Overview

overview

10

Static

static

10

2025-02-07...na.exe

windows7-x64

2025-02-07...na.exe

windows10-2004-x64

10

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General

  • Target

    2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana

  • Size

    90KB

  • Sample

    250207-vzbjvs1ndl

  • MD5

    61a199076ddfb00d9a92792ffa0f2668

  • SHA1

    7478d5b7ecf47ac14cbba2fab46f69106d02b008

  • SHA256

    b107c99d3d84007f8bc1c3eca8ba6bfdb2b38dd56cbc1d1592110e55f84e6fd6

  • SHA512

    f3ce8923d9cd8add89516d3f5033b5a5ccea06890e3ad1b93a422e1d0afff4ef5c4c9aaf4dbcecea5563f0af977084cd944c6b5566607d48282ca1340f8d891b

  • SSDEEP

    1536:JxqjQ+P04wsmJC4uFECDpw10vnAOIUaJh4IXdWXLXTWLS:sr85Cnlw10vvA/7sSu

Score
10/10
neshtasatanabootkitdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\!satana!.txt

Ransom Note
You had bad luck.There was crypting of all your files in a FS bootkit virus <!SATANA!> To decrypt you need send on this E-mail: [email protected] your private code: A3D90235E1136671AB1195C6078184FF and pay on a Bitcoin Wallet: XbvKCGr8VowpBLwE8VxHNL2oL24ukKcNFw total 0,5 btc After that during 1 - 2 days the software will be sent to you - decryptor - and the necessary instructions. All changes in hardware configurations of your computer can make the decryption of your files absolutely impossible! Decryption of your files is possible only on your PC! Recovery is possible during 7 days, after which the program - decryptor - can not ask for the necessary signature from a public certificate server. Please contact via e-mail, which you can find as yet in the form of a text document in a folder with encrypted files, as well as in the name of all encrypted files.If you do not appreciate your files we recommend you format all your disks and reinstall the system. Read carefully this warning as it is no longer able to see at startup of the computer. We remind once again- it is all serious! Do not touch the configuration of your computer! E-mail: [email protected] - this is our mail CODE: A3D90235E1136671AB1195C6078184FF this is code; you must send BTC: XbvKCGr8VowpBLwE8VxHNL2oL24ukKcNFw here need to pay 0,5 bitcoins How to pay on the Bitcoin wallet you can easily find on the Internet. Enter your unlock code, obtained by E-mail here and press "ENTER" to continue the normal download on your computer. Good luck! May God help you! <!SATANA!>

Targets

    • Target

      2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana

    • Size

      90KB

    • MD5

      61a199076ddfb00d9a92792ffa0f2668

    • SHA1

      7478d5b7ecf47ac14cbba2fab46f69106d02b008

    • SHA256

      b107c99d3d84007f8bc1c3eca8ba6bfdb2b38dd56cbc1d1592110e55f84e6fd6

    • SHA512

      f3ce8923d9cd8add89516d3f5033b5a5ccea06890e3ad1b93a422e1d0afff4ef5c4c9aaf4dbcecea5563f0af977084cd944c6b5566607d48282ca1340f8d891b

    • SSDEEP

      1536:JxqjQ+P04wsmJC4uFECDpw10vnAOIUaJh4IXdWXLXTWLS:sr85Cnlw10vvA/7sSu

    Score
    10/10
    neshtasatanabootkitdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

    • Detect Neshta payload

    • Neshta

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

      persistencespywareneshta

    • Neshta family

      neshta

    • Satana

      Ransomware family which also encrypts the system's Master Boot Record (MBR).

      ransomwaresatana

    • Satana family

      satana

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

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

Direct Volume Access

1
T1006

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

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

Inhibit System Recovery

2
T1490

Tasks