General

  • Target

    93673428ab10fc2ec7e70b06232346d3efaa58db48b904bc51c1a9a9752f2238

  • Size

    186KB

  • Sample

    211028-rtsdmsgebq

  • MD5

    cc0b6e7953afa60c22bf5b04d643bc16

  • SHA1

    8bd923ade8f0b90ae4fd16208ed46400003faffe

  • SHA256

    93673428ab10fc2ec7e70b06232346d3efaa58db48b904bc51c1a9a9752f2238

  • SHA512

    f644b697f778afc1f6df0f8782cff161f22fb55c52c789a11658def1d3c8ee2cebf7dff3c38b20e3acba6dd27ca09898cd93c595dcf30da3db574c7b3c151fdc

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

smokeloader

Version

2020

C2

http://brandyjaggers.com/upload/

http://andbal.com/upload/

http://alotofquotes.com/upload/

http://szpnc.cn/upload/

http://uggeboots.com/upload/

http://100klv.com/upload/

http://rapmusic.at/upload/

rc4.i32
rc4.i32

Targets

    • Target

      93673428ab10fc2ec7e70b06232346d3efaa58db48b904bc51c1a9a9752f2238

    • Size

      186KB

    • MD5

      cc0b6e7953afa60c22bf5b04d643bc16

    • SHA1

      8bd923ade8f0b90ae4fd16208ed46400003faffe

    • SHA256

      93673428ab10fc2ec7e70b06232346d3efaa58db48b904bc51c1a9a9752f2238

    • SHA512

      f644b697f778afc1f6df0f8782cff161f22fb55c52c789a11658def1d3c8ee2cebf7dff3c38b20e3acba6dd27ca09898cd93c595dcf30da3db574c7b3c151fdc

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • suricata: ET MALWARE ServHelper CnC Inital Checkin

      suricata: ET MALWARE ServHelper CnC Inital Checkin

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Sets DLL path for service in the registry

    • UPX packed file

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

    • Deletes itself

    • Loads dropped DLL

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Remote Desktop Protocol

1
T1076

Tasks