Analysis

  • max time kernel
    141s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 09:50

General

  • Target

    36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe

  • Size

    5.4MB

  • MD5

    38656579af20ac7c8f1353cca3e79fff

  • SHA1

    37446c312da9a12cc91a858c2abd8a97b4cb65d7

  • SHA256

    36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421

  • SHA512

    91fb563bd566add63a223decbe26657d557c39688f0d4804bc0bfd41088ad7e8395808a222de7a095d450be1e0a3c288b68b9a2b2d8f17f4172379598a109091

  • SSDEEP

    98304:QyhS3xxuvWIiuXc9HMDXyDo5My6mrmLlPG5dp0EkfYF0WM/ATH07oxvOXND:XhExwWIicc8yD87rmLlPGjWEkfYFmArC

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 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.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe
    "C:\Users\Admin\AppData\Local\Temp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Users\Admin\AppData\Local\Temp\is-R3JS6.tmp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-R3JS6.tmp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp" /SL5="$30150,5449439,54272,C:\Users\Admin\AppData\Local\Temp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe
        "C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe

    Filesize

    2.9MB

    MD5

    e1d54fec982f78da5d6e3a74de4ca823

    SHA1

    a32cc677108167310ac21379d5740749d3bfd2d7

    SHA256

    22ad6a3848a6c7c47669f385799efa5614c4021a97cdfe31de3b6634ddc49941

    SHA512

    17cb9b6de0910b5a2623fcd5ccfdb6fd460cf8105435a293fe5c4cc08a2eec1e5cf969430d77ad54a51b0709bb19fe423f6d4aa9426205bc24daa868a491a376

  • \Users\Admin\AppData\Local\Temp\is-5HN6Q.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-5HN6Q.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-R3JS6.tmp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp

    Filesize

    688KB

    MD5

    f2557e43ca34eb20158cafef0f32097f

    SHA1

    8b8b839d89b7e5794eb8893c4ee3e6911c1d37e2

    SHA256

    b9a0c83b11fbded229efdced8fdf289384e1cef293740e6689d2aa4e9a2ae9f6

    SHA512

    9509c376afa57ea9a76e227d1e8eb908d367dfb48372b67747bcca77a75a99f79c8b59d26b793896d57e1d19ea9b4203ca580edba323c7fe4500b2f523875c62

  • memory/2244-175-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2244-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2244-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2716-203-0x0000000003960000-0x0000000003C4E000-memory.dmp

    Filesize

    2.9MB

  • memory/2716-168-0x0000000003960000-0x0000000003C4E000-memory.dmp

    Filesize

    2.9MB

  • memory/2716-8-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2716-174-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2864-193-0x0000000002950000-0x00000000029F2000-memory.dmp

    Filesize

    648KB

  • memory/2864-202-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-180-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-183-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-186-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-189-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-192-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-170-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-199-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-177-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-171-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-206-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-209-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-212-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-215-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-217-0x0000000002950000-0x00000000029F2000-memory.dmp

    Filesize

    648KB

  • memory/2864-216-0x0000000002950000-0x00000000029F2000-memory.dmp

    Filesize

    648KB

  • memory/2864-221-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2864-224-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB