General

  • Target

    VoltageRL.exe

  • Size

    70.9MB

  • Sample

    240409-pb5j5shh4v

  • MD5

    eca1ea51fb671ec0cd6e350ae10cee5c

  • SHA1

    ad115944babba1f4b664cea266a18e9d4683388d

  • SHA256

    1c97e0f3e4d416a7b7afbe94e2229bec1e1c6bc5328b7e67ca1f979b388841a3

  • SHA512

    67ff13226ec11da72cb3fbaba720a57f5b689c85fcacdedab6291600441ab10326b504273cd97842b983ebd15279a6ad99eab1682de894ee5daa07cd84f1ebc0

  • SSDEEP

    1572864:24/4rzOchP6xlsOpyayHtLYTD7gwVXM80Xn6qYLhCKi+LEx0a/9C7:9kqcdGlsVlH+kwVXM8VBCzv00C7

Malware Config

Targets

    • Target

      VoltageRL.exe

    • Size

      70.9MB

    • MD5

      eca1ea51fb671ec0cd6e350ae10cee5c

    • SHA1

      ad115944babba1f4b664cea266a18e9d4683388d

    • SHA256

      1c97e0f3e4d416a7b7afbe94e2229bec1e1c6bc5328b7e67ca1f979b388841a3

    • SHA512

      67ff13226ec11da72cb3fbaba720a57f5b689c85fcacdedab6291600441ab10326b504273cd97842b983ebd15279a6ad99eab1682de894ee5daa07cd84f1ebc0

    • SSDEEP

      1572864:24/4rzOchP6xlsOpyayHtLYTD7gwVXM80Xn6qYLhCKi+LEx0a/9C7:9kqcdGlsVlH+kwVXM8VBCzv00C7

    • Downloads MZ/PE file

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Registers COM server for autorun

    • UPX packed file

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

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • 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 Enterprise v15

Tasks