General

  • Target

    9f30514b080ada123cc09ae14c031d5681c60bf683f1f7c488b452a013614658

  • Size

    240KB

  • Sample

    230922-w2kqzshf4y

  • MD5

    5654bcb0114382d102a80e1b02d800b1

  • SHA1

    d5c84979bee934962dddcf52711b9ccbb99c3301

  • SHA256

    9f30514b080ada123cc09ae14c031d5681c60bf683f1f7c488b452a013614658

  • SHA512

    e1f4b64b2a2866913c51c0a9424fc084ca2b3dc6830f572d4f02a6eabd90f825060994e6e3165fdabc9cc01e8a2af60c2eb5964b30317d344373de38ac55a35a

  • SSDEEP

    3072:ldiiE5Mno95B0Z4tu6pxdJKnyqx/doHzaGLnaVRZiTyaUDeAg0FujD0VwzKf6oMc:lm5frpxdonyq4zaG2u5AO8eKfIVquqp

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      9f30514b080ada123cc09ae14c031d5681c60bf683f1f7c488b452a013614658

    • Size

      240KB

    • MD5

      5654bcb0114382d102a80e1b02d800b1

    • SHA1

      d5c84979bee934962dddcf52711b9ccbb99c3301

    • SHA256

      9f30514b080ada123cc09ae14c031d5681c60bf683f1f7c488b452a013614658

    • SHA512

      e1f4b64b2a2866913c51c0a9424fc084ca2b3dc6830f572d4f02a6eabd90f825060994e6e3165fdabc9cc01e8a2af60c2eb5964b30317d344373de38ac55a35a

    • SSDEEP

      3072:ldiiE5Mno95B0Z4tu6pxdJKnyqx/doHzaGLnaVRZiTyaUDeAg0FujD0VwzKf6oMc:lm5frpxdonyq4zaG2u5AO8eKfIVquqp

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • 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.

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks