Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2024, 03:02

General

  • Target

    b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe

  • Size

    3.1MB

  • MD5

    6a9617db3cf482788d7b5bc8b1096051

  • SHA1

    dc8677f30538ad417d76df55a6ec46db940fa84b

  • SHA256

    b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66

  • SHA512

    5d9f68318b78786c5cabc3e159ade11749cb4e9b6f8af81cb69c13a6431f07ef149f8e7c17e881fb59417aaa59986016cdd52f8236fbe1fcad994d45dd0c71e3

  • SSDEEP

    98304:/MHcPfjSlwSeNKuxDFL0hQNFqyQGaMrmhwJttwjEX2BsqEHuy2t0rJx48x64D:/MHcPmlwSeNKuxDFL0hQNFqyQGaMrmh+

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
  • 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\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
    "C:\Users\Admin\AppData\Local\Temp\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.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:3056
    • C:\Users\Admin\AppData\Local\Temp\3582-490\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe"
      2⤵
      • Executes dropped EXE
      PID:1076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

    Filesize

    859KB

    MD5

    754309b7b83050a50768236ee966224f

    SHA1

    10ed7efc2e594417ddeb00a42deb8fd9f804ed53

    SHA256

    acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

    SHA512

    e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

  • C:\Users\Admin\AppData\Local\Temp\3582-490\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe

    Filesize

    3.0MB

    MD5

    9043ef791b6846973f07ed96a79dbb2b

    SHA1

    4592c62cc6e6e04327719965e45af61e4f884547

    SHA256

    7bd528732627614de252c3bcf78d42159e8a1d0619fe4383aeda829ac5c0e384

    SHA512

    81b1114cef2d1d79efe610e9687a53854f71f2d537df3efc0d415e960b14915a8201b89dd080fc579cae62b96283025b20560832571d55848071fd5f3a206414

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/3056-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3056-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB