General

  • Target

    71a48f2ce5e665c7b8d058f56e15b5890dca951f3b812e6a85e91ae3379afdae

  • Size

    205KB

  • Sample

    250405-jrrekas1es

  • MD5

    4a9f9117844a1bb194be94f2f706937c

  • SHA1

    3428134c082eba947a439b2f0645bd2a5e3847d1

  • SHA256

    71a48f2ce5e665c7b8d058f56e15b5890dca951f3b812e6a85e91ae3379afdae

  • SHA512

    372ef57c9c24ae20b738fb4463076aa9d6b8224fac1e939771d1089f69589a6f23b0301623ca004d1dd1beb6cdb202fdc8900d28a11958ed1a9eb70ebadbd22e

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF:X2vnSwjaOcADw9cUeCOf

Malware Config

Extracted

Family

gh0strat

C2

107.163.241.193:6520

http://107.163.241.181:16300/

http://107.163.241.182:12354/login.php

Attributes
  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))

    Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)

Targets

    • Target

      71a48f2ce5e665c7b8d058f56e15b5890dca951f3b812e6a85e91ae3379afdae

    • Size

      205KB

    • MD5

      4a9f9117844a1bb194be94f2f706937c

    • SHA1

      3428134c082eba947a439b2f0645bd2a5e3847d1

    • SHA256

      71a48f2ce5e665c7b8d058f56e15b5890dca951f3b812e6a85e91ae3379afdae

    • SHA512

      372ef57c9c24ae20b738fb4463076aa9d6b8224fac1e939771d1089f69589a6f23b0301623ca004d1dd1beb6cdb202fdc8900d28a11958ed1a9eb70ebadbd22e

    • SSDEEP

      3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF:X2vnSwjaOcADw9cUeCOf

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    • Gh0strat family

    • Deletes itself

    • 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.

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v15

Tasks