Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-05-2024 10:53

General

  • Target

    fd3f48be97abe0e504038fd143d248991bb8c3559b74aaf7ca7eb5ec465c628b.exe

  • Size

    1.7MB

  • MD5

    57db7f1815015a7f7a266f3fde48f395

  • SHA1

    4d563b7afef70df4a8a65e68e830494ffd51f149

  • SHA256

    fd3f48be97abe0e504038fd143d248991bb8c3559b74aaf7ca7eb5ec465c628b

  • SHA512

    81b7faf51ceca0a577f43fe51791e1f12c49bf5c8a8e073344429ea9df1d013aab32b9d73070ab866a359420878757169aa523f35902c265fed76dc5ae95c8b5

  • SSDEEP

    49152:FfkflZUokpXob39cid+mSuHf81ocITFeNr:Ff0l3AXq33d+vuHf81BN

Malware Config

Extracted

Family

cobaltstrike

C2

http://121.196.245.40:80/D5nv

Attributes
  • user_agent

    User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd3f48be97abe0e504038fd143d248991bb8c3559b74aaf7ca7eb5ec465c628b.exe
    "C:\Users\Admin\AppData\Local\Temp\fd3f48be97abe0e504038fd143d248991bb8c3559b74aaf7ca7eb5ec465c628b.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Enumerates system info in registry
    PID:2320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2320-0-0x0000000000400000-0x0000000000623000-memory.dmp

    Filesize

    2.1MB

  • memory/2320-1-0x0000000000400000-0x0000000000623000-memory.dmp

    Filesize

    2.1MB

  • memory/2320-2-0x0000000000400000-0x0000000000623000-memory.dmp

    Filesize

    2.1MB

  • memory/2320-3-0x0000000000401000-0x0000000000404000-memory.dmp

    Filesize

    12KB

  • memory/2320-4-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2320-5-0x0000000000400000-0x0000000000623000-memory.dmp

    Filesize

    2.1MB