Resubmissions

12-11-2021 18:04

211112-wnzb8aahhm 10

19-11-2020 10:08

201119-rhwlt38jrx 10

18-11-2020 17:26

201118-htd4fq29va 10

Analysis

  • max time kernel
    296s
  • max time network
    328s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    12-11-2021 18:04

General

  • Target

    ___ _ _____ __ ___/์ „์‚ฐ ๋ฐ ๋น„์ „์‚ฐ์ž๋ฃŒ ๋ณด์กด ์š”์ฒญ์„œ/์ „์‚ฐ ๋ฐ ๋น„์ „์‚ฐ์ž๋ฃŒ ๋ณด์กด ์š”.exe

  • Size

    545KB

  • MD5

    54bef758433c98353b61bf1e2aecefb2

  • SHA1

    06feb43c6d58eab893396f63aa2e1d0e4542f7d1

  • SHA256

    291f381da3286ea93c38bb325e19f35744349c3543708135d8be731f4bafb6e2

  • SHA512

    3bfb51f9bee7033ebde0f418b88327b7c7a322b3e0572d92ad4cdf37c9fbed22d518c9ce2d8d5638381542bef83077d8054184b9f613b815df6906a99fd4526f

Malware Config

Extracted

Family

vidar

Version

26.1

Botnet

276

C2

http://centos10.com/

Attributes
  • profile_id

    276

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\์ „์‚ฐ ๋ฐ ๋น„์ „์‚ฐ์ž๋ฃŒ ๋ณด์กด ์š”์ฒญ์„œ\์ „์‚ฐ ๋ฐ ๋น„์ „์‚ฐ์ž๋ฃŒ ๋ณด์กด ์š”.exe
    "C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\์ „์‚ฐ ๋ฐ ๋น„์ „์‚ฐ์ž๋ฃŒ ๋ณด์กด ์š”์ฒญ์„œ\์ „์‚ฐ ๋ฐ ๋น„์ „์‚ฐ์ž๋ฃŒ ๋ณด์กด ์š”.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1328

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1328-118-0x00000000008F9000-0x0000000000950000-memory.dmp
    Filesize

    348KB

  • memory/1328-119-0x0000000002500000-0x0000000002589000-memory.dmp
    Filesize

    548KB

  • memory/1328-120-0x0000000000400000-0x000000000088B000-memory.dmp
    Filesize

    4.5MB