Overview

overview

10

Static

static

10

Rat.exe

windows7-x64

10

Rat.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Rat.exe

  • Size

    45KB

  • Sample

    250213-22fpxswrbk

  • MD5

    c41469be0e653ddb4552a3f1a16caba6

  • SHA1

    d2e0c8d5bd49337b5cef1f325632ba6c356d5661

  • SHA256

    166fc117f762f70928200d37c24352583e1aca1aba54429975ac828452cf5ff0

  • SHA512

    0599b00efc97b7805679040903e9b5f7fdfa7c4e00e7b12fc0a79b89286dea6665efd87f817b9b9f8e2e165714df07e8dbe21b3121b0af3f6f3c87b10837c749

  • SSDEEP

    768:00Mk3L5X0UC22ynqUS08+oRULQcN9hzyxJjB6SV38vrL/we:00M/my7Gs698bo638v/we

Score
10/10
silverratdefense_evasiondiscoveryexecutionpersistencetrojan

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

buying-magic.gl.at.ply.gg:17699

Mutex

SilverMutex_mCvmEafTxB

Attributes
  • certificate

    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

  • decrypted_key

    -|S.S.S|-

  • discord

    https://discord.com/api/webhooks/1339299451642314845/g1Gv5jULSz8Pebm4NzbJROiNI4YMerdc5dgzha88cgyOa16Ji2c67zQdw45RArDpsUDf

  • key

    yy6zDjAUmbB09pKvo5Hhug==

  • key_x509

    SFloWnRSeGdTU1NRTFBBYWREQ0NCRldsRnN1SllL

  • payload_url

    https://g.top4top.io/p_2522c7w8u1.png

  • reconnect_delay

    2

  • server_signature

    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

Targets

    • Target

      Rat.exe

    • Size

      45KB

    • MD5

      c41469be0e653ddb4552a3f1a16caba6

    • SHA1

      d2e0c8d5bd49337b5cef1f325632ba6c356d5661

    • SHA256

      166fc117f762f70928200d37c24352583e1aca1aba54429975ac828452cf5ff0

    • SHA512

      0599b00efc97b7805679040903e9b5f7fdfa7c4e00e7b12fc0a79b89286dea6665efd87f817b9b9f8e2e165714df07e8dbe21b3121b0af3f6f3c87b10837c749

    • SSDEEP

      768:00Mk3L5X0UC22ynqUS08+oRULQcN9hzyxJjB6SV38vrL/we:00M/my7Gs698bo638v/we

    Score
    10/10
    silverratdefense_evasionexecutionpersistencetrojandiscovery

    • SilverRat

      SilverRat is trojan written in C#.

      trojansilverrat

    • Silverrat family

      silverrat

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks