Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 19:55

General

  • Target

    144eb5d99347a93b3eba1fc45f756f2a833a9eb023a062ee7745c731007d5514.exe

  • Size

    7.7MB

  • MD5

    2e50203cad64085331e5700d30f97f79

  • SHA1

    1ab052c24ee4f172be5764472f9ba9364c9c8e1d

  • SHA256

    144eb5d99347a93b3eba1fc45f756f2a833a9eb023a062ee7745c731007d5514

  • SHA512

    207baaef535e35d206b0c3b96e62db68b5dd133f18db6dd54cf3630e680f369742aef6acf472563994e15d3db1f189ac980b85aa2fd2602fe146ed06201f8582

  • SSDEEP

    196608:NcvnSjQK8LhKn1mbdIJSHDxnSP6fzsP4oR+JP5A5:NYnSokcbdIWVglw25

Malware Config

Extracted

Family

metasploit

Version

windows/shell_reverse_tcp

C2

147.93.131.12:4444

Signatures

  • MetaSploit

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

  • Metasploit family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\144eb5d99347a93b3eba1fc45f756f2a833a9eb023a062ee7745c731007d5514.exe
    "C:\Users\Admin\AppData\Local\Temp\144eb5d99347a93b3eba1fc45f756f2a833a9eb023a062ee7745c731007d5514.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Users\Admin\AppData\Local\Temp\is-DFBV1.tmp\144eb5d99347a93b3eba1fc45f756f2a833a9eb023a062ee7745c731007d5514.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DFBV1.tmp\144eb5d99347a93b3eba1fc45f756f2a833a9eb023a062ee7745c731007d5514.tmp" /SL5="$400E0,7230745,947712,C:\Users\Admin\AppData\Local\Temp\144eb5d99347a93b3eba1fc45f756f2a833a9eb023a062ee7745c731007d5514.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Program Files (x86)\Calculator\Calculator.exe
        "C:\Program Files (x86)\Calculator\Calculator.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Calculator\Calculator.exe

    Filesize

    2.1MB

    MD5

    7fcfc4cba752e08280cc26e5a6167423

    SHA1

    04062cbb125cbb42d10c106cfb714c2844f257d0

    SHA256

    0a27a1e5b10338c95ce446227d12903b907aedda68cfcfcce84a987ae9496dd2

    SHA512

    925da9267619a09a4c28c4ce40d4cb95471448eeeabc6289e4da308a9bd7fd49826bac153556b3e0e4c9b665b38e919e3d5c266177592c20827f7e14422a192a

  • \Program Files (x86)\Calculator\python39.dll

    Filesize

    4.3MB

    MD5

    6ea7584918af755ba948a64654a0a61a

    SHA1

    aa6bfb6f97c37d79e5499b54dc24f753b47f6de0

    SHA256

    3007a651d8d704fc73428899aec8788b8c8c7b150067e31b35bf5a3bd913f9b6

    SHA512

    d00e244b7fccdbec67e6b147827c82023dd9cb28a14670d13461462f0fbbe9e3c5b422a5207a3d08484eb2e05986386729a4973023519eb453ee4467f59d4a80

  • \Users\Admin\AppData\Local\Temp\is-DFBV1.tmp\144eb5d99347a93b3eba1fc45f756f2a833a9eb023a062ee7745c731007d5514.tmp

    Filesize

    3.1MB

    MD5

    e1b77f21aa3871899eeac9b167ab1917

    SHA1

    471fc8c835d08f75a90892640cd5acbc03808125

    SHA256

    fee8b99bed3f5eb23cf9dca40accd0719582f128da302274fa517ac92e33450a

    SHA512

    2b7f2c3c04436e4a7a3ba68089e3f70d4699d85ae5030d29c871deff90f1b49881c9805179881ab3fd88f46f5bc2e6ec27d271cdf1369d67a3fdf7950b565eb0

  • memory/2508-15-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/2508-11-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/2508-615-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/2508-1925-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/2516-12-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2516-0-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2516-13-0x0000000000400000-0x0000000000BCB000-memory.dmp

    Filesize

    7.8MB

  • memory/2516-2-0x0000000000400000-0x0000000000BCB000-memory.dmp

    Filesize

    7.8MB

  • memory/2516-4-0x0000000000401000-0x00000000004B7000-memory.dmp

    Filesize

    728KB

  • memory/2516-1926-0x0000000000400000-0x0000000000BCB000-memory.dmp

    Filesize

    7.8MB