Extracted

• • Target

    4069c013a2ec0c082f78a73719dcabb7_JaffaCakes118

  • Size

    5.9MB

  • MD5

    4069c013a2ec0c082f78a73719dcabb7

  • SHA1

    14d643ed38a6c64c299bc24379b5b66ac958aff6

  • SHA256

    2f279b760ab7916b996d451904e1fea41c0f01bae1c80faddf667b8a865d1a0c

  • SHA512

    5a5bdfa931a1f9a2b8855e6331669404f332f504f15a5eae7fb6e51f7ac99bbb83f5c986931fadb00c761e81617a47707cff811eb6e2ebf55369cec8f6002f05

  • SSDEEP

    49152:pFWJLirb/TkvO90dL3BmAFd4A64nsfJ5mb5KN0ZKrVbLMe8paAzK1X4FXtPqnJ0x:pF8mmMmAQQQQQQQQQQQQQ

  Score

  10^/10

  servhelperbackdoordefense_evasiondiscoveryexecutionexploitlateral_movementpersistencetrojanupx

  • 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.

  • Remote Service Session Hijacking: RDP Hijacking

    Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

    lateral_movement

  • Blocklisted process makes network request

  • Indicator Removal: Network Share Connection Removal

    Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation.

    defense_evasion

  • Modifies RDP port number used by Windows

  • Possible privilege escalation attempt

    exploit

  • Server Software Component: Terminal Services DLL

    persistence

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Indicator Removal: File Deletion

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion

  • Legitimate hosting services abused for malware hosting/C2

  • Drops file in System32 directory

  • UPX packed file

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

    upx
  behavioral1behavioral2