Overview

overview

10

Static

static

10

58a4ab673e...eN.exe

windows7-x64

10

58a4ab673e...eN.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 16:18

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General

  • Target

    58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe

  • Size

    93KB

  • MD5

    cafbacc31cdd3ecece60d7128cf8bc90

  • SHA1

    ab73f8a73bf1df39143e55e0c49a61238bf6cbca

  • SHA256

    58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079e

  • SHA512

    2d3a20a496abd456b5732d8a119cc3b73bbd5bdaf7c79943c7c6c7a98254c0f6a2b017acc75ff894e06086206734841e740b1b47a864c0b1a2935c692d0457fc

  • SSDEEP

    1536:JxqjQ+P04wsmJC5LpeytM3alnawrRIwxVSHMweio:sr85C5Lpey23alnaEIN/

Score
10/10
globeimposterneshtadefense_evasiondiscoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\regid.1991-06.com.microsoft\how_to_back_files.html

Ransom Note
<html> <style type="text/css"> body { background-color: #f5f5f5; } h1, h3{ text-align: center; text-transform: uppercase; font-weight: normal; } /*---*/ .tabs1{ display: block; margin: auto; } .tabs1 .head{ text-align: center; float: top; padding: 0px; text-transform: uppercase; font-weight: normal; display: block; background: #81bef7; color: #DF0101; font-size: 30px; } .tabs1 .identi { font-size: 10px; text-align: center; float: top; padding: 15px; display: block; background: #81bef7; color: #DFDFDF; word-break: break-all; } .tabs .content { background: #f5f5f5; /*text-align: center;*/ color: #000000; padding: 25px 15px; font-size: 15px; font-weight: 400; line-height: 20px; } .tabs .content a { color: #df0130; font-size: 23px; font-style: italic; text-decoration: none; line-height: 35px; } .tabs .content .text{ padding: 25px; line-height: 1.2; } </style> <body> <div class="tabs1"> <div class="head" ><b>Your personal ID:</b></div> <div class="identi"> <span style="width:1000px; color: #ffffff; font-size: 10px;">��������������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span> <br> <!-- !!! dont changing this !!! --> </div> </div> <!-- --> <div class="tabs"> <!--tab--> <div class="tab"> <div id="tab-content1" class="content"> <div class="text"> <!--text data --> <b>/!\ YOUR COMPANY NETWORK HAS BEEN PENETRATED /!\</b><br> <b>All your important files have been encrypted!</b><br><br> <hr> Your files are safe! Only modified. (RSA+AES)<br><br> ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE<br> WILL PERMANENTLY CORRUPT IT.<br> DO NOT MODIFY ENCRYPTED FILES.<br> DO NOT RENAME ENCRYPTED FILES.<br><br> No software available on internet can help you. We are the only ones able to<br> solve your problem.<br><br> We gathered highly confidential/personal data. These data are currently stored on<br> a private server. This server will be immediately destroyed after your payment.<br> If you decide to not pay, we will release your data to public or re-seller.<br> So you can expect your data to be publicly available in the near future..<br><br> We only seek money and our goal is not to damage your reputation or prevent<br> your business from running.<br><br> You will can send us 2-3 non-important files and we will decrypt it for free<br> to prove we are able to give your files back.<br><br> <!--text data --> <hr> <b>Contact us for price and get decryption software.</b><br><br> <hr> <b>email:</b><br> <a href="[email protected] ">[email protected] </a> <br> <a href="[email protected] ">[email protected] </a> <br> <p>* To contact us, create a new free email account on the site: <a href="https://protonmail.com">protonmail.com <br> <b> IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.</b><br> <p>* Tor-chat to always be in touch: <a href<a href<b> </div> </div> </div> <!--tab--> <b> <b> <b> <span style="font-size: 22px">qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion</span> </b><br><br> </b><br> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>��������������

Signatures

  • Detect Neshta payload 6 IoCs
  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Globeimposter family
    globeimposter
  • Neshta

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

    persistencespywareneshta
  • Neshta family
    neshta
  • Renames multiple (6121) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 2 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
    persistence
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe
    "C:\Users\Admin\AppData\Local\Temp\58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.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:3520
    • C:\Users\Admin\AppData\Local\Temp\3582-490\58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\3582-490\58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe > nul
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4528
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\3582-490\58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe > nul
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

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  • C:\ProgramData\regid.1991-06.com.microsoft\how_to_back_files.html
    Filesize

    4KB

    MD5

    faaf43f5de46313ff58ef7633103988a

    SHA1

    3a8b668126cba5a2c3cbfca80d36100b41558049

    SHA256

    412b1bdd57e82c6cec1993fcdffbe234c855b4be7bee328d56efe98d868896fd

    SHA512

    28a8c4a386c93c9cc8c3e338aaf5616155f9d865f49e9ba294df48d573b5e7fd7c33676cfa8a177cc20cc92ad716f7d62339384dba4316e96890ecee191d7afe

    Download Submit

  • C:\Users\Admin\AppData\Local\58A4AB~1.EXE
    Filesize

    93KB

    MD5

    330dd76aa1a4fae935bcbeb7d74254f8

    SHA1

    3ac65990baeb20638d1784fd2f3b41b20257a337

    SHA256

    9a5a8d699c6cc831f4d9ab6ed46479484e930d31368fe2af617459f56a94e650

    SHA512

    de4f934154d53e30fdea97c0b57dfdbc3e56092fe580bb4d55f88c6ca1f58c1601225838dc3100cd8c6576e834b8bb8ef4c5f32179c4ed238ddda6fdb4e87552

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  • C:\Users\Admin\AppData\Local\Temp\3582-490\58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe
    Filesize

    53KB

    MD5

    deb3fce70516ab1ec10b64c14ea3218d

    SHA1

    bfb33473c7b02bad192e4bdb6883eb928dc6c9d0

    SHA256

    34764b0486972a31a358d7d7a9af6c4aee0a01e5599f2aa382b4784575d865b1

    SHA512

    8359b07e62b4805274f41d590b547b717fd327f808af86701fee25875134d43f51fd9d21ca8710c2190fd8ca892269a2bd7c695f6d9260fd866b1b3aea0495c2

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  • C:\Users\Admin\AppData\Local\Temp\tmp5023.tmp
    Filesize

    8B

    MD5

    3adbd3d44740e059bf36e5e69a672206

    SHA1

    c533c1a7c0d9816f122493c038825cb0add87ff3

    SHA256

    e7165182321a8565a88ceea8c4f67f970fe9b4ec0be42086e4d54a09bcea4af4

    SHA512

    23aa054540f5c5d97107d9040d969fef1e28b367b8560b2f3e35a9743e0555ccf2331d7ee4cca8c926d11f08ea52ea25d7a2ddb28d2acdda51f682b46381f3a2

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  • C:\Windows\svchost.com
    Filesize

    40KB

    MD5

    36fd5e09c417c767a952b4609d73a54b

    SHA1

    299399c5a2403080a5bf67fb46faec210025b36d

    SHA256

    980bac6c9afe8efc9c6fe459a5f77213b0d8524eb00de82437288eb96138b9a2

    SHA512

    1813a6a5b47a9b2cd3958cf4556714ae240f2aa19d0a241b596830f0f2b89a33ec864d00ce6a791d323a58dfbff42a0fded65eefbf980c92685e25c0ec415d92

    Download Submit

  • memory/2900-8-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2900-1708-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/3520-1703-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/3520-3096-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/3520-4508-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/4528-14164-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download