Extracted

Extracted

• • Target

    2b858c79a8a7a652f8cb60059eb7a95a.exe

  • Size

    343KB

  • MD5

    2b858c79a8a7a652f8cb60059eb7a95a

  • SHA1

    e669008a553976d275388ee02e49d5c938a6c27b

  • SHA256

    991e3c5fb9946ed0490a723a541bda0f36a9b94fff8a68f6729c15e1044dd954

  • SHA512

    c893d061191282d82bb421ef587b5c0dd973a31aec371d1bba6aba83a5a48444bc1660b9aa80d0f8f1f3beceb86825de2b249a0ffb64c905588f11c4a0bae8c9

  Score

  10^/10

  servhelpersmokeloaderbackdoordiscoveryexploitpersistencesuricatatrojanupx

  • ServHelper

    ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    trojanbackdoorservhelper

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader

  • suricata: ET MALWARE ServHelper CnC Inital Checkin

    suricata: ET MALWARE ServHelper CnC Inital Checkin

    suricata

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata

  • Grants admin privileges

    Uses net.exe to modify the user's privileges.

  • Blocklisted process makes network request

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Modifies RDP port number used by Windows

  • Possible privilege escalation attempt

    exploit

  • Sets DLL path for service in the registry

    persistence

  • UPX packed file

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

    upx

  • Deletes itself

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Drops file in System32 directory

  behavioral1behavioral2