General

  • Target

    smokey_loader.exe

  • Size

    40KB

  • Sample

    200827-84pwc3q9fn

  • MD5

    112f0d958cadae441b1b1624e270ce38

  • SHA1

    c3823572821f717fd6a9537febb66ad566b2081a

  • SHA256

    b1d0d50f6e59811b2985ddbedbaed3813f5f3b1e81d4c4e3a517b76ac0a53ce8

  • SHA512

    f444d911b5547e53b953e6500cf81986023667878aef3f787fa7642f211ace315901c1de8c4ef6df4a199e4878c92f2fe45bdb1cacfee2c658c39e4505467e83

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rexstat35x.xyz/statweb955/

http://dexspot2x.xyz/statweb955/

http://atxspot20x.xyz/statweb955/

http://rexspot7x.xyz/statweb955/

http://fdmail85.club/statweb955/

http://servicem977x.xyz/statweb955/

http://advertxman7x.xyz/statweb955/

http://starxpush7x.xyz/statweb955/

rc4.i32
rc4.i32

Targets

    • Target

      smokey_loader.exe

    • Size

      40KB

    • MD5

      112f0d958cadae441b1b1624e270ce38

    • SHA1

      c3823572821f717fd6a9537febb66ad566b2081a

    • SHA256

      b1d0d50f6e59811b2985ddbedbaed3813f5f3b1e81d4c4e3a517b76ac0a53ce8

    • SHA512

      f444d911b5547e53b953e6500cf81986023667878aef3f787fa7642f211ace315901c1de8c4ef6df4a199e4878c92f2fe45bdb1cacfee2c658c39e4505467e83

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Executes dropped EXE

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks