Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 11:01

General

  • Target

    3ec3e60970e2d0d38df3b5e571e8514d.exe

  • Size

    6.9MB

  • MD5

    3ec3e60970e2d0d38df3b5e571e8514d

  • SHA1

    e2c9975f6fda0cbbfaa434e25b6645450cb926ea

  • SHA256

    113106967e66077d88c8cf6dae8170d74479b3c4f7a2fc284719eb39cef28ce8

  • SHA512

    55df7ef052fc553de96dc5b83cc3d36388ef653dad3471ed007febd851b692c4528a3fd3c4da0dbdd483fa1d292b80deb867f1e6e2ce21878bd1701d845847a3

  • SSDEEP

    196608:FxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:7NztzQlcDPXus98d9Jzj

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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.

  • Drops file in Program Files directory 63 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ec3e60970e2d0d38df3b5e571e8514d.exe
    "C:\Users\Admin\AppData\Local\Temp\3ec3e60970e2d0d38df3b5e571e8514d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4876
    • C:\Users\Admin\AppData\Local\Temp\is-3P5K9.tmp\3ec3e60970e2d0d38df3b5e571e8514d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3P5K9.tmp\3ec3e60970e2d0d38df3b5e571e8514d.tmp" /SL5="$602B6,7025884,54272,C:\Users\Admin\AppData\Local\Temp\3ec3e60970e2d0d38df3b5e571e8514d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3820
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1716
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3520
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 10
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 10
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2172
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\CRTGame\crtgame.exe

    Filesize

    2.1MB

    MD5

    3362bac458070e33d0cabcda1e4b735c

    SHA1

    76ac1f5b96667d9621eedd92ab0704b9c7a129b0

    SHA256

    4dbfd9df16a57d8ff7a00a378fe737efc179f53f2ce975daeaedbaa6ab8bcecd

    SHA512

    59ed8a9d16e100ad91d98ad3a08eabe148234633e59bfb4bef1b63e5a54c3e63193f088ad1538c4898a7a6ac5ead65a2e244ae64bc5325bbf87e763474c5a5ce

  • C:\Users\Admin\AppData\Local\Temp\is-3P5K9.tmp\3ec3e60970e2d0d38df3b5e571e8514d.tmp

    Filesize

    687KB

    MD5

    f448d7f4b76e5c9c3a4eaff16a8b9b73

    SHA1

    31808f1ffa84c954376975b7cdb0007e6b762488

    SHA256

    7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

    SHA512

    f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

  • C:\Users\Admin\AppData\Local\Temp\is-U2QAT.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-U2QAT.tmp\_isetup\_isdecmp.dll

    Filesize

    19KB

    MD5

    3adaa386b671c2df3bae5b39dc093008

    SHA1

    067cf95fbdb922d81db58432c46930f86d23dded

    SHA256

    71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

    SHA512

    bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

  • memory/3520-151-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/3520-152-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/3520-156-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/3520-155-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/3820-22-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3820-160-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/4876-161-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4876-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4876-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/5092-163-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-185-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-164-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-167-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-170-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-173-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-176-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-179-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-180-0x0000000000950000-0x00000000009F2000-memory.dmp

    Filesize

    648KB

  • memory/5092-159-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-188-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-191-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-194-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-197-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-200-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-203-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/5092-206-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB