Overview

overview

10

Static

static

8

00d5e412b5...ee.exe

windows7_x64

1

00d5e412b5...ee.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    00d5e412b5291821d1d494e993d6df45002cdedb9c750e4133f73ec6a67653ee

  • Size

    3.2MB

  • Sample

    220502-sz6nwsgcg6

  • MD5

    92a57e8a84eb3be8af9c64753c30781b

  • SHA1

    bd0717580833a366d3c2b4f8b368095714c4c98d

  • SHA256

    00d5e412b5291821d1d494e993d6df45002cdedb9c750e4133f73ec6a67653ee

  • SHA512

    dd3bcb529dfaab3470c62ee263cef66a3675cd3375d6f8b043b67f2a22564f86d0318c4fc79ad87e0579d2ceff93677745fecdab926141d5687ee3b5cb5753c2

Score
10/10
servhelperbackdoordiscoveryexploitpersistencetrojanupx

Malware Config

Targets

    • Target

      00d5e412b5291821d1d494e993d6df45002cdedb9c750e4133f73ec6a67653ee

    • Size

      3.2MB

    • MD5

      92a57e8a84eb3be8af9c64753c30781b

    • SHA1

      bd0717580833a366d3c2b4f8b368095714c4c98d

    • SHA256

      00d5e412b5291821d1d494e993d6df45002cdedb9c750e4133f73ec6a67653ee

    • SHA512

      dd3bcb529dfaab3470c62ee263cef66a3675cd3375d6f8b043b67f2a22564f86d0318c4fc79ad87e0579d2ceff93677745fecdab926141d5687ee3b5cb5753c2

    Score
    10/10
    servhelperbackdoordiscoveryexploitpersistencetrojanupx

    • 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.

    • 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

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Credential Access

Discovery

Lateral Movement

Remote Desktop Protocol

1
T1076

Collection

Exfiltration

Command and Control

Impact

Tasks