General

  • Target

    55bdcc2b5a25a711fb46e9ac4fd88da91c65f799f9faec3273f818b5a65c20fa

  • Size

    12.3MB

  • Sample

    231126-2bwnfscf69

  • MD5

    6b0a37137d17f0567085049d8594c696

  • SHA1

    313b9567951fb5b18e234110d9aefebb6892f9ea

  • SHA256

    55bdcc2b5a25a711fb46e9ac4fd88da91c65f799f9faec3273f818b5a65c20fa

  • SHA512

    f0e90159f959aff29fe93d1ab0ea575585d54fa51df877e277feeced4c0963405999019d097b9bbf8dc1ed8c050364b717b6553d63d24ca82b12a93a9f0a12fb

  • SSDEEP

    196608:6ZCabeKeMMH5/wzo8EfRA6JIi9medHY1/vRRCUDz/1NGI:2Ib75SsA6J/X41/JRCUv/1NG

Malware Config

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

      55bdcc2b5a25a711fb46e9ac4fd88da91c65f799f9faec3273f818b5a65c20fa

    • Size

      12.3MB

    • MD5

      6b0a37137d17f0567085049d8594c696

    • SHA1

      313b9567951fb5b18e234110d9aefebb6892f9ea

    • SHA256

      55bdcc2b5a25a711fb46e9ac4fd88da91c65f799f9faec3273f818b5a65c20fa

    • SHA512

      f0e90159f959aff29fe93d1ab0ea575585d54fa51df877e277feeced4c0963405999019d097b9bbf8dc1ed8c050364b717b6553d63d24ca82b12a93a9f0a12fb

    • SSDEEP

      196608:6ZCabeKeMMH5/wzo8EfRA6JIi9medHY1/vRRCUDz/1NGI:2Ib75SsA6J/X41/JRCUv/1NG

    • Glupteba

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

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • xmrig

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

    • Modifies boot configuration data using bcdedit

    • XMRig Miner payload

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Stops running service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks