Analysis

  • max time kernel
    292s
  • max time network
    280s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 22:53

General

  • Target

    4914e621acfc7667849598dd0e8acf35c356ac734bb50d621bb7c378502375fc.exe

  • Size

    4.8MB

  • MD5

    891b730626b28b9e4e50e8f997afac34

  • SHA1

    23962b4bee1742dd3fd448c5de7613bc15687261

  • SHA256

    4914e621acfc7667849598dd0e8acf35c356ac734bb50d621bb7c378502375fc

  • SHA512

    fe2df050e4b6e6135c0c88dbff7dd4ce999ce954ae7560247b81cf5e471c7bbc575e251a4b662572f0d2bd566d2a892e07197b70d0dfc4aca4f31eb2bd1405e2

  • SSDEEP

    98304:mN3Kb+NHR4ydR4PXKT10hTXlGvZS9FRDS7vGQ87jcvXx385EMuZC:3qWydPuRov0X0vGQphTC

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\4914e621acfc7667849598dd0e8acf35c356ac734bb50d621bb7c378502375fc.exe
    "C:\Users\Admin\AppData\Local\Temp\4914e621acfc7667849598dd0e8acf35c356ac734bb50d621bb7c378502375fc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\is-8G133.tmp\4914e621acfc7667849598dd0e8acf35c356ac734bb50d621bb7c378502375fc.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8G133.tmp\4914e621acfc7667849598dd0e8acf35c356ac734bb50d621bb7c378502375fc.tmp" /SL5="$30136,4814299,54272,C:\Users\Admin\AppData\Local\Temp\4914e621acfc7667849598dd0e8acf35c356ac734bb50d621bb7c378502375fc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1228
      • 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:2948
      • 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:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe

    Filesize

    3.2MB

    MD5

    d54756955c9cf7310d70aae28cf5445f

    SHA1

    703c34d6ef88b5ab063631c6acca9ba3d6d01e96

    SHA256

    05f2285e9a6bf2c2830d213aa7b859de56a5cd609991d249fdf74cdb8a488e30

    SHA512

    67542aacaac63318bcc6c35768324577342e8b46ec1acadd838660a9d122a1be6b1aba6ac783d9341c8dabc07a7c1d157f671a074562a624a9bd9f4e4bc58c64

  • \Users\Admin\AppData\Local\Temp\is-8G133.tmp\4914e621acfc7667849598dd0e8acf35c356ac734bb50d621bb7c378502375fc.tmp

    Filesize

    680KB

    MD5

    fc38d5561cb12e0d573c043f2a02587c

    SHA1

    85881a5502366649652ef68aa644af8eb81baf1b

    SHA256

    1affeed602ac019e9274932be152257f6b4dde1fee65c4d4f9b5f64bf1d758b9

    SHA512

    de6dc4bca4c3a6d1d178e62349d00b74cb02ab308fca25b772a1a47c669657fa5b70fe6adb971a5221da853a009822b70f0dfc64527abe3b4a13acb1f652cf31

  • \Users\Admin\AppData\Local\Temp\is-JU8LV.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-JU8LV.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/1228-79-0x0000000004240000-0x000000000456D000-memory.dmp

    Filesize

    3.2MB

  • memory/1228-16-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1228-64-0x0000000004240000-0x000000000456D000-memory.dmp

    Filesize

    3.2MB

  • memory/1228-74-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2292-73-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2292-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2292-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2456-88-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-98-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-135-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-75-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-78-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-132-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-82-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-85-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-129-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-91-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-92-0x00000000025E0000-0x0000000002682000-memory.dmp

    Filesize

    648KB

  • memory/2456-71-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-101-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-104-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-107-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-110-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-113-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-116-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-119-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-122-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2456-126-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2948-65-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2948-66-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB

  • memory/2948-69-0x0000000000400000-0x000000000072D000-memory.dmp

    Filesize

    3.2MB