Resubmissions

General

  • Target

    Example.exe

  • Size

    72KB

  • Sample

    240524-q38asaga8v

  • MD5

    769acadd308f5e635ba0f60255258d22

  • SHA1

    5139323e6c04c0ac7ddafbce0d84a40dd0e22ff7

  • SHA256

    adbabdf88158f3e792220225c4adfcc2365ebbc9944b3f889535c911395c6e32

  • SHA512

    333aabaff89d67f5878392390519e4c8af0e6edf6d2ef52213c9c3ab9a712ab602f294e2f0cb8bd8426e17310d5850256f488463a558bafe232e302a88499ae0

  • SSDEEP

    1536:IfEWlH3PB9hfNu13I2M/rOgmVU4JMb+KR0Nc8QsJq39:sEW5Rfc38/rCVte0Nc8QsC9

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_http

C2

http://89.197.154.116:7810/_n2FhQsri0qDbYJs5SL36gPEbqqjEMToTP1hIlmJ--o3hdWcF1UzdLme4PK4Jgp_xV4sF7-6Ax2hdDABs2pJ9fkDvKLjv4LgCu5HUw3s561jklwzdZhKfGS13lKNSRJC0Hm-48wy11TFYlbo8JPCAaH2Bvzyc52vBHt_LHZo2aZzbZ3

Targets

    • Target

      Example.exe

    • Size

      72KB

    • MD5

      769acadd308f5e635ba0f60255258d22

    • SHA1

      5139323e6c04c0ac7ddafbce0d84a40dd0e22ff7

    • SHA256

      adbabdf88158f3e792220225c4adfcc2365ebbc9944b3f889535c911395c6e32

    • SHA512

      333aabaff89d67f5878392390519e4c8af0e6edf6d2ef52213c9c3ab9a712ab602f294e2f0cb8bd8426e17310d5850256f488463a558bafe232e302a88499ae0

    • SSDEEP

      1536:IfEWlH3PB9hfNu13I2M/rOgmVU4JMb+KR0Nc8QsJq39:sEW5Rfc38/rCVte0Nc8QsC9

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies WinLogon for persistence

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

8
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Remote Services

1
T1021

Remote Desktop Protocol

1
T1021.001

Collection

Data from Local System

1
T1005

Tasks