Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 23:16

General

  • Target

    7e34c86e83d26ef30329a5a5ddcf33cb0a2b21dd70486fef9cabda3460f68fbb.exe

  • Size

    4.3MB

  • MD5

    479e9b6a0793e1e994e50636f2c971ab

  • SHA1

    8808cfe7b1904dae574a7d0bb8c7b88bd69e3cb6

  • SHA256

    7e34c86e83d26ef30329a5a5ddcf33cb0a2b21dd70486fef9cabda3460f68fbb

  • SHA512

    e5b3e0c0dd497a6c40a0fc07cf98f5a63b26b15ec129b57a939585a0ff8408b309f95cb279d42b7c7ced5fa07b4aa1b4d623aa0a79b64220f58e51d34eb8dc3f

  • SSDEEP

    98304:NdOdxOnqFswBkRtPLLo60S7TodhEB/1uI66uJ87nvFhVuhjF:zY0j8EPnYPEqX6Pn7oz

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 7 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 5 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e34c86e83d26ef30329a5a5ddcf33cb0a2b21dd70486fef9cabda3460f68fbb.exe
    "C:\Users\Admin\AppData\Local\Temp\7e34c86e83d26ef30329a5a5ddcf33cb0a2b21dd70486fef9cabda3460f68fbb.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\is-NH1GM.tmp\7e34c86e83d26ef30329a5a5ddcf33cb0a2b21dd70486fef9cabda3460f68fbb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NH1GM.tmp\7e34c86e83d26ef30329a5a5ddcf33cb0a2b21dd70486fef9cabda3460f68fbb.tmp" /SL5="$500F4,4230363,54272,C:\Users\Admin\AppData\Local\Temp\7e34c86e83d26ef30329a5a5ddcf33cb0a2b21dd70486fef9cabda3460f68fbb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" pause 2_you_player_11253
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3020
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 pause 2_you_player_11253
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2728
      • C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.3\2youplayer32.exe
        "C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.3\2youplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.3\sqlite3.dll

    Filesize

    630KB

    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • \Users\Admin\AppData\Local\2YouPlayer 3.3.0.3\2youplayer32.exe

    Filesize

    3.6MB

    MD5

    a39bfd779f12b26bee92d8c791de4bce

    SHA1

    4e956a427eb95fd4d585df5c80cd49686e8250f9

    SHA256

    919d4f0e38738f70d63d40e2d7a1d9506eb07e90777fffda8b38fb5b21ab369f

    SHA512

    72f70b187b07f18873aaec4291ee0087b0484fcd6bc63570d4555343efe42090bbe222bd2f88ed23ee4e058101a898ee4cddf44e46a4e8b411a056b674533e58

  • \Users\Admin\AppData\Local\Temp\is-B0B5J.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-B0B5J.tmp\_isetup\_isdecmp.dll

    Filesize

    19KB

    MD5

    3adaa386b671c2df3bae5b39dc093008

    SHA1

    067cf95fbdb922d81db58432c46930f86d23dded

    SHA256

    71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

    SHA512

    bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

  • \Users\Admin\AppData\Local\Temp\is-B0B5J.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-NH1GM.tmp\7e34c86e83d26ef30329a5a5ddcf33cb0a2b21dd70486fef9cabda3460f68fbb.tmp

    Filesize

    687KB

    MD5

    7bf33526f0188aa3d3696e0007d36236

    SHA1

    1334fad5e924d0373b7d4177825fd2b88750976b

    SHA256

    4135bc9a6d711694844b87c3c28ad2c89732e9e75e099e15284414421441dc44

    SHA512

    a77dc2ffeb1cbf062be3ff6e03becc807d88bda0d9581aeb1ebb33886fb55929668c62b8207f9f23e234952040a1b4864828a7f66c62a488ce4cf5bd221f1360

  • memory/1300-20-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1300-57-0x0000000003FC0000-0x000000000435D000-memory.dmp

    Filesize

    3.6MB

  • memory/1300-48-0x0000000003FC0000-0x000000000435D000-memory.dmp

    Filesize

    3.6MB

  • memory/1300-56-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1464-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1464-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/1464-58-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2896-61-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/2896-89-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-60-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-50-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-62-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-65-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-69-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-73-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-77-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-81-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-83-0x0000000002B80000-0x0000000002C22000-memory.dmp

    Filesize

    648KB

  • memory/2896-52-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-93-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-97-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-101-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-105-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-109-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-111-0x0000000002B80000-0x0000000002C22000-memory.dmp

    Filesize

    648KB

  • memory/2896-112-0x0000000002B80000-0x0000000002C22000-memory.dmp

    Filesize

    648KB

  • memory/2896-116-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB

  • memory/2896-120-0x0000000000400000-0x000000000079D000-memory.dmp

    Filesize

    3.6MB