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Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25/05/2024, 06:41

General

  • Target

    3d3afe056c2b3c186fc772f07d189d7ac4a5f4fc3932de3e72828b106e243b8f.exe

  • Size

    5.5MB

  • MD5

    6bf46537d2ae41697abbb1c15e8999fd

  • SHA1

    395a4bad25653271319fd31df706dc43d5310e6d

  • SHA256

    3d3afe056c2b3c186fc772f07d189d7ac4a5f4fc3932de3e72828b106e243b8f

  • SHA512

    80f91cfdab0b6297cc7f9d60338d425cf41edb381ff9816769c11c04b16ee2718f4cd76e53b950482b89ed9eb217e52461e5fe8ddd281c3f1aa0ea3884e49026

  • SSDEEP

    98304:mY9IiV5930k/zsAvg4odLC7HhzvVCIg5uOE5xbatLpYcB9uPTiK:x9Ii10k/zsOMFC7BzxquOE5qLpYw9uPj

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d3afe056c2b3c186fc772f07d189d7ac4a5f4fc3932de3e72828b106e243b8f.exe
    "C:\Users\Admin\AppData\Local\Temp\3d3afe056c2b3c186fc772f07d189d7ac4a5f4fc3932de3e72828b106e243b8f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Users\Admin\AppData\Local\Temp\is-MKT93.tmp\3d3afe056c2b3c186fc772f07d189d7ac4a5f4fc3932de3e72828b106e243b8f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MKT93.tmp\3d3afe056c2b3c186fc772f07d189d7ac4a5f4fc3932de3e72828b106e243b8f.tmp" /SL5="$40236,5507993,54272,C:\Users\Admin\AppData\Local\Temp\3d3afe056c2b3c186fc772f07d189d7ac4a5f4fc3932de3e72828b106e243b8f.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3140
      • C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe
        "C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1752
      • C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe
        "C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-43DCF.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-43DCF.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • C:\Users\Admin\AppData\Local\Temp\is-MKT93.tmp\3d3afe056c2b3c186fc772f07d189d7ac4a5f4fc3932de3e72828b106e243b8f.tmp

    Filesize

    680KB

    MD5

    73919c5267ecff99768ae00dfa5d9c3f

    SHA1

    30bf5f65d85f0ad38b55f9703f421a75dfa1443a

    SHA256

    b1109164ea90502880ccf035dfe1241f76cabf340c74be5e1062d78e9c7736af

    SHA512

    5abd7cb8a1efb0afecd1c5ee0c9e34eccbe4a6ba434361f33ec1223299f6a48ae8f51ec952b7f9c2159eac69a9ffaf4ae453946f17a647d4cf70d06f114ec3b9

  • C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe

    Filesize

    2.6MB

    MD5

    dfd009b43007a94b4e772b45c6045712

    SHA1

    986a8bf1e3c6c4020afed3e93fafab169b309d4a

    SHA256

    eb8502c10adc98cde8ce8b01b8ad298dc236e4e2f96d0f024b62108bdf365dae

    SHA512

    b6aab478bd890ac98fad8b5b39a2051e1f5eeefec45588eafc6425b280fe7bb11afb011483508829a6230bf4cf1cb443561401240db7321b8883f47be5a959aa

  • memory/1752-65-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/1752-68-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/1752-69-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-81-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-91-0x0000000002480000-0x0000000002522000-memory.dmp

    Filesize

    648KB

  • memory/2440-125-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-72-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-74-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-122-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-118-0x0000000002480000-0x0000000002522000-memory.dmp

    Filesize

    648KB

  • memory/2440-77-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-80-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-117-0x0000000002480000-0x0000000002522000-memory.dmp

    Filesize

    648KB

  • memory/2440-84-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-87-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-90-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-116-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-96-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-101-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-104-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-107-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-110-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/2440-113-0x0000000000400000-0x000000000069C000-memory.dmp

    Filesize

    2.6MB

  • memory/3140-22-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3140-76-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3844-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3844-75-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3844-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB