Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-03-2024 21:21

General

  • Target

    NetSky.exe

  • Size

    17KB

  • MD5

    6f49434d7e4532520372a4721a7a9aec

  • SHA1

    979e0112b24c1f490653e47e4a340b37f72d17cd

  • SHA256

    15e48ef767e1b2d696d2f6beec08e12e6e6d8909c070347d2d10abe75c120495

  • SHA512

    9c86461d65fa52dc0e2ab15f3b95b75fe572f7e46b20ada7fcae57b9fd5355bee6e31b47183d5465e97bc72a065fa96dc8330667fbd3e69b13ed561600e6672c

  • SSDEEP

    384:7/q2Nfs60PUnfTSILFm4UY2t9L+a30Bpk+3NyqSTqOvSKz:XNNXnmwygkmNHSY

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Unexpected DNS network traffic destination 64 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in Windows directory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NetSky.exe
    "C:\Users\Admin\AppData\Local\Temp\NetSky.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Windows directory
    PID:2692

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2692-1-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

  • memory/2692-2-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

  • memory/2692-4-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB