General

  • Target

    4c4e0c61380662adc756d147f9c51ead1d3a6913f49510eae2766270b778f427

  • Size

    5.2MB

  • Sample

    231013-cb1vqsab5v

  • MD5

    3bffffda1e470fede020d005d03929da

  • SHA1

    42bffdd24aa6e60b3b0807ff2aa5d321c9e3d9c6

  • SHA256

    4c4e0c61380662adc756d147f9c51ead1d3a6913f49510eae2766270b778f427

  • SHA512

    efd5e2fcf4c4f1dd07b3e6fde1394259c549dfc62f6530dda61abab40f7f8316604ee6eacea28407c6add8b3e2c8438b4bff38b598961cd425142685dd382d74

  • SSDEEP

    98304:CI4SpjHLG9bNutbyeexd2jqLGAXXdAW6eH65r:vpjHLGBibyeuoD/eHgr

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      4c4e0c61380662adc756d147f9c51ead1d3a6913f49510eae2766270b778f427

    • Size

      5.2MB

    • MD5

      3bffffda1e470fede020d005d03929da

    • SHA1

      42bffdd24aa6e60b3b0807ff2aa5d321c9e3d9c6

    • SHA256

      4c4e0c61380662adc756d147f9c51ead1d3a6913f49510eae2766270b778f427

    • SHA512

      efd5e2fcf4c4f1dd07b3e6fde1394259c549dfc62f6530dda61abab40f7f8316604ee6eacea28407c6add8b3e2c8438b4bff38b598961cd425142685dd382d74

    • SSDEEP

      98304:CI4SpjHLG9bNutbyeexd2jqLGAXXdAW6eH65r:vpjHLGBibyeuoD/eHgr

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • 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