General

  • Target

    8f643f69a07dfb10835624ae616afaf6_JaffaCakes118

  • Size

    10.1MB

  • Sample

    240602-zqjw4afg65

  • MD5

    8f643f69a07dfb10835624ae616afaf6

  • SHA1

    0524eb639b292a19ee03d8f14894c6a0d9b510c1

  • SHA256

    9d1639d4dbe977d24acbe7736082be04af38e1493174a250815efc1d7b761135

  • SHA512

    3c351fe880df9fbc94c6b4fb0672c11c829227296975bfc23b7b73cab2b7f157342fe16c1345cfd506e3bd21f98e55f2a73410126c032dd80e3ddc3a334673d3

  • SSDEEP

    49152:f41T4ZS/yTAismxs008Kwm7lXRUf4AqlN/9akfz4NaWNODeDDfxvrWjEmG4/0oKb:f4p4ZS/y1

Malware Config

Extracted

Family

xtremerat

C2

shigra.sytes.net

Targets

    • Target

      8f643f69a07dfb10835624ae616afaf6_JaffaCakes118

    • Size

      10.1MB

    • MD5

      8f643f69a07dfb10835624ae616afaf6

    • SHA1

      0524eb639b292a19ee03d8f14894c6a0d9b510c1

    • SHA256

      9d1639d4dbe977d24acbe7736082be04af38e1493174a250815efc1d7b761135

    • SHA512

      3c351fe880df9fbc94c6b4fb0672c11c829227296975bfc23b7b73cab2b7f157342fe16c1345cfd506e3bd21f98e55f2a73410126c032dd80e3ddc3a334673d3

    • SSDEEP

      49152:f41T4ZS/yTAismxs008Kwm7lXRUf4AqlN/9akfz4NaWNODeDDfxvrWjEmG4/0oKb:f4p4ZS/y1

    • AdWind

      A Java-based RAT family operated as malware-as-a-service.

    • Class file contains resources related to AdWind

    • Detect XtremeRAT payload

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • UAC bypass

    • XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

    • Disables Task Manager via registry modification

    • Disables use of System Restore points

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks