Analysis

  • max time kernel
    118s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 16:14

General

  • Target

    feed4cb58315e9875e378a48e6ca7e34dac90641e3c98afcf9b711a7ff439567N.exe

  • Size

    1.5MB

  • MD5

    7ffec43622614a25d28b521562cbe0f0

  • SHA1

    96aadce25541f1d5f23b650b11e90fc7e4f14f71

  • SHA256

    feed4cb58315e9875e378a48e6ca7e34dac90641e3c98afcf9b711a7ff439567

  • SHA512

    cf9c2d150b6b99897494652f200c53825ba74b71a2ef468eca4ff7b64d7f4e867f47152812ebed63302d0a95f7bd069f381bb783efd82cc3dbe8a4ef1556035d

  • SSDEEP

    24576:RBTZdZY0bYDjAVwMh91DCyDg3Qi7ZBRSZBVCwLToUgbjmnU2WmzMbSmu5EeY/+:Rhnz64fDCMgAid7SbVCwAfeU2WmzqeF

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 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 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\feed4cb58315e9875e378a48e6ca7e34dac90641e3c98afcf9b711a7ff439567N.exe
    "C:\Users\Admin\AppData\Local\Temp\feed4cb58315e9875e378a48e6ca7e34dac90641e3c98afcf9b711a7ff439567N.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:4304
    • C:\Users\Admin\AppData\Local\Temp\3582-490\feed4cb58315e9875e378a48e6ca7e34dac90641e3c98afcf9b711a7ff439567N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\feed4cb58315e9875e378a48e6ca7e34dac90641e3c98afcf9b711a7ff439567N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Users\Admin\AppData\Local\Temp\is-RMP77.tmp\is-3CI5A.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-RMP77.tmp\is-3CI5A.tmp" /SL4 $60222 C:\Users\Admin\AppData\Local\Temp\3582-490\feed4cb58315e9875e378a48e6ca7e34dac90641e3c98afcf9b711a7ff439567N.exe 1356531 50688
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1188

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\feed4cb58315e9875e378a48e6ca7e34dac90641e3c98afcf9b711a7ff439567N.exe

    Filesize

    1.5MB

    MD5

    6c5f29d2c40e4a506a9a86b737d19403

    SHA1

    2f7bfa77dc9a7ef28ecf8b25c4231c7cae91b05f

    SHA256

    bc7610ec274440a01db4cb6270c709f9ae224e391a3a3ddda3c39f9e2f13d4dc

    SHA512

    38d918f14a7d662db204a8753141aac87b69a3008b6bdd174e877b495737c0ea8d63c4f53f7944c4d52e4e19ea49f53f73cea42a6b3a27c5bf18ac04178711a7

  • C:\Users\Admin\AppData\Local\Temp\is-RMP77.tmp\is-3CI5A.tmp

    Filesize

    592KB

    MD5

    34eafa22ea917a31d314eff4224097f4

    SHA1

    005b5f236dcb26d21d7ee96eaf5cd45fac21c5cd

    SHA256

    b8cca55558a4af82cded8ae413241d82e828bf6402d77278d157424d870a75f8

    SHA512

    651c6ac7d4b695a91f1ac4a81115dd8a999dfe6ee1165499b59200b3146b19e0642372f8a04f8556900560e4c88b6d7cb962147bcaf2d0068db0abed4db295b3

  • memory/1084-107-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1084-14-0x0000000000401000-0x000000000040A000-memory.dmp

    Filesize

    36KB

  • memory/1084-12-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1188-112-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-118-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-109-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-132-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-22-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-130-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-116-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-128-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-120-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-122-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-124-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1188-126-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/4304-106-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4304-114-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4304-110-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB