Analysis

  • max time kernel
    293s
  • max time network
    283s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2024, 23:35

General

  • Target
    de749de6b3ee2b2af538c6bfeb61841cfb7e5d11143673413ce47ff7a2272f1d.exe
  • Size 4.5MB
  • Sample240530-3lfknafd48
  • SHA256 de749de6b3ee2b2af538c6bfeb61841cfb7e5d11143673413ce47ff7a2272f1d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Unexpected DNS network traffic destination 2 IoCs

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

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de749de6b3ee2b2af538c6bfeb61841cfb7e5d11143673413ce47ff7a2272f1d.exe
    "C:\Users\Admin\AppData\Local\Temp\de749de6b3ee2b2af538c6bfeb61841cfb7e5d11143673413ce47ff7a2272f1d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\is-AALSL.tmp\de749de6b3ee2b2af538c6bfeb61841cfb7e5d11143673413ce47ff7a2272f1d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-AALSL.tmp\de749de6b3ee2b2af538c6bfeb61841cfb7e5d11143673413ce47ff7a2272f1d.tmp" /SL5="$40150,4484316,54272,C:\Users\Admin\AppData\Local\Temp\de749de6b3ee2b2af538c6bfeb61841cfb7e5d11143673413ce47ff7a2272f1d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe
        "C:\Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2720
      • C:\Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe
        "C:\Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2916

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        submoremediaplayer32.exe

        • Path \Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe
        • Size 2.9MB
        • SHA256 06b3885ebf46709df2a21c96453814b3c518c09eed3506a551547a34741089d1
        • MD5 SHA1 SHA512 SSDEEP

        de749de6b3ee2b2af538c6bfeb61841cfb7e5d11143673413ce47ff7a2272f1d.tmp

        • Path \Users\Admin\AppData\Local\Temp\is-AALSL.tmp\de749de6b3ee2b2af538c6bfeb61841cfb7e5d11143673413ce47ff7a2272f1d.tmp
        • Size 680KB
        • SHA256 1affeed602ac019e9274932be152257f6b4dde1fee65c4d4f9b5f64bf1d758b9
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path \Users\Admin\AppData\Local\Temp\is-NTE82.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        _shfoldr.dll

        • Path \Users\Admin\AppData\Local\Temp\is-NTE82.tmp\_isetup\_shfoldr.dll
        • Size 22KB
        • SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
        • MD5 SHA1 SHA512 SSDEEP

        memory/1968-2-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/1968-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/1968-73-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2720-65-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2720-66-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2720-69-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2752-76-0x0000000004130000-0x0000000004412000-memory.dmp

        memory/2752-17-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/2752-63-0x0000000004130000-0x0000000004412000-memory.dmp

        memory/2752-74-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/2916-79-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-107-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-71-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-82-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-85-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-88-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-91-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-92-0x0000000002270000-0x0000000002312000-memory.dmp

        memory/2916-98-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-101-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-104-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-75-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-110-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-113-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-116-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-119-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-122-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-126-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-129-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-132-0x0000000000400000-0x00000000006E2000-memory.dmp

        memory/2916-135-0x0000000000400000-0x00000000006E2000-memory.dmp