Extracted

Extracted

• • Target

    ustwo_20210607-133958

  • Size

    120KB

  • MD5

    bc3443ee6ebeac5b40d789367a61cc36

  • SHA1

    3aca0e6d34866853b9ed702d76e0222952451eb4

  • SHA256

    875f42b4ae4e80050231b14e50770f8e51a7b1f9887504ab6699860c9d37d09c

  • SHA512

    bb2450f210eb7ab34a51c91b28edbfb671570d47a9c8033fd74dc1437c2e99107e4052a8a6a911b6ccf5d29fa206bb173064a83ea47cddd83819079260430240

  Score

  10^/10

  redlineservhelpern6backdoordiscoveryexploitinfostealerpersistencespywarestealertrojanupx

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    infostealerredline

  • RedLine Payload

  • ServHelper

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

    trojanbackdoorservhelper

  • 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

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Checks installed software on the system

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

    discovery

  • 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

  behavioral1behavioral2