Overview

overview

10

Static

static

1efa566697...5d.exe

windows7_x64

10

1efa566697...5d.exe

windows10_x64

10

Sharing

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General

  • Target

    1efa56669738d9ef717aae854188495d.exe

  • Size

    175KB

  • Sample

    210331-k8fmhtyttj

  • MD5

    1efa56669738d9ef717aae854188495d

  • SHA1

    3ff0cbdc4ec92da762c909fa42c23fcd6ff5519c

  • SHA256

    addfb046313926c0cfb9e4293f76c408d8e6798e129f1a1043835088c54aa69b

  • SHA512

    291ec99476a3d35d6f4d862b8f7e1380cb6cc49f4c5725befe53888d38e77b346e849aace9685e0d233b53ac2b4f8e5f4943976dc4295f2385b6d080c9eb984a

Score
10/10
smokeloadertofseevidarbackdoordiscoverypersistencestealertrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://xsss99.icu/upload/

http://bingooodsg.icu/upload/

http://junntd.xyz/upload/

http://ginessa11.xyz/upload/

http://overplayninsx.xyz/upload/

http://bananinze.com/upload/

http://daunimlas.com/upload/
rc4.i32
rc4.i32

Targets

    • Target

      1efa56669738d9ef717aae854188495d.exe

    • Size

      175KB

    • MD5

      1efa56669738d9ef717aae854188495d

    • SHA1

      3ff0cbdc4ec92da762c909fa42c23fcd6ff5519c

    • SHA256

      addfb046313926c0cfb9e4293f76c408d8e6798e129f1a1043835088c54aa69b

    • SHA512

      291ec99476a3d35d6f4d862b8f7e1380cb6cc49f4c5725befe53888d38e77b346e849aace9685e0d233b53ac2b4f8e5f4943976dc4295f2385b6d080c9eb984a

    Score
    10/10
    smokeloadertofseevidarbackdoordiscoverypersistencestealertrojan

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Creates new service(s)

      persistence

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Privilege Escalation

New Service

1
T1050

Defense Evasion

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks