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General

  • Target

    b161842fb55681498c8f03903030df175c4bd3a1ad069a55ede445ffc7c67b5c

  • Size

    289KB

  • Sample

    230921-qcjjqsab34

  • MD5

    aad5aad479fafec3a9477e38af7c472e

  • SHA1

    5cfcafe95196c4204646d2fce091729946421b89

  • SHA256

    b161842fb55681498c8f03903030df175c4bd3a1ad069a55ede445ffc7c67b5c

  • SHA512

    1a7029423a2e36d2502155b388dc6186e5455b37864fe8c07000dc5ec6e6f0a6ad65e5b27eb41f0a9beccd3d69ec944bf411fcfc9f7133e577d1470d7e8ceade

  • SSDEEP

    3072:gxXrZTSJe6Aqx6ThdhVJu9cNIkyasojimMabwG6id7Rg8/ve:MrpSxN6Thdxu9cNfsoWmRbP6ifg8X

Malware Config

Extracted

Family

smokeloader

Botnet

up4

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-file0.com/

http://file-file-file1.com/

rc4.i32
rc4.i32

Targets

    • Target

      b161842fb55681498c8f03903030df175c4bd3a1ad069a55ede445ffc7c67b5c

    • Size

      289KB

    • MD5

      aad5aad479fafec3a9477e38af7c472e

    • SHA1

      5cfcafe95196c4204646d2fce091729946421b89

    • SHA256

      b161842fb55681498c8f03903030df175c4bd3a1ad069a55ede445ffc7c67b5c

    • SHA512

      1a7029423a2e36d2502155b388dc6186e5455b37864fe8c07000dc5ec6e6f0a6ad65e5b27eb41f0a9beccd3d69ec944bf411fcfc9f7133e577d1470d7e8ceade

    • SSDEEP

      3072:gxXrZTSJe6Aqx6ThdhVJu9cNIkyasojimMabwG6id7Rg8/ve:MrpSxN6Thdxu9cNfsoWmRbP6ifg8X

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Modifies Installed Components in the registry

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks