General

  • Target

    03430361A6D2FE6C89D6B237CA9B887CC6269187B305A.exe

  • Size

    4.8MB

  • Sample

    211223-ya8pvabec2

  • MD5

    5d941d663aa77335eebfc3769cbbe12c

  • SHA1

    89aba2fe3c8c7b73d95bde2cc0191caf89471627

  • SHA256

    03430361a6d2fe6c89d6b237ca9b887cc6269187b305afc9ef3d8642533698c4

  • SHA512

    f1a7069425d51860f79587846f1d1870e3f3ccdba3fd39e549beea96b3b3e555f2522a08a6af1ebf2aa3263a1e61e2af1a1eca62af11e997c8cf42cb1f95f467

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.xxhufdc.top/

http://www.uefhkice.xyz/

http://www.fcektsy.top/

Extracted

Family

vidar

Version

40

Botnet

916

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    916

Targets

    • Target

      03430361A6D2FE6C89D6B237CA9B887CC6269187B305A.exe

    • Size

      4.8MB

    • MD5

      5d941d663aa77335eebfc3769cbbe12c

    • SHA1

      89aba2fe3c8c7b73d95bde2cc0191caf89471627

    • SHA256

      03430361a6d2fe6c89d6b237ca9b887cc6269187b305afc9ef3d8642533698c4

    • SHA512

      f1a7069425d51860f79587846f1d1870e3f3ccdba3fd39e549beea96b3b3e555f2522a08a6af1ebf2aa3263a1e61e2af1a1eca62af11e997c8cf42cb1f95f467

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

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

    • RedLine Payload

    • Socelars

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

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Nirsoft

    • Vidar Stealer

    • Blocklisted process makes network request

    • 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.

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks