Analysis

  • max time kernel
    144s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23/03/2024, 12:31

General

  • Target

    ded765bc5ba4afdd70cdca87b06e031f.exe

  • Size

    2.0MB

  • MD5

    ded765bc5ba4afdd70cdca87b06e031f

  • SHA1

    e422aec0d328480a4de087d57eb4c4ff5d4aba5e

  • SHA256

    5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2

  • SHA512

    3abeab5b8268a885ed4b86a5dd7dbc83cfa4d4e53473c55fb92f7347e9732f108fdfcec3b8f1d3a1153c96dd44cd25224df343ded65ba54da603bdd5093bbfb8

  • SSDEEP

    49152:32qrMGcmhsZWMZA9wvRXHURUwDbNVrhs2zFb+Z90se7D:m6V0WMZXXiFbjrhs21w9bc

Malware Config

Extracted

Family

socks5systemz

C2

http://bexjfoq.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668ff616c1ec95

http://bexjfoq.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12eab517aa5c96bd86ee9d8145815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ee9c9d3ace6f

Signatures

  • Detect Socks5Systemz Payload 4 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • 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\ded765bc5ba4afdd70cdca87b06e031f.exe
    "C:\Users\Admin\AppData\Local\Temp\ded765bc5ba4afdd70cdca87b06e031f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\is-CNKGN.tmp\ded765bc5ba4afdd70cdca87b06e031f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-CNKGN.tmp\ded765bc5ba4afdd70cdca87b06e031f.tmp" /SL5="$4001C,1769802,54272,C:\Users\Admin\AppData\Local\Temp\ded765bc5ba4afdd70cdca87b06e031f.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2560
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2652

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

          Filesize

          1.9MB

          MD5

          78aa3b8ca0223ba7f88e808cb33bd5d2

          SHA1

          24ee4a975209379dc224dc33d18639462018d4bd

          SHA256

          288b33af04aeb87ce176c1f8965e94a507865265b92c5891f075d550efbc522b

          SHA512

          6b2a0294c7616e23c87c27142f2731b588dc6d292a85dc025e02d79c44d4b09fb582156668c20c1e65bf8fe99f7d946f1144e3284a9a1f488342e665b133e9d9

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

          Filesize

          2.1MB

          MD5

          a689446e3c009a816949c13a4369ef96

          SHA1

          9da43499c84cb0e5fb3fdc2d9c5862dbc7c30071

          SHA256

          8c605cb6c45bc30ca483ad375e31dafe212c9543a8f3ce27e4c93d0961758345

          SHA512

          d4fce27bdcf05afec2e572639e87b86226e457f4aebe11886ae44df111087a75eae5a986aca964bef2070c2b4eda146ab1f8b7ad3c0883b54fe226f4dfc9935c

        • \Users\Admin\AppData\Local\Temp\is-1BALT.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-1BALT.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • \Users\Admin\AppData\Local\Temp\is-CNKGN.tmp\ded765bc5ba4afdd70cdca87b06e031f.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • memory/1096-53-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1096-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1096-3-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1728-12-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/1728-42-0x0000000003C30000-0x0000000003E41000-memory.dmp

          Filesize

          2.1MB

        • memory/1728-57-0x0000000003C30000-0x0000000003E41000-memory.dmp

          Filesize

          2.1MB

        • memory/1728-56-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/1728-54-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2560-45-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2560-48-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2560-44-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-73-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-83-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-50-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-60-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-61-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-64-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-67-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-70-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-52-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-74-0x0000000002290000-0x0000000002332000-memory.dmp

          Filesize

          648KB

        • memory/2652-80-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-55-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-84-0x0000000002290000-0x0000000002332000-memory.dmp

          Filesize

          648KB

        • memory/2652-87-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-90-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-93-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-96-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-97-0x0000000002290000-0x0000000002332000-memory.dmp

          Filesize

          648KB

        • memory/2652-98-0x0000000002290000-0x0000000002332000-memory.dmp

          Filesize

          648KB

        • memory/2652-102-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2652-105-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB