Analysis

  • max time kernel
    293s
  • max time network
    285s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 22:45

General

  • Target

    35a88fd7e97963557b4147ed2d46e0e1eb7fd7244797844fcd24761f12492b21.exe

  • Size

    5.3MB

  • MD5

    bd9f2fa441d7f27ca991c72b7b5613cc

  • SHA1

    c5539c9c66b2af951ac7388b8c8d7be0f4bc4c2a

  • SHA256

    35a88fd7e97963557b4147ed2d46e0e1eb7fd7244797844fcd24761f12492b21

  • SHA512

    ed78496a4cec6c57c24ce6cfeeb1ae4727bc2463f479a2945b4b9a517e88abe17d2f7209380931e97b53dd70fda30cda20fda2fa73c3868c3d4e22da34fdf3a2

  • SSDEEP

    98304:mEPNlcLwy+P7NCMoTi7UaeZ9HXwZ5v1xJdP+myfHEBU6yF1:hNOky+xLorNZZs5vPJdP+xvVF1

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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\35a88fd7e97963557b4147ed2d46e0e1eb7fd7244797844fcd24761f12492b21.exe
    "C:\Users\Admin\AppData\Local\Temp\35a88fd7e97963557b4147ed2d46e0e1eb7fd7244797844fcd24761f12492b21.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\is-A5VCM.tmp\35a88fd7e97963557b4147ed2d46e0e1eb7fd7244797844fcd24761f12492b21.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-A5VCM.tmp\35a88fd7e97963557b4147ed2d46e0e1eb7fd7244797844fcd24761f12492b21.tmp" /SL5="$4001C,5349242,54272,C:\Users\Admin\AppData\Local\Temp\35a88fd7e97963557b4147ed2d46e0e1eb7fd7244797844fcd24761f12492b21.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1212
      • C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe
        "C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2560
      • C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe
        "C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-A5VCM.tmp\35a88fd7e97963557b4147ed2d46e0e1eb7fd7244797844fcd24761f12492b21.tmp

    Filesize

    680KB

    MD5

    8d7bfa2fafebdbff501549e13c0a35ad

    SHA1

    70f77afb2a2ae71acfe192a7bf907b0ef9dc3a18

    SHA256

    a5681e01514ac58b8f172078e7de5567e98f028104a1d88655b88bfdddfe8bfc

    SHA512

    1648dbcf876a0fdc69399e960e1a6db437f07e35f30cfac44b65bffa93aa418a01e9c3cc1ec472c8ed657976f2b65aa6fa81e3b9f691e27c94372442e92769f3

  • \Users\Admin\AppData\Local\Temp\is-AR8KT.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-AR8KT.tmp\_isetup\_isdecmp.dll

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • \Users\Admin\AppData\Local\Temp\is-AR8KT.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe

    Filesize

    2.9MB

    MD5

    0e42aa6a426c84a0e078662b601c24ed

    SHA1

    a72d932ed0adbebf394f2f5b6159e496fd0dbfac

    SHA256

    8062548ec2648fcb5b55b0b3a70a1da8e7ef821b93668cd5ff9b270d7513f788

    SHA512

    ef2fa8bb33619f719982643ba40365a1bb2d085c189ba3d58537a0a5aa73d2710b1de58ebb065c660a06a680bcfdea880e9602104e87af0b9035ea0a085ec95d

  • memory/1212-17-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1212-79-0x0000000004010000-0x00000000042F1000-memory.dmp

    Filesize

    2.9MB

  • memory/1212-66-0x0000000004010000-0x00000000042F1000-memory.dmp

    Filesize

    2.9MB

  • memory/1212-77-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2184-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2184-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2184-76-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2560-68-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/2560-69-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/2560-72-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-85-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-110-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-82-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-74-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-88-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-91-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-94-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-95-0x00000000025E0000-0x0000000002682000-memory.dmp

    Filesize

    648KB

  • memory/3012-101-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-104-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-107-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-78-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-113-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-116-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-119-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-122-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-125-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-129-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-132-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-135-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-138-0x0000000000400000-0x00000000006E1000-memory.dmp

    Filesize

    2.9MB