Analysis

  • max time kernel
    141s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 22:01

General

  • Target

    d30434d3e73da4afe3a7669177a9a46f4677bee13bca212c0b565141dc2982da.exe

  • Size

    3.3MB

  • MD5

    57191ed398509add48a7607db28c45bd

  • SHA1

    5e26b26c8bd65c06fd3d952e47e65c90ef0378b8

  • SHA256

    d30434d3e73da4afe3a7669177a9a46f4677bee13bca212c0b565141dc2982da

  • SHA512

    9267f26be8be84bbc303fa081bd601a45d868a3dc26fc617d15d6c11fcfa5bb2a7442de7807cd5a24f4d5a162619356662604e915ced9365c4466dae3aa77f5e

  • SSDEEP

    98304:Nj8JTqfGOMoues86oM+wEcciJHHjL5PvK9Yd:eJTqrrJK+wciJHDtK9Yd

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d30434d3e73da4afe3a7669177a9a46f4677bee13bca212c0b565141dc2982da.exe
    "C:\Users\Admin\AppData\Local\Temp\d30434d3e73da4afe3a7669177a9a46f4677bee13bca212c0b565141dc2982da.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3412
    • C:\Users\Admin\AppData\Local\Temp\is-TLI0S.tmp\d30434d3e73da4afe3a7669177a9a46f4677bee13bca212c0b565141dc2982da.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TLI0S.tmp\d30434d3e73da4afe3a7669177a9a46f4677bee13bca212c0b565141dc2982da.tmp" /SL5="$50114,3234218,54272,C:\Users\Admin\AppData\Local\Temp\d30434d3e73da4afe3a7669177a9a46f4677bee13bca212c0b565141dc2982da.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:1820
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" pause capturn_11243
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4220
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 pause capturn_11243
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4672
      • C:\Users\Admin\AppData\Local\Capturn 2.3.7\capturn32_64.exe
        "C:\Users\Admin\AppData\Local\Capturn 2.3.7\capturn32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Capturn 2.3.7\capturn32_64.exe

    Filesize

    2.9MB

    MD5

    12483685140f6464081c12c2f5913c5a

    SHA1

    c1cbae32dbb4a92912043823aa574b559bdab67d

    SHA256

    0b10141aec54d7af6c7113b393d7a7510cf9fcef8dd1c0868f3ba35a60a06ce1

    SHA512

    91696412a681f3a8b6a6014d68bb25167c353f9265864b23f3536fe0d44f78d964e65b94c865ce8b6bc1e2accea89cabf2122d908dacab15f3722202d521f7fd

  • C:\Users\Admin\AppData\Local\Capturn 2.3.7\sqlite3.dll

    Filesize

    630KB

    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • C:\Users\Admin\AppData\Local\Temp\is-8KMBL.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-TLI0S.tmp\d30434d3e73da4afe3a7669177a9a46f4677bee13bca212c0b565141dc2982da.tmp

    Filesize

    687KB

    MD5

    94c3ab417cbb03a6b5ee60ef4ae8ca91

    SHA1

    2fe04ca7233bab2ff47623f13c0e770862848e7c

    SHA256

    3b3a28ed62e0c38a8a6b7fd16ddb30f3cecef7f8aceaeb7cf8e8651ce18a5394

    SHA512

    4df4444cb027f644f08457a9ec2aa5690a4aa23d5f99402bcee31106dd7049339300c84a8a72ae5cf7f5af9ab347916fe1f35a85876d0f076abc60c37efc25b5

  • memory/788-52-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-89-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-110-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-42-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-43-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-47-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-106-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-101-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-51-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-53-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/788-97-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-56-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-60-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-64-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-68-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-75-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-72-0x00000000009C0000-0x0000000000A62000-memory.dmp

    Filesize

    648KB

  • memory/788-81-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-85-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/788-93-0x0000000000400000-0x00000000006F5000-memory.dmp

    Filesize

    3.0MB

  • memory/1820-15-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1820-48-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3412-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3412-49-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3412-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB