Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 05:23

General

  • Target

    8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe

  • Size

    3.9MB

  • MD5

    982b28b7a4ddf710c387bc1de86012fa

  • SHA1

    cd16c3b0023aba3b81f76e62f3538a626b853e3f

  • SHA256

    8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae

  • SHA512

    f6ef7da09d2ea6c70a1be8bdcec4e18b7d87b9e0b4ec7f4c84aa26a3afdc140600c86a700b5a2ecedd7bfe1cd446222cbbbf2840e6737012d1d0f09be45f4f49

  • SSDEEP

    98304:Nze4FaRxLWxw6lYS0KS+g2QNDUoTPzfKmVnW1CDQ1:5eTRwxw6lqKvzQNhz9VnvDU

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 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\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe
    "C:\Users\Admin\AppData\Local\Temp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Users\Admin\AppData\Local\Temp\is-5EQ53.tmp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-5EQ53.tmp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp" /SL5="$50222,3881966,54272,C:\Users\Admin\AppData\Local\Temp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.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:2544
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" pause lerry_video_11261
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4596
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 pause lerry_video_11261
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1440
      • C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\lerryvideo.exe
        "C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\lerryvideo.exe" -i
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\lerryvideo.exe

    Filesize

    3.2MB

    MD5

    fc0a1f30fc6bc8011259afa093c49202

    SHA1

    12ca0576b8517831a48931d3762843b0e3a8579c

    SHA256

    1ba130ef829fafe246fac7ffb3a02143149c074db5247b193a63b215be0b99eb

    SHA512

    c71cd259f2926bcd689da8308d217bf6ca4338553f14ae53af6954c6d56f233b13b7e8d3fa9d0da86b320a4b17a6154dded554d241e9a1e9a52a387353500d8f

  • C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\sqlite3.dll

    Filesize

    630KB

    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • C:\Users\Admin\AppData\Local\Temp\is-5EQ53.tmp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp

    Filesize

    687KB

    MD5

    0105db577ef93eb65dd36401043955dd

    SHA1

    c63a4ad0596d4a5b137381349bea62ed8e1903f2

    SHA256

    1413f6894ac7c897cd766605eaee45f0f7ea19c67baaabba5dff56c05f575f6f

    SHA512

    e7166d033a1e664465b8c149e09356bd1ce93d68996e42afad2340effacaa6b0d1fd2cb81002c4ab809078b95ad19dfeedc899b29bd9167d9856055bf9d60a74

  • C:\Users\Admin\AppData\Local\Temp\is-TSEJ9.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/2492-53-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/2492-89-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-112-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-43-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-46-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-42-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-108-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-104-0x0000000000A60000-0x0000000000B02000-memory.dmp

    Filesize

    648KB

  • memory/2492-51-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-52-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-103-0x0000000000A60000-0x0000000000B02000-memory.dmp

    Filesize

    648KB

  • memory/2492-56-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-60-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-64-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-68-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-73-0x0000000000A60000-0x0000000000B02000-memory.dmp

    Filesize

    648KB

  • memory/2492-75-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-81-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-85-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-101-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-93-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2492-97-0x0000000000400000-0x0000000000735000-memory.dmp

    Filesize

    3.2MB

  • memory/2544-7-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2544-48-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3552-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/3552-49-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3552-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB