Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 07:27

General

  • Target

    e8e5f280e3a652c9d0486d0f3bf4d9d4e5110a75c8049e75f27ac973383ac072.exe

  • Size

    5.8MB

  • MD5

    57a731d6d5e7e185af6ea5bbb7f99b63

  • SHA1

    5ab9843432c296a72b9a5e4b550c4ee27fc89b9d

  • SHA256

    e8e5f280e3a652c9d0486d0f3bf4d9d4e5110a75c8049e75f27ac973383ac072

  • SHA512

    eef9d741f99a3daf772fe9d4424f9cfd58bb51f2d4f3e362bdb7a209602db6ea0df0c3eb21fbb9547828f89aab9c3edff1af13ba4b498f712350852093ff19e5

  • SSDEEP

    98304:mvD5zxMucVz0tqBeMt3Crp5/bFCvPwk9uLgBG+3qBy2kISAtQ2P7mSoHTfKK:CFquwmmkt5/boohgLa0XuXd7K

Malware Config

Extracted

Family

socks5systemz

C2

bhfddge.com

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8e5f280e3a652c9d0486d0f3bf4d9d4e5110a75c8049e75f27ac973383ac072.exe
    "C:\Users\Admin\AppData\Local\Temp\e8e5f280e3a652c9d0486d0f3bf4d9d4e5110a75c8049e75f27ac973383ac072.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Users\Admin\AppData\Local\Temp\is-T9H2M.tmp\e8e5f280e3a652c9d0486d0f3bf4d9d4e5110a75c8049e75f27ac973383ac072.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T9H2M.tmp\e8e5f280e3a652c9d0486d0f3bf4d9d4e5110a75c8049e75f27ac973383ac072.tmp" /SL5="$900EC,5853311,54272,C:\Users\Admin\AppData\Local\Temp\e8e5f280e3a652c9d0486d0f3bf4d9d4e5110a75c8049e75f27ac973383ac072.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3720
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4348
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4356,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4428 /prefetch:8
    1⤵
      PID:3128

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
      Filesize

      3.2MB

      MD5

      ab35e58887b588f666c2cfbc958323cb

      SHA1

      83c0d77d50866157790fcca0f1f40ac85a549024

      SHA256

      8a347f96b5e3e4c24fd5f02779fc5e9ddb12560f1c9ed302ac97b5072d7286a3

      SHA512

      bbe0acce9130f012884c1898cc23f906d4773e5ea4b7beb5d17c8eec9e94a7234f6779d494427c49241ac751fe22858299d65b746139f5005f8e9d6de6c4d272

    • C:\Users\Admin\AppData\Local\Temp\is-P6LHM.tmp\_isetup\_iscrypt.dll
      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-P6LHM.tmp\_isetup\_isdecmp.dll
      Filesize

      13KB

      MD5

      a813d18268affd4763dde940246dc7e5

      SHA1

      c7366e1fd925c17cc6068001bd38eaef5b42852f

      SHA256

      e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

      SHA512

      b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

    • C:\Users\Admin\AppData\Local\Temp\is-T9H2M.tmp\e8e5f280e3a652c9d0486d0f3bf4d9d4e5110a75c8049e75f27ac973383ac072.tmp
      Filesize

      680KB

      MD5

      e6d2fc7b9b3ceccedcf57875330a8ff1

      SHA1

      7bc2a4e40e24b2c0d130883b7255a97cdd4e1e6f

      SHA256

      001f671b1a90209f7133c55c809be8fe96797c89bebcce04aab5e846d9c91cc3

      SHA512

      0d5809e67459ce5eae974f11428fe5fc124f52d7532528d5952dca17b29d6941a7b1f31e04fbcdc62e86f6186586efb559cfeaca054a7d05c77461d31455ac7f

    • memory/3024-76-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/3024-16-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/3720-65-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/3720-66-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/3720-67-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/3720-71-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4344-3-0x0000000000401000-0x000000000040B000-memory.dmp
      Filesize

      40KB

    • memory/4344-0-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/4344-75-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/4348-77-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-96-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-80-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-83-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-86-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-89-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-92-0x00000000008C0000-0x0000000000962000-memory.dmp
      Filesize

      648KB

    • memory/4348-73-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-99-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-102-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-105-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-108-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-111-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-114-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-117-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB

    • memory/4348-120-0x0000000000400000-0x0000000000737000-memory.dmp
      Filesize

      3.2MB