Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-06-2024 05:57

General

  • Target

    f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.exe

  • Size

    4.4MB

  • MD5

    ca5effefd66efe32b020ad7e50a1362f

  • SHA1

    60a026e540a5f7d19e58d225dab1b319d07bc416

  • SHA256

    f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c

  • SHA512

    62c4cdfd581fb1e80f09684adeba061af269a3ee99fc8c4f99dae18938fe3e8c4299642f433c0169e6c9aa5118d31093469548f0e8e2bdfe709fc3b54addca66

  • SSDEEP

    98304:myZqlCXYBkI4yRt9DKtXrK8CD54O7V/WYYonMXpydY/L0jta10yyx:LuCXPNiD628bYTnMZy6/L0Qryx

Malware Config

Extracted

Family

socks5systemz

C2

bbaqdvg.com

http://bbaqdvg.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff718c4e6909b3d

http://bbaqdvg.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12eab517aa5c96bd86ef91804d825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d933fc46a9710

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 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.

  • 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\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.exe
    "C:\Users\Admin\AppData\Local\Temp\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Users\Admin\AppData\Local\Temp\is-68891.tmp\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-68891.tmp\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.tmp" /SL5="$F014E,4386810,54272,C:\Users\Admin\AppData\Local\Temp\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe
        "C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe" -i
        3⤵
        • Executes dropped EXE
        PID:808
      • C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe
        "C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2792
  • 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=3236,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:8
    1⤵
      PID:1136

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe

      Filesize

      2.4MB

      MD5

      a80e774365780209130e911af6bc705b

      SHA1

      fac12482a5b0975571e6e1920c43ea59399afaa5

      SHA256

      9a973260347c4a4bc924b0443d301de835a2a0160abc61696755c5b67907283d

      SHA512

      b9e6fd97bbf392df8070bdbb1518180844870ca8e7c1d408e357c5cd6f1e68bde595244de4e75a931a43152e073f7f49e68680f30c15470172b28b7ecb128912

    • C:\Users\Admin\AppData\Local\Temp\is-68891.tmp\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.tmp

      Filesize

      680KB

      MD5

      02d48b83f446b47d428dcc5fe1d420df

      SHA1

      f470a098baa70c0645e13b6d516835cac2590b6d

      SHA256

      cbce11bb575e3248263b9c599978a9a1f80c32db4aa36b0cdc1130f65441ed09

      SHA512

      5fe5243b301e07490044e4fcb1fe8ad5a98a3e4b938f5b449fe3f82c102c5fad5b9d0637e4a6bb7161d319992bc2ffa3be383afb2b434f7bd9bb5ac30e6a4481

    • C:\Users\Admin\AppData\Local\Temp\is-JR0KF.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/808-65-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/808-60-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/808-64-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/808-59-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-76-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-90-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-68-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-120-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-117-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-113-0x00000000023F0000-0x0000000002492000-memory.dmp

      Filesize

      648KB

    • memory/2792-112-0x00000000023F0000-0x0000000002492000-memory.dmp

      Filesize

      648KB

    • memory/2792-72-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-73-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-111-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-79-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-82-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-85-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-69-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-87-0x00000000023F0000-0x0000000002492000-memory.dmp

      Filesize

      648KB

    • memory/2792-96-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-99-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-102-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-105-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-108-0x0000000000400000-0x0000000000660000-memory.dmp

      Filesize

      2.4MB

    • memory/3144-71-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3144-13-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3504-2-0x0000000000401000-0x000000000040B000-memory.dmp

      Filesize

      40KB

    • memory/3504-70-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/3504-0-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB