General

  • Target

    c07e763f1af38fa479fe812bb6082df1545ac947393b80815123b57a66e99cf5

  • Size

    198KB

  • Sample

    210921-ry8leshge4

  • MD5

    d4568cbd3c1743ed65a363565fdce7d4

  • SHA1

    764c4128929294ecbd98abace31c6ffdd5d3af45

  • SHA256

    c07e763f1af38fa479fe812bb6082df1545ac947393b80815123b57a66e99cf5

  • SHA512

    5f1f87ab8de5ce584b3112ed6966a0b6c2c808b23d0479cadfec5919ee392ec1304acbb1913fb2f1b74677b2dd6f3427f4378fe26b1eb01c3dc2d55b42e6bd35

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

redline

Botnet

SewPalpadin

C2

185.215.113.29:18087

Extracted

Family

redline

Botnet

Proliv2021

C2

93.115.20.139:28978

Extracted

Family

redline

Botnet

100k

C2

45.9.20.150:80

Extracted

Family

redline

Botnet

paladin

C2

188.124.36.242:25802

Extracted

Family

vidar

Version

40.8

Botnet

828

C2

https://pavlovoler.tumblr.com/

Attributes
  • profile_id

    828

Extracted

Family

vidar

Version

40.8

Botnet

517

C2

https://pavlovoler.tumblr.com/

Attributes
  • profile_id

    517

Targets

    • Target

      c07e763f1af38fa479fe812bb6082df1545ac947393b80815123b57a66e99cf5

    • Size

      198KB

    • MD5

      d4568cbd3c1743ed65a363565fdce7d4

    • SHA1

      764c4128929294ecbd98abace31c6ffdd5d3af45

    • SHA256

      c07e763f1af38fa479fe812bb6082df1545ac947393b80815123b57a66e99cf5

    • SHA512

      5f1f87ab8de5ce584b3112ed6966a0b6c2c808b23d0479cadfec5919ee392ec1304acbb1913fb2f1b74677b2dd6f3427f4378fe26b1eb01c3dc2d55b42e6bd35

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks