Resubmissions

24/03/2024, 17:36

240324-v6mkpseb47 10

24/03/2024, 17:25

240324-vzb6dsea48 10

24/03/2024, 15:03

240324-sfgknagb51 10

24/03/2024, 14:25

240324-rrgjcsdb88 10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/03/2024, 17:25

General

  • Target

    e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe

  • Size

    2.1MB

  • MD5

    530e5b703869db00c3b0814025c199c0

  • SHA1

    bacd94bd03b21e5f5ecae37acf070340f7f33222

  • SHA256

    e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46

  • SHA512

    8d5711efea6b95cb74f2b298dd193241f29941311009240787a7930ecbc625686b8f56a9807b711b351fbc2e964c3c817c253ccc75f9db1a5bdff2b9e9e550b8

  • SSDEEP

    49152:32IonT/SO6ZebdP47Q2jsCKC3LAxIJ57SCD7T0S/48I:mIZDZkQ70b1xInxD/48I

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
    "C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Users\Admin\AppData\Local\Temp\is-IPVIJ.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IPVIJ.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp" /SL5="$70214,1887224,54272,C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
        "C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4132
      • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
        "C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4716
  • 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 --mojo-platform-channel-handle=4240 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5044

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

            Filesize

            1.6MB

            MD5

            fdf1de7ee4b2c555a5efafd43b4af522

            SHA1

            d7161f0b54b8fbdb2b3ae9621f13c17e88c2fcd8

            SHA256

            df1f3e480a17a72bf77caa0bd936ad762c98c2a60187732d2d038edfc56eba0e

            SHA512

            7223cc1c47e4d98fd2b6954500404c574fc41088e335c105fb34974559458f45254b52b270650ceda60fb92d3811557253584d88c32e090674dbac04831e934e

          • C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

            Filesize

            2.2MB

            MD5

            f5accb44aea64489ee12bd31c9c3dbb7

            SHA1

            34341d42e3664cc7a1682af3a0c98e566fb96d26

            SHA256

            c8055d97a9d2d52abfccbef80d16a3f38d7c2108c1524c1e5aee14002aab98fe

            SHA512

            1edbe7b50dd0bb1170dd0da0eeb53c33e52401453c0d6bf9b7bf1dd5dad670180d026091d92d022cb43f17cc0aef9b80414b1ee2baa8d1f518d53ca2b195ade4

          • C:\Users\Admin\AppData\Local\Temp\is-IPVIJ.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp

            Filesize

            677KB

            MD5

            5a1e3d46cb5a24f8e50b2a59d2ba1cf3

            SHA1

            fe86894c4757c144449bc744649b7fb9e03346f1

            SHA256

            d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d

            SHA512

            a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

          • C:\Users\Admin\AppData\Local\Temp\is-QS5SR.tmp\_isetup\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • memory/2592-47-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/2592-2-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/2592-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/4132-38-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4132-39-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4132-40-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4132-43-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-54-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-67-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-96-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-49-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-93-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-90-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-55-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-57-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-60-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-63-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-66-0x00000000007D0000-0x0000000000872000-memory.dmp

            Filesize

            648KB

          • memory/4716-46-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-69-0x00000000007D0000-0x0000000000872000-memory.dmp

            Filesize

            648KB

          • memory/4716-74-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-78-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-80-0x00000000007D0000-0x0000000000872000-memory.dmp

            Filesize

            648KB

          • memory/4716-81-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-84-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4716-87-0x0000000000400000-0x000000000062F000-memory.dmp

            Filesize

            2.2MB

          • memory/4796-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

            Filesize

            4KB

          • memory/4796-51-0x00000000007A0000-0x00000000007A1000-memory.dmp

            Filesize

            4KB

          • memory/4796-48-0x0000000000400000-0x00000000004B8000-memory.dmp

            Filesize

            736KB