bd313f9102739a231c214b4fe4f6c3a3.exe

General
Target

bd313f9102739a231c214b4fe4f6c3a3.exe

Size

233KB

Sample

211020-g4xe8sgfc8

Score
10 /10
MD5

bd313f9102739a231c214b4fe4f6c3a3

SHA1

728aea2174af79ab9e03cc3d31ec069d5ceb513c

SHA256

c95d04ae659ff27da971c970ec072ffbec37551120fe8c395d5455fba4139d0d

SHA512

a5074f21dc6cf3575facb4817d31165606eb0bc539477cc67ab8af1f165b38c8925c796d68a5ce8a21754d54b313afe75a74d7a5f33ac5012c194914f4c4036e

Malware Config

Extracted

Family smokeloader
Version 2020
C2

http://nusurtal4f.net/

http://netomishnetojuk.net/

http://escalivrouter.net/

http://nick22doom4.net/

http://wrioshtivsio.su/

http://nusotiso4.su/

http://rickkhtovkka.biz/

http://palisotoliso.net/

rc4.i32
rc4.i32

Extracted

Family vidar
Version 41.5
Botnet 706
C2

https://mas.to/@xeroxxx

Attributes
profile_id
706

Extracted

Family vidar
Version 41.5
Botnet 517
C2

https://mas.to/@xeroxxx

Attributes
profile_id
517

Extracted

Family djvu
C2

http://rlrz.org/lancer

Targets
Target

bd313f9102739a231c214b4fe4f6c3a3.exe

MD5

bd313f9102739a231c214b4fe4f6c3a3

Filesize

233KB

Score
10/10
SHA1

728aea2174af79ab9e03cc3d31ec069d5ceb513c

SHA256

c95d04ae659ff27da971c970ec072ffbec37551120fe8c395d5455fba4139d0d

SHA512

a5074f21dc6cf3575facb4817d31165606eb0bc539477cc67ab8af1f165b38c8925c796d68a5ce8a21754d54b313afe75a74d7a5f33ac5012c194914f4c4036e

Tags

Signatures

  • Detected Djvu ransomware

  • Djvu Ransomware

    Description

    Ransomware which is a variant of the STOP family.

    Tags

  • SmokeLoader

    Description

    Modular backdoor trojan in use since 2014.

    Tags

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

  • Vidar Stealer

    Tags

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Deletes itself

  • Loads dropped DLL

  • Modifies file permissions

    Tags

    TTPs

    File Permissions Modification
  • Reads user/profile data of web browsers

    Description

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

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Checks installed software on the system

    Description

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

    Tags

    TTPs

    Query Registry
  • Looks up external IP address via web service

    Description

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

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation