Analysis

  • max time kernel
    146s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 02:11

General

  • Target

    5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe

  • Size

    2.0MB

  • MD5

    336e9bf05f1fe2d98473bbb424363322

  • SHA1

    7f1cbeb05e4860646c2600813bda69b468dc73ae

  • SHA256

    5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb

  • SHA512

    02bd5d0a54d5bea0f2c7d05b4fa68741bf098ad52485378232b49301f01f0da838bccbb152e4d61b79966041c6ae1880e364cda13d2592d1153476d41ec8e9b5

  • SSDEEP

    49152:32115Bqx2wgevTb1FR0FdsEoZlDgrZcwiIx3WYdfSRM:m11qxPRwGl0rZc4SRM

Malware Config

Extracted

Family

socks5systemz

C2

http://bhurbed.com/search/?q=67e28dd8680cf4794658a44a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978f571ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc13c7e993

Signatures

  • Detect Socks5Systemz Payload 2 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 20 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe
    "C:\Users\Admin\AppData\Local\Temp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\is-5HS8L.tmp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-5HS8L.tmp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp" /SL5="$4014E,1745403,54272,C:\Users\Admin\AppData\Local\Temp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2484
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2252
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2684

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Color Picker\colorpicker32.exe

          Filesize

          2.1MB

          MD5

          c6ddf75954ee1290e3ee16bbd5637809

          SHA1

          7148081c9479d6b6733499820128f3da3fd3f307

          SHA256

          9e69f3a6e9941dcaae7672f3b9c2acfead8daff782d325e3a01bb897bcc763ca

          SHA512

          f797e650490bfb666d40e197a55aedc9ab442d1576f8fbd19af0a3fa0ba67fb31c3c4185671aa4d30df944a8d1619a5c3e6de46a0a5d14e9d37569c206ca5149

        • \Users\Admin\AppData\Local\Temp\is-5HS8L.tmp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp

          Filesize

          677KB

          MD5

          bb16a1aed23a42be299fa83942dc45cc

          SHA1

          eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba

          SHA256

          2fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df

          SHA512

          bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4

        • \Users\Admin\AppData\Local\Temp\is-TN06O.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-TN06O.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/2208-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2208-53-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2252-46-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2252-44-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2252-45-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2252-49-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2484-56-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2484-40-0x0000000003500000-0x0000000003711000-memory.dmp

          Filesize

          2.1MB

        • memory/2484-8-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2484-54-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2684-59-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-74-0x00000000025B0000-0x0000000002652000-memory.dmp

          Filesize

          648KB

        • memory/2684-52-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-60-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-63-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-64-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-67-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-70-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-73-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-55-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-80-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-83-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-86-0x00000000025B0000-0x0000000002652000-memory.dmp

          Filesize

          648KB

        • memory/2684-87-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-90-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-93-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-96-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-100-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2684-103-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB