Overview

overview

10

Static

static

67731976f3...98.exe

windows7_x64

1

67731976f3...98.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    67731976f3ca148c7983dadef66659256d18766ba4f956a40ed3abcf2619ae98

  • Size

    3.4MB

  • Sample

    220419-gtahqabgf5

  • MD5

    512608823063f8b9568f67eb89337856

  • SHA1

    57d0fb5026bbc365789b3999a8c35c7a6f79bbff

  • SHA256

    67731976f3ca148c7983dadef66659256d18766ba4f956a40ed3abcf2619ae98

  • SHA512

    ecc7e4783a01f50fa6d7b7415d53d0c75f12c7c979d876f52739a9fbc9b784fb7ae4852a9098956e2c82d7f019c4815e7d8f0d2afcd728e708ae42de557f11fb

Score
10/10
servhelperbackdoordiscoveryexploitpersistencetrojanupx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Targets

    • Target

      67731976f3ca148c7983dadef66659256d18766ba4f956a40ed3abcf2619ae98

    • Size

      3.4MB

    • MD5

      512608823063f8b9568f67eb89337856

    • SHA1

      57d0fb5026bbc365789b3999a8c35c7a6f79bbff

    • SHA256

      67731976f3ca148c7983dadef66659256d18766ba4f956a40ed3abcf2619ae98

    • SHA512

      ecc7e4783a01f50fa6d7b7415d53d0c75f12c7c979d876f52739a9fbc9b784fb7ae4852a9098956e2c82d7f019c4815e7d8f0d2afcd728e708ae42de557f11fb

    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.

    • Blocklisted process makes network request

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Web Service

1
T1102

Impact

Tasks