Extracted

• • Target

    8d5b421f25dba8060d6d0975b71c491cf60817e956327bbc12e1055a44637529

  • Size

    295KB

  • MD5

    ffaaa5541a20810de4826873c40040e9

  • SHA1

    6203dea1d5d4931ace5c2b98519970f35dbf8a4a

  • SHA256

    8d5b421f25dba8060d6d0975b71c491cf60817e956327bbc12e1055a44637529

  • SHA512

    f49cabd9235c137fc03ebff9f194f2c31304d0a6724d58b8d654ddebbba8aedeeec43e65548f5b5377a3c81c4fc55a60c849840471f307ca272e10a00b3b8f63

  Score

  10^/10

  servhelpersmokeloaderxmrigbackdoordiscoveryevasionminerpersistencespywarestealersuricatathemidatrojan

  • 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 Known Sinkhole Response Header

    suricata: ET MALWARE Known Sinkhole Response Header

    suricata

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig

  • Grants admin privileges

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    evasion

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Modifies RDP port number used by Windows

  • Sets DLL path for service in the registry

    persistence

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself

  • Loads dropped DLL

  • Reads user/profile data of local email clients

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • 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

  • Checks whether UAC is enabled

    evasiontrojan

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1