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
    160s
  • max time network
    165s
  • 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, 17:36

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 55 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:4208
    • C:\Users\Admin\AppData\Local\Temp\is-4ABG9.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4ABG9.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp" /SL5="$80090,1887224,54272,C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3768
      • 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:4452
      • 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:3040

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\resource-b.dat

          Filesize

          128B

          MD5

          0d6174e4525cfded5dd1c9440b9dc1e7

          SHA1

          173ef30a035ce666278904625eadcfae09233a47

          SHA256

          458677cdf0e1a4e87d32ab67d6a5eea9e67cb3545d79a21a0624e6bb5e1087e7

          SHA512

          86da96385985a1ba3d67a8676a041ca563838f474df33d82b6ecd90c101703b30747121a6b7281e025a3c11ce28accedfc94db4e8d38e391199458056c2cd27a

        • 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\Site Free Edition\sitefreeedition.exe

          Filesize

          1.9MB

          MD5

          719b19efb6f13b1ce95d8adfb5087b5c

          SHA1

          92b74268a1fa1776be6941d6301bf764a3492641

          SHA256

          717d0797a624ac261c1a97a84e229d9e315b78ff1e5cc533c42fe801cea5d11a

          SHA512

          817521568e84a1269d4b9ec053f6f24badf8ebe2322d5addc4c6695db9fb870591660894cef514cb33e0c34ff2cc5ce0e5b985678c483011a6b6c8b4c07dd6c4

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

          Filesize

          448KB

          MD5

          1d617e74c442dc4b2b53ac6b86f1c474

          SHA1

          4dffcd1279678a3c72884c91701ef6d48d121875

          SHA256

          68f4f8e1f6fc099ee05eac4466edf2e62dae0c52cc7c4fb19c67b6fad66e9370

          SHA512

          06dfeb378319759e45073a2860fb36ac583185bec7268db2034948560f4755640f63e97f12d6377eca589de79c4b58589c245601586bb59bc7ca61d1d53931f0

        • C:\Users\Admin\AppData\Local\Temp\is-4ABG9.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp

          Filesize

          677KB

          MD5

          5a1e3d46cb5a24f8e50b2a59d2ba1cf3

          SHA1

          fe86894c4757c144449bc744649b7fb9e03346f1

          SHA256

          d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d

          SHA512

          a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

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

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • memory/3040-46-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-49-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-87-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-95-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-44-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-100-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-77-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-84-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-81-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-91-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-78-0x0000000000900000-0x00000000009A2000-memory.dmp

          Filesize

          648KB

        • memory/3040-53-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-54-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-57-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-60-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-63-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-66-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3040-67-0x0000000000900000-0x00000000009A2000-memory.dmp

          Filesize

          648KB

        • memory/3040-68-0x0000000000900000-0x00000000009A2000-memory.dmp

          Filesize

          648KB

        • memory/3040-74-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/3768-50-0x0000000000650000-0x0000000000651000-memory.dmp

          Filesize

          4KB

        • memory/3768-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/3768-6-0x0000000000650000-0x0000000000651000-memory.dmp

          Filesize

          4KB

        • memory/4208-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4208-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4452-42-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/4452-41-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/4452-38-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB

        • memory/4452-37-0x0000000000400000-0x000000000062F000-memory.dmp

          Filesize

          2.2MB