General

  • Target

    654c988b902ec42a62fae40879214cf895e6f38e08fb3ba57a3e129c530b95ff

  • Size

    3.6MB

  • Sample

    220310-fe1wpaeac8

  • MD5

    f1639c7885f0fae5e2f721f9d9621e59

  • SHA1

    79f34670f87bd1c7f4b81c71d341098179d4dbbd

  • SHA256

    654c988b902ec42a62fae40879214cf895e6f38e08fb3ba57a3e129c530b95ff

  • SHA512

    f61dcd1a92ae3d89b13f31e3bf13b5b3256b1a8c6025cc0e8c6772c486258377681d089b509dadd735f4df94ab840ca9d6b618c417146594fb58c71d1c2325d2

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.xxhufdc.top/

http://www.uefhkice.xyz/

http://www.wygexde.xyz/

Extracted

Family

smokeloader

Version

2020

C2

http://khaleelahmed.com/upload/

http://twvickiassociation.com/upload/

http://www20833.com/upload/

http://cocinasintonterias.com/upload/

http://masaofukunaga.com/upload/

http://gnckids.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

38.6

Botnet

890

C2

https://HAL9THapi.faceit.comsslamlssa

Attributes
  • profile_id

    890

Targets

    • Target

      654c988b902ec42a62fae40879214cf895e6f38e08fb3ba57a3e129c530b95ff

    • Size

      3.6MB

    • MD5

      f1639c7885f0fae5e2f721f9d9621e59

    • SHA1

      79f34670f87bd1c7f4b81c71d341098179d4dbbd

    • SHA256

      654c988b902ec42a62fae40879214cf895e6f38e08fb3ba57a3e129c530b95ff

    • SHA512

      f61dcd1a92ae3d89b13f31e3bf13b5b3256b1a8c6025cc0e8c6772c486258377681d089b509dadd735f4df94ab840ca9d6b618c417146594fb58c71d1c2325d2

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks