General

  • Target

    62ddd6a52cc36031af700fe0b2f58e79.exe

  • Size

    311KB

  • Sample

    210620-bd1zgrjzb2

  • MD5

    62ddd6a52cc36031af700fe0b2f58e79

  • SHA1

    96a5d909d78ae554a7c4a5963510976edb6904ee

  • SHA256

    372e3f20168cb6280781e04db5b47a84c3496bde190343f4cb54a7e80c4a0c6e

  • SHA512

    cf0d5ad6908a130c7496e959d20a2a512753f4fcb22e5ddc8ad5b153ebf51dd42e65b4d21f12f632f4b33c1a84bbeafb2ceb65c9f34971d05fbed56d060cd15c

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

50f8ded12c46443e43915127b1219ac2fc439bb6

Attributes
  • url4cnc

    https://tttttt.me/mimimimaxormin

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

39.4

Botnet

824

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    824

Extracted

Family

vidar

Version

39.3

Botnet

517

C2

https://bandakere.tumblr.com

Attributes
  • profile_id

    517

Targets

    • Target

      62ddd6a52cc36031af700fe0b2f58e79.exe

    • Size

      311KB

    • MD5

      62ddd6a52cc36031af700fe0b2f58e79

    • SHA1

      96a5d909d78ae554a7c4a5963510976edb6904ee

    • SHA256

      372e3f20168cb6280781e04db5b47a84c3496bde190343f4cb54a7e80c4a0c6e

    • SHA512

      cf0d5ad6908a130c7496e959d20a2a512753f4fcb22e5ddc8ad5b153ebf51dd42e65b4d21f12f632f4b33c1a84bbeafb2ceb65c9f34971d05fbed56d060cd15c

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Tofsee

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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • Vidar Stealer

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Tasks