Overview

overview

10

Static

static

2020-08-16...in.exe

windows7_x64

10

2020-08-16...in.exe

windows10_x64

10

Sharing

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General

  • Target

    2020-08-16_12-33-29.bin

  • Size

    182KB

  • Sample

    200827-6x7fdlj8y2

  • MD5

    31293dfcacc8dc2e1e0daca8ad83ffe4

  • SHA1

    49d99d21ee7070f9923e53247dff9359cef66e56

  • SHA256

    8d6a931a8e8a65cf3a98fc2ee69ded2bd91ee03ef6677c6f653561dd4742ce17

  • SHA512

    962605b126e84500a0039b6ddcc2dd6686c942e2aa762d09ab49f97200812721c837770e116f5cb0477ce6ce145529830ef6cfafadb311944c28d388a3ee68dc

Score
10/10
dharmasmokeloadervidarbackdoorpersistenceransomwarestealertrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rexstat35x.xyz/statweb955/

http://dexspot2x.xyz/statweb955/

http://atxspot20x.xyz/statweb955/

http://rexspot7x.xyz/statweb955/

http://fdmail85.club/statweb955/

http://servicem977x.xyz/statweb955/

http://advertxman7x.xyz/statweb955/

http://starxpush7x.xyz/statweb955/
rc4.i32
rc4.i32

Targets

    • Target

      2020-08-16_12-33-29.bin

    • Size

      182KB

    • MD5

      31293dfcacc8dc2e1e0daca8ad83ffe4

    • SHA1

      49d99d21ee7070f9923e53247dff9359cef66e56

    • SHA256

      8d6a931a8e8a65cf3a98fc2ee69ded2bd91ee03ef6677c6f653561dd4742ce17

    • SHA512

      962605b126e84500a0039b6ddcc2dd6686c942e2aa762d09ab49f97200812721c837770e116f5cb0477ce6ce145529830ef6cfafadb311944c28d388a3ee68dc

    Score
    10/10
    dharmasmokeloaderbackdoorpersistenceransomwaretrojanvidarstealer

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Executes dropped EXE

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

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

    • Uses Tor communications

      Malware can proxy its traffic through Tor for more anonymity.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Connection Proxy

1
T1090

Impact

Inhibit System Recovery

2
T1490

Tasks