General

  • Target

    ac7560fd5eae593bc3dd81a19f68647f.exe

  • Size

    380KB

  • Sample

    210526-8ftcx2nnkx

  • MD5

    ac7560fd5eae593bc3dd81a19f68647f

  • SHA1

    e6addb41986cf296d935f60d3d61f595dbd26857

  • SHA256

    f92ea3668a35fbf6e26ba93ed3c2ee31235e41013b79cd661aa061d1327540d9

  • SHA512

    eac194e25ec730dafb1ea03378ba33ba52bc3d01be785bd24a73ffcaf05a1b8c26c624238c27d6108b32d19dd5679d80493c2582190eb2e6d604365796e270ad

Malware Config

Targets

    • Target

      ac7560fd5eae593bc3dd81a19f68647f.exe

    • Size

      380KB

    • MD5

      ac7560fd5eae593bc3dd81a19f68647f

    • SHA1

      e6addb41986cf296d935f60d3d61f595dbd26857

    • SHA256

      f92ea3668a35fbf6e26ba93ed3c2ee31235e41013b79cd661aa061d1327540d9

    • SHA512

      eac194e25ec730dafb1ea03378ba33ba52bc3d01be785bd24a73ffcaf05a1b8c26c624238c27d6108b32d19dd5679d80493c2582190eb2e6d604365796e270ad

    • ElysiumStealer

      ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

    • PlugX

      PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks