Overview

overview

10

Static

static

10

99cb1bc47e...f2.exe

windows7-x64

10

99cb1bc47e...f2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    99cb1bc47ef388f6c2768f9e256d024108d53edf95e32c7f55283c98338cb5f2

  • Size

    84KB

  • Sample

    221126-dfdrfabc6y

  • MD5

    b8fa91f2cf84b3275b839993a2eebe39

  • SHA1

    92b087a2904332374b47fad62ed830512ae7e302

  • SHA256

    99cb1bc47ef388f6c2768f9e256d024108d53edf95e32c7f55283c98338cb5f2

  • SHA512

    fa566cdadf7245e7a73ab0fcb1ab3e6df50b7cd67858eebf988058de866261b900690b33a45ee1a69bcf48a31a9c5e00349a8814d6018aa3e821751db0398d1c

  • SSDEEP

    768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJRH0nbnD/fSDWQNAKnnnvbzyA86dOCZu:JxqjQ+P04wsmJCYHLWQCKvbO760

Score
10/10
neshtaevasionpersistencespywarestealer

Malware Config

Targets

    • Target

      99cb1bc47ef388f6c2768f9e256d024108d53edf95e32c7f55283c98338cb5f2

    • Size

      84KB

    • MD5

      b8fa91f2cf84b3275b839993a2eebe39

    • SHA1

      92b087a2904332374b47fad62ed830512ae7e302

    • SHA256

      99cb1bc47ef388f6c2768f9e256d024108d53edf95e32c7f55283c98338cb5f2

    • SHA512

      fa566cdadf7245e7a73ab0fcb1ab3e6df50b7cd67858eebf988058de866261b900690b33a45ee1a69bcf48a31a9c5e00349a8814d6018aa3e821751db0398d1c

    • SSDEEP

      768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJRH0nbnD/fSDWQNAKnnnvbzyA86dOCZu:JxqjQ+P04wsmJCYHLWQCKvbO760

    Score
    10/10
    neshtaevasionpersistencespywarestealer

    • 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

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • 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

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
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