General

  • Target

    cf9d2a1e77247986e1879c701c9e12347fda167fd26ce3bf32df8f4c4eb0594b

  • Size

    316KB

  • Sample

    220125-jwjwaabga9

  • MD5

    469e391a2cade8cac9a0ca180ee3c51d

  • SHA1

    06e2492ffe14cbc47a85d112e556d32403c7c53b

  • SHA256

    cf9d2a1e77247986e1879c701c9e12347fda167fd26ce3bf32df8f4c4eb0594b

  • SHA512

    c5f9e9a878b186fafe9da4390c1164186bf0c6de534345ef4bddcdbd3638e30e15af5599d632c03fa0c24d56484520f3b057b73903c23953732f99e323ec788f

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

https://oakland-studio.video/search.php

https://seattle-university.video/search.php

rc4.i32
rc4.i32

Targets

    • Target

      cf9d2a1e77247986e1879c701c9e12347fda167fd26ce3bf32df8f4c4eb0594b

    • Size

      316KB

    • MD5

      469e391a2cade8cac9a0ca180ee3c51d

    • SHA1

      06e2492ffe14cbc47a85d112e556d32403c7c53b

    • SHA256

      cf9d2a1e77247986e1879c701c9e12347fda167fd26ce3bf32df8f4c4eb0594b

    • SHA512

      c5f9e9a878b186fafe9da4390c1164186bf0c6de534345ef4bddcdbd3638e30e15af5599d632c03fa0c24d56484520f3b057b73903c23953732f99e323ec788f

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

5
T1082

Process Discovery

1
T1057

Tasks