General

  • Target

    cc3aaba428a1c44fe66637a0a8cdb6e8d83754a158f24b2ef715120bcb143b2e

  • Size

    333KB

  • Sample

    220126-rys6qsech9

  • MD5

    255f22042f10c16c999fa284e1fed1bb

  • SHA1

    e1dbbf99d89203a1c908a081e207e905ebddd4fd

  • SHA256

    cc3aaba428a1c44fe66637a0a8cdb6e8d83754a158f24b2ef715120bcb143b2e

  • SHA512

    5787b0132c1507f586571bc33c29fb183d3f34e744dc75d3fdf2fdf92f121dcbd02dac4d495eed01c578a438ae7fb4844d8dc1971389ccbcb3e652916bc97657

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://abpa.at/upload/

http://emaratghajari.com/upload/

http://d7qw.cn/upload/

http://alumik-group.ru/upload/

http://zamkikurgan.ru/upload/

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

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

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Targets

    • Target

      cc3aaba428a1c44fe66637a0a8cdb6e8d83754a158f24b2ef715120bcb143b2e

    • Size

      333KB

    • MD5

      255f22042f10c16c999fa284e1fed1bb

    • SHA1

      e1dbbf99d89203a1c908a081e207e905ebddd4fd

    • SHA256

      cc3aaba428a1c44fe66637a0a8cdb6e8d83754a158f24b2ef715120bcb143b2e

    • SHA512

      5787b0132c1507f586571bc33c29fb183d3f34e744dc75d3fdf2fdf92f121dcbd02dac4d495eed01c578a438ae7fb4844d8dc1971389ccbcb3e652916bc97657

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Downloads MZ/PE file

    • 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