Overview

overview

10

Static

static

A6A0C59A5F...81.exe

windows7_x64

10

A6A0C59A5F...81.exe

windows10_x64

10

Sharing

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General

  • Target

    A6A0C59A5F4C53AC5DF74AAE93D700CF287A370505D81.exe

  • Size

    2.3MB

  • Sample

    211001-bqnnaaaffn

  • MD5

    8e0d32c0195d67c5b2df608595e25992

  • SHA1

    6b7e16ea79f90cdfe3560ade2d4a512231ae11a7

  • SHA256

    a6a0c59a5f4c53ac5df74aae93d700cf287a370505d815b1bc26b006163d9bd7

  • SHA512

    3efea612a8e55f004e4f9b7698e375c962b4a4ccaef47e1ea93e71f5ffac8a144d3e3af95b4633e1fec24a3b31ce7b698864a3ba2a54a1f16a15d6d5af96f8a9

Score
10/10
smokeloadervidar1028706aspackv2backdoorevasionspywarestealertrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

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

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

vidar

Version

41.1

Botnet

1028

C2

https://mas.to/@bardak1ho

Attributes
  • profile_id

    1028

Targets

    • Target

      A6A0C59A5F4C53AC5DF74AAE93D700CF287A370505D81.exe

    • Size

      2.3MB

    • MD5

      8e0d32c0195d67c5b2df608595e25992

    • SHA1

      6b7e16ea79f90cdfe3560ade2d4a512231ae11a7

    • SHA256

      a6a0c59a5f4c53ac5df74aae93d700cf287a370505d815b1bc26b006163d9bd7

    • SHA512

      3efea612a8e55f004e4f9b7698e375c962b4a4ccaef47e1ea93e71f5ffac8a144d3e3af95b4633e1fec24a3b31ce7b698864a3ba2a54a1f16a15d6d5af96f8a9

    Score
    10/10
    smokeloadervidar706aspackv2backdoorevasionspywarestealertrojan1028

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Vidar Stealer

      stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Downloads MZ/PE file

    • 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

    • 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

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks