General

  • Target

    e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe

  • Size

    1.5MB

  • Sample

    240303-1va1esac54

  • MD5

    269d7e74e4b21a2fc0e66907c77fc0bc

  • SHA1

    fc09525a2f93bf089d0b02c5220e7ee452e64747

  • SHA256

    e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779

  • SHA512

    e0a257ed553383a06267c124b8d72215d6f155ae02ab6d327258c621835957c39e5567c012777fa80f087e578b9a2e1519ead076948b79b1145103826db4bdd0

  • SSDEEP

    24576:Eg5ks+W8y6AFZexyuCkfHGFV01gUSvriQMbOyK2jYR2J11RaLNBDj:EgrHa0ZAhIVQFSv2LtwRG11R+F

Malware Config

Extracted

Family

nullmixer

C2

http://wxkeww.xyz/

Extracted

Family

smokeloader

Botnet

pub6

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779 (copy 1).exe

    • Size

      1.5MB

    • MD5

      269d7e74e4b21a2fc0e66907c77fc0bc

    • SHA1

      fc09525a2f93bf089d0b02c5220e7ee452e64747

    • SHA256

      e6ea98b046b11a35efa0ac1243f6190ff4d4247a35784e65a9feaaf4918ae779

    • SHA512

      e0a257ed553383a06267c124b8d72215d6f155ae02ab6d327258c621835957c39e5567c012777fa80f087e578b9a2e1519ead076948b79b1145103826db4bdd0

    • SSDEEP

      24576:Eg5ks+W8y6AFZexyuCkfHGFV01gUSvriQMbOyK2jYR2J11RaLNBDj:EgrHa0ZAhIVQFSv2LtwRG11R+F

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

    • Target

      setup_installer.exe

    • Size

      1.5MB

    • MD5

      78418bfb23c7adf70828f675e990de49

    • SHA1

      534a26817c39972287abf166bb00c831440a1e57

    • SHA256

      b14218cb639c6afa35a66cf418035ce10475b53f5386896a44327fd48d8447c8

    • SHA512

      5df88e9bd4d241b69acba4499845e68286cd24fffed582864c24ad4c5d9bd47041c99ac32cc023c7a6dbe4cecaed39882274cbf4e12aedd5220c6e51075a8dd8

    • SSDEEP

      24576:xcVkKSqXCeomdCFDWHp/7F82H1qjUEPY/RQ5DsvLwcaBhdZIl9mTkPdei+uYvSm1:xcBFCpZgu2VqjUEwJ84vLRaBtIl9mT4Y

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks

static1

Score
3/10

behavioral1

nullmixerprivateloaderriseprosmokeloaderpub6aspackv2backdoordropperevasionloaderspywarestealertrojan
Score
10/10

behavioral2

nullmixerprivateloaderriseprosmokeloaderpub6aspackv2backdoordropperevasionloaderspywarestealertrojan
Score
10/10

behavioral3

nullmixersmokeloaderpub6aspackv2backdoordropperevasionspywarestealertrojan
Score
10/10

behavioral4

nullmixerprivateloaderriseprosmokeloaderpub6aspackv2backdoordropperevasionloaderspywarestealertrojan
Score
10/10

behavioral5

nullmixersmokeloaderpub6aspackv2backdoordropperevasionspywarestealertrojan
Score
10/10

behavioral6

nullmixersmokeloaderpub6aspackv2backdoordropperevasionspywarestealertrojan
Score
10/10

behavioral7

nullmixersmokeloaderpub6aspackv2backdoordropperevasionspywarestealertrojan
Score
10/10

behavioral8

nullmixerprivateloaderriseprosmokeloaderpub6aspackv2backdoordropperevasionloaderspywarestealertrojan
Score
10/10

behavioral9

nullmixerprivateloaderriseprosmokeloaderpub6aspackv2backdoordropperevasionloaderspywarestealertrojan
Score
10/10

behavioral10

nullmixersmokeloaderpub6aspackv2backdoordropperevasionspywarestealertrojan
Score
10/10