Windows 7 deprecation

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

Analysis

  • max time kernel
    92s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2024, 06:34

General

  • Target

    bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe

  • Size

    889KB

  • MD5

    474266bc033b8e2a5c5ba5e3401654e0

  • SHA1

    209449bf991617f0cbfff1dc13aed5526aeb019e

  • SHA256

    bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33

  • SHA512

    016c395aa3fcc138ac686dea72065337d6a546a8224617fb33cade4eb82245a2950dcfd3e02860ece2a0300fc83d0d3a20590b8de38bbe10bbdd15cbd7759927

  • SSDEEP

    24576:WgcTNFhhpPhcLKrlJLxdloxADMSjZqXZL3FTmv1T:QTzzpPhaCLOqtjZObk

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • 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.

  • NSIS installer 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe
    "C:\Users\Admin\AppData\Local\Temp\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe"
    1⤵
    • Checks computer location settings
    • 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:2624
    • C:\Users\Admin\AppData\Local\Temp\3582-490\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:2888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe

    Filesize

    849KB

    MD5

    e88af3cff30419550548facfc136875a

    SHA1

    7c9283984d27668f4c42cedcab8d77004abcc5c2

    SHA256

    a0cc8032f85cbcee1618cc41f0d5cb6cc9e45774d2fda9701cc6b6c87f758987

    SHA512

    e9d4176af49c17fb0df520a0cf2371e23b84b9c28a0bfcd487f15fee3abf75d4db1f8614cc7d66d25700ae52a04dbe18cd54c5cc7caa0c041cee102c8d96b479

  • C:\Users\Admin\AppData\Local\Temp\nskD1F8.tmp\InstallOptions.dll

    Filesize

    14KB

    MD5

    d753362649aecd60ff434adf171a4e7f

    SHA1

    3b752ad064e06e21822c8958ae22e9a6bb8cf3d0

    SHA256

    8f24c6cf0b06d18f3c07e7bfca4e92afce71834663746cfaa9ddf52a25d5c586

    SHA512

    41bf41add275867553fa3bd8835cd7e2a2a362a2d5670ccbfad23700448bad9fe0f577fb6ee9d4eb81dfc10d463b325b8a873fe5912eb580936d4ad96587aa6d

  • C:\Users\Admin\AppData\Local\Temp\nskD1F8.tmp\System.dll

    Filesize

    10KB

    MD5

    56a321bd011112ec5d8a32b2f6fd3231

    SHA1

    df20e3a35a1636de64df5290ae5e4e7572447f78

    SHA256

    bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

    SHA512

    5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

  • C:\Users\Admin\AppData\Local\Temp\nskD1F8.tmp\options.ini

    Filesize

    1KB

    MD5

    304bfc6c43e6872ac972e09f1710237e

    SHA1

    875e01cbf84864e6c436046929b3ef5c7de0780a

    SHA256

    1052654fc1421ca10043e4088b3c2eaa5443fc363803c6f4817792d7b88958ee

    SHA512

    8f02b0d66bfd5ef36bef01a7c7d4613ef401528ffacd5e98c95b9b2dc60738319ba4bb231301b177888116a091f506df29f62d846846a558b860e9dcd739c5b0

  • C:\Users\Admin\AppData\Local\Temp\nskD1F8.tmp\options.ini

    Filesize

    1KB

    MD5

    faca7dfddff55039a72f325695ebebd9

    SHA1

    58b27ef8084ab4843700626cec26c3a4699af24c

    SHA256

    4593655e95238aeb4000b08b92dd24e92305052eb4cf0ffcde75dba88a156f4a

    SHA512

    9100a881b1caddb563b1c52878dfed9d3e796ddf1e6a4253e6c26a8d6dda8b927a1efde508d1769b4e0a71f27b562feb6bef7d8424fad8ba387cf5003baa9b90

  • C:\Users\Admin\AppData\Local\Temp\nskD1F8.tmp\options.ini

    Filesize

    1KB

    MD5

    c72ae59e79cc95a82fe010a26810e440

    SHA1

    60cd95ba0620d47d9439ad69c812c95a9ddd5291

    SHA256

    387ffe761caead5cbd80cae7fdce630521a4d0ccd982a10e37493763db838949

    SHA512

    f698bb181d561a0e4afa57e59927e4a10f6e5fa29cf1e65b252134efd6dcb8d46ceca1d49e2bb305cecd164180fb2cfef51936e82909393f13747f1fc93ba204

  • memory/2624-207-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2624-208-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2624-210-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB