Overview

overview

10

Static

static

10

39908b6407...cd.exe

windows7-x64

10

39908b6407...cd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    39908b64078401f32938e6b792169deaa626bf6cb2551eb4026e5ec1a2b84fcd

  • Size

    321KB

  • Sample

    221126-dfnlmsbc7z

  • MD5

    4fcdbd9239fbeea3ecdae855601e8de2

  • SHA1

    a23903fc13d3c9d9e99b0146502b1f625db1d24a

  • SHA256

    39908b64078401f32938e6b792169deaa626bf6cb2551eb4026e5ec1a2b84fcd

  • SHA512

    6b6f5f243c5ce206e9679fdda767f0c955e9e7bbe04b2191fdd9e4cefcb2f7e39455dac45749f946b7691211087b6958fefe9013bcf598bf67ebc23bdb67d13c

  • SSDEEP

    6144:k9kAW12GhNB0vi2+XuX1ECuoZzMC8cOF3DqBLL/nAVQ:Pv2iNB0KlXumCuoZAC8cOF3D4L9

Score
10/10
neshtaevasionpersistencespywarestealer

Malware Config

Targets

    • Target

      39908b64078401f32938e6b792169deaa626bf6cb2551eb4026e5ec1a2b84fcd

    • Size

      321KB

    • MD5

      4fcdbd9239fbeea3ecdae855601e8de2

    • SHA1

      a23903fc13d3c9d9e99b0146502b1f625db1d24a

    • SHA256

      39908b64078401f32938e6b792169deaa626bf6cb2551eb4026e5ec1a2b84fcd

    • SHA512

      6b6f5f243c5ce206e9679fdda767f0c955e9e7bbe04b2191fdd9e4cefcb2f7e39455dac45749f946b7691211087b6958fefe9013bcf598bf67ebc23bdb67d13c

    • SSDEEP

      6144:k9kAW12GhNB0vi2+XuX1ECuoZzMC8cOF3DqBLL/nAVQ:Pv2iNB0KlXumCuoZAC8cOF3D4L9

    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.

    • 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