General

  • Target

    eaf542dd8a8094cde3fd9767497c06f3_JaffaCakes118

  • Size

    1.5MB

  • Sample

    240410-nkb4hshb21

  • MD5

    eaf542dd8a8094cde3fd9767497c06f3

  • SHA1

    e8f51145b8506ea14cd111d292450fff0be82b19

  • SHA256

    57915804648a28ef848d9ef8b400660e828d516e53a3a91265b467bb95db9e89

  • SHA512

    ec9f5de333718c0c0a4cdcd1a49439581d0029528407cfdd4aa2a798a0f0c1b3d02b23d8c8a99c20a97f4a60f685e7e12eb1635332155a92c9141a990d67577a

  • SSDEEP

    49152:Egm7B/qk5xqQl+Xphug3rl2yFIt+65eVfTorTRo7:Jm7B/9/7eu/COrTq

Malware Config

Extracted

Family

nullmixer

C2

http://marisana.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

      eaf542dd8a8094cde3fd9767497c06f3_JaffaCakes118

    • Size

      1.5MB

    • MD5

      eaf542dd8a8094cde3fd9767497c06f3

    • SHA1

      e8f51145b8506ea14cd111d292450fff0be82b19

    • SHA256

      57915804648a28ef848d9ef8b400660e828d516e53a3a91265b467bb95db9e89

    • SHA512

      ec9f5de333718c0c0a4cdcd1a49439581d0029528407cfdd4aa2a798a0f0c1b3d02b23d8c8a99c20a97f4a60f685e7e12eb1635332155a92c9141a990d67577a

    • SSDEEP

      49152:Egm7B/qk5xqQl+Xphug3rl2yFIt+65eVfTorTRo7:Jm7B/9/7eu/COrTq

    • 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.

    • 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

      fb0b833f695d52b7a9cc308b48136710

    • SHA1

      8899b9196dad0c2d8e9900f2d8cdb10aff9ed87b

    • SHA256

      f3e28af372f1ecbe4bfc290214c09e4ba3485556ebc847971009996cd92daa48

    • SHA512

      9c77ce45b8eb09085f15ab8ec7301cf2d27e9ff2689089591576cb96b248fc58709934c38a60213f710cca8bd0276f7b206f18cadef5c392d95ad783f7540e88

    • SSDEEP

      49152:xcBhCpZgu2K8EEwJ84vLRaBtIl9mTH7szUnTffo:xFZ2HzCvLUBsKHYITfo

    • 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.

    • 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