Overview

overview

10

Static

static

10

b8b9674840...1d.exe

windows7-x64

10

b8b9674840...1d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b8b9674840aa44d5a66d5088993fd0cadbfa71735962fedb5fc12014f250d11d

  • Size

    681KB

  • Sample

    221127-jf3y8aac59

  • MD5

    2a214632dfb44e6814339f68deee84dd

  • SHA1

    5ccf37347277cd93361ff5191f2f55af0a63af89

  • SHA256

    b8b9674840aa44d5a66d5088993fd0cadbfa71735962fedb5fc12014f250d11d

  • SHA512

    58b63ae90e7d6bef952e7874cfc04a358c4a4815cfcc030260a473a86b1f2722797e56ce935e99bdcae8b24bdee67c62a1103e75cee69433f453ae9c4b9c0da4

  • SSDEEP

    6144:jyH7xOc6H5c6HcT66vlmre9N9N9CKUeRUq2etyH7xOc6H5c6HcT66vlmrL9+UeRL:jamJeJaIeoaceoaXe/acev

Score
10/10
neshtapersistencespywarestealer

Malware Config

Targets

    • Target

      b8b9674840aa44d5a66d5088993fd0cadbfa71735962fedb5fc12014f250d11d

    • Size

      681KB

    • MD5

      2a214632dfb44e6814339f68deee84dd

    • SHA1

      5ccf37347277cd93361ff5191f2f55af0a63af89

    • SHA256

      b8b9674840aa44d5a66d5088993fd0cadbfa71735962fedb5fc12014f250d11d

    • SHA512

      58b63ae90e7d6bef952e7874cfc04a358c4a4815cfcc030260a473a86b1f2722797e56ce935e99bdcae8b24bdee67c62a1103e75cee69433f453ae9c4b9c0da4

    • SSDEEP

      6144:jyH7xOc6H5c6HcT66vlmre9N9N9CKUeRUq2etyH7xOc6H5c6HcT66vlmrL9+UeRL:jamJeJaIeoaceoaXe/acev

    Score
    10/10
    neshtapersistencespywarestealer

    • Detect Neshta payload

    • Modifies system executable filetype association

      persistence

    • Neshta

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

      persistencespywareneshta

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks