc21763ef

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2076-15-0x0000000000400000-0x000000000052D000-memory.dmp

    Filesize

    1.2MB

  • memory/2076-92-0x0000000000400000-0x000000000052D000-memory.dmp

    Filesize

    1.2MB

  • memory/2380-10-0x0000000002580000-0x00000000026AD000-memory.dmp

    Filesize

    1.2MB

  • memory/2380-88-0x0000000002580000-0x00000000026AD000-memory.dmp

    Filesize

    1.2MB

  • memory/2380-89-0x0000000002580000-0x00000000026AD000-memory.dmp

    Filesize

    1.2MB

  • memory/2380-90-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2380-94-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB