Analysis

  • max time kernel
    294s
  • max time network
    301s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30-05-2024 22:33

General

  • Target

    0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe

  • Size

    4.9MB

  • MD5

    b85f055ad96d7bbe8aa09fd7ec41d040

  • SHA1

    05c62693bc71041fea6ee4404e6d5968c98cff3f

  • SHA256

    0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a

  • SHA512

    d070675fbf09f0e5c387f7b632c85ca4617ca99336e1a12db7442436ff03fa25f00da9acd2f4bb31c823e3959f2394c34e93ce20fa188cb3f96c9a969e001809

  • SSDEEP

    98304:mJyVUe+HiqazWPzT97VGWEiHvgAO2d+xJDu9U4N6Kz8mpigk6dIYLhLI:QyVerPdVyAO2MLEUU8mpigk6djNLI

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe
    "C:\Users\Admin\AppData\Local\Temp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\is-9APPF.tmp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9APPF.tmp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp" /SL5="$50210,4885427,54272,C:\Users\Admin\AppData\Local\Temp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2356
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3636
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe

    Filesize

    3.2MB

    MD5

    4ce76465cb04cd5b404185a973f330f5

    SHA1

    ae03025a421f7cd4db70d305c5fe4ba501925540

    SHA256

    34ae2eb450c43e2a64191f6976408dccd21efd90aac803ac7b4efef8b4ff312e

    SHA512

    113fc4f0ab9567f97e02dbaf3a5a49509da4869f89a4a262817a9c6be77cb74e497dee229706dcd8524619582bfef66942a5f0ac63884898165403058ccb75bb

  • C:\Users\Admin\AppData\Local\Temp\is-9APPF.tmp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp

    Filesize

    680KB

    MD5

    4dc224bb697f1ac21a2615f277db675c

    SHA1

    62308fb4f79b9ccd60a1a4d13c0506fbb7795688

    SHA256

    c318aaf77ffb1475e65d9670d31972602e97727906315bbb012893a40252b6b6

    SHA512

    82373f8d81729e8fa24a881f4af93c892a371f4de6ac506e61c534dd6b8b796d9ab46d9ab81e3e81a9997c7d27d8b409d4a377ed8b0606f7d9192a4e372b3b8e

  • \Users\Admin\AppData\Local\Temp\is-G2QB7.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/1840-100-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-103-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-128-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-125-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-122-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-118-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-115-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-112-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-69-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-72-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-75-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-78-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-81-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-84-0x00000000009A0000-0x0000000000A42000-memory.dmp

    Filesize

    648KB

  • memory/1840-88-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-91-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-94-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-97-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-109-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/1840-106-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/2356-14-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2356-68-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2776-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2776-67-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2776-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/3636-64-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/3636-60-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB

  • memory/3636-59-0x0000000000400000-0x000000000072E000-memory.dmp

    Filesize

    3.2MB