Analysis

  • max time kernel
    147s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    17/06/2024, 05:55

General

  • Target
    54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe
  • Size 5.9MB
  • Sample240617-gmetvsxcnd
  • SHA256 54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socks5systemz

C2
  • ccbunrv.net

  • http://ccbunrv.net/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f88ff12c7e795

  • http://ccbunrv.net/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12eab517aa5c96bd86ec91804f865a8bbc896c58e713bc90c91836b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8e995993cc56f

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Unexpected DNS network traffic destination 1 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\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe
    "C:\Users\Admin\AppData\Local\Temp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\is-A74NR.tmp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-A74NR.tmp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp" /SL5="$110152,5906638,54272,C:\Users\Admin\AppData\Local\Temp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:948
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2520

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        lampungsoundstage32.exe

        • Path \Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
        • Size 3.8MB
        • SHA256 1651a56c2d166460319222fe5bbd19cae6b2911db2153c476d6a16ec63995166
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path \Users\Admin\AppData\Local\Temp\is-3KTE8.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        _isdecmp.dll

        • Path \Users\Admin\AppData\Local\Temp\is-3KTE8.tmp\_isetup\_isdecmp.dll
        • Size 13KB
        • SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
        • MD5 SHA1 SHA512 SSDEEP

        _shfoldr.dll

        • Path \Users\Admin\AppData\Local\Temp\is-3KTE8.tmp\_isetup\_shfoldr.dll
        • Size 22KB
        • SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
        • MD5 SHA1 SHA512 SSDEEP

        54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp

        • Path \Users\Admin\AppData\Local\Temp\is-A74NR.tmp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
        • Size 680KB
        • SHA256 d44cb08a6d7e9c723d71932028ea8d43bccbecf37ec01654b76c4299bdeef35a
        • MD5 SHA1 SHA512 SSDEEP

        memory/948-68-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/948-73-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/948-69-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/1892-82-0x0000000003500000-0x00000000038C8000-memory.dmp

        memory/1892-12-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/1892-66-0x0000000003500000-0x00000000038C8000-memory.dmp

        memory/1892-78-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/2012-2-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/2012-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2012-77-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2520-95-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-105-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-83-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-86-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-89-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-92-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-75-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-96-0x0000000002710000-0x00000000027B2000-memory.dmp

        memory/2520-102-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-79-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-108-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-111-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-114-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-117-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-121-0x0000000002710000-0x00000000027B2000-memory.dmp

        memory/2520-120-0x0000000002710000-0x00000000027B2000-memory.dmp

        memory/2520-123-0x0000000000400000-0x00000000007C8000-memory.dmp

        memory/2520-126-0x0000000000400000-0x00000000007C8000-memory.dmp