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Analysis

  • max time kernel
    141s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 20:35

General

  • Target

    629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe

  • Size

    5.9MB

  • MD5

    4f45f92ed891851f055e0a5f969ad036

  • SHA1

    b80ace1a39697628a16605a8cd0629c0c546bb52

  • SHA256

    629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a

  • SHA512

    2730f73e000c3011bae7c368c4bdec33b80377cf1a4e8e45672d25ba92b0599110d517b6a6995f76177951496f39368ef642329f39c1e55c4dcc08f06d188fd5

  • SSDEEP

    98304:4+f3nZbQV0HosXz9veDpvNfA+b6fJLLBsNCQoSVDXXAu5lfLj97hwcx6hPQp39Sv:n3nuV0IsXz9QpvNfAG6f5KCLS1XAUlfs

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 1 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\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe
    "C:\Users\Admin\AppData\Local\Temp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Users\Admin\AppData\Local\Temp\is-LBBTB.tmp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LBBTB.tmp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp" /SL5="$7006E,5969031,56832,C:\Users\Admin\AppData\Local\Temp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.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:2292
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" pause hd_video_converter_fox_124
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1012
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 pause hd_video_converter_fox_124
          4⤵
          • System Location Discovery: System Language Discovery
          PID:32
      • C:\Users\Admin\AppData\Local\HD Video Converter Fox 1.2.4\hdvideoconverterfox32.exe
        "C:\Users\Admin\AppData\Local\HD Video Converter Fox 1.2.4\hdvideoconverterfox32.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\HD Video Converter Fox 1.2.4\hdvideoconverterfox32.exe

    Filesize

    4.2MB

    MD5

    55ecf14e13251d6d258be815201b76f8

    SHA1

    64af96ff70ca9e59c38826966570831024dbacaa

    SHA256

    d1e0121def317df55f64fb1133e7487ad006a04aa2217efdb67f6bec78177202

    SHA512

    06b20801526c72145fd845677e8448be8d1de955be365b8cda73a70c4704efe7a33aec12681652ca5c657f5fe671fc085003ca391a052ffae360ef6dbe9ee97d

  • C:\Users\Admin\AppData\Local\Temp\is-0AG84.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-LBBTB.tmp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp

    Filesize

    692KB

    MD5

    59dd0a2d9278686128e9f7e5f5cb5c3b

    SHA1

    5ac59a1246aefc5fe972d8643810d8d3d32e3d7c

    SHA256

    2cc2cc41298dae8a903b8b3245be74ec56683b0ea1c3aa38f695995754b5daf5

    SHA512

    d9963307790420f61d6f9622faafbdd0f7e11a683ed7b942f98157f8d633881310cfa5b9b7ca1b00075fb8d575942b46a3f8e119b6d3978624ba085dee544d9b

  • memory/2292-88-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2292-6-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/4368-100-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-107-0x0000000000A00000-0x0000000000AA2000-memory.dmp

    Filesize

    648KB

  • memory/4368-85-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-87-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-139-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-136-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-91-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-94-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-97-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-132-0x0000000000A00000-0x0000000000AA2000-memory.dmp

    Filesize

    648KB

  • memory/4368-103-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-84-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-108-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-114-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-117-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-118-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-121-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-124-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-127-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-130-0x0000000000400000-0x0000000000830000-memory.dmp

    Filesize

    4.2MB

  • memory/4368-131-0x0000000000A00000-0x0000000000AA2000-memory.dmp

    Filesize

    648KB

  • memory/4508-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4508-89-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4508-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB