Analysis

  • max time kernel
    147s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23/03/2024, 11:21

General

  • Target

    9357e67e1024655f3302a794adc9c8da.exe

  • Size

    2.2MB

  • MD5

    9357e67e1024655f3302a794adc9c8da

  • SHA1

    ed8eb9f4da01fd739d21e8684e95bd381e103402

  • SHA256

    ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4

  • SHA512

    c55f0e44cf043351a70dd7fa2338aefbb0f66cd243f0bd959cc38e076a7c0b6593b65fbdd89d0c17be0b84d5fc4fbe07fed90c9ce1bbcb19e2509551dbcd7b2e

  • SSDEEP

    49152:32Q41RVpy6V66wEMgH09q+rPkhP9UsqcbKXQoWWoE587rYrNr6e7D:mQK8V6jk3Pkd9zzWZ8nYrNuc

Malware Config

Extracted

Family

socks5systemz

C2

http://bpbgodv.com/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668ff613c9ec9c

Signatures

  • Detect Socks5Systemz Payload 3 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\9357e67e1024655f3302a794adc9c8da.exe
    "C:\Users\Admin\AppData\Local\Temp\9357e67e1024655f3302a794adc9c8da.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\is-3AGM2.tmp\9357e67e1024655f3302a794adc9c8da.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3AGM2.tmp\9357e67e1024655f3302a794adc9c8da.tmp" /SL5="$70124,1972866,54272,C:\Users\Admin\AppData\Local\Temp\9357e67e1024655f3302a794adc9c8da.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2588
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2384

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          1024KB

          MD5

          7aa80675f10086a5fdede041a40e3d0b

          SHA1

          f558e5da55181c093c9b668ca26a7a1e6b56a77c

          SHA256

          239762f512477540db1b1d0de8762d8f3b8225ad2e6e6472b1b1fc9c17e45f93

          SHA512

          c476682b4f39688b1521e75c1ef5ad4cbb551c04534cfa0caebbfe03f39dfb1bf42186db94377ac623d25ab60d12b225b23e6511baee41572a09aaadf1d414c4

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

          Filesize

          2.2MB

          MD5

          db2e42972e6f72f623ec6cadf8180747

          SHA1

          be60e50f957eb7d9c88f52e234671701fc8fc7a0

          SHA256

          d029b6e530502459f455078d89c15ec6183085550d839a1b7cb4fa274bded45d

          SHA512

          ce8f3bc9f10f588472c936d8163427bc123a15c49d95533b0707faa146cec89f5f525be8ad7cd3a6b8459c4db4561fd8273908884e1420e1ef4251eaa9ec1dd8

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

          Filesize

          1.1MB

          MD5

          2c12ac7419daeb90f667500ef5e8ac66

          SHA1

          e152968f83047b6d5c0427478d0544180de7e681

          SHA256

          7f48632d31e501120b5bf8633b99764c198db3e7bb991d0ec07366ba755bc2a5

          SHA512

          d8a6c10323c9dd0cdb04abc3c531a9815693f2b1dd67bd0b6f92632827e36c12e8ebe2cd7729d395835b643aad91c8b38ad022d8f95a9d434ffc4f178b3d3847

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

          Filesize

          1.2MB

          MD5

          e59631bc39a3d6f444dc1f4498d6ced2

          SHA1

          b2770b82e4050ac4f1136c3bd005e314f68a4613

          SHA256

          f92574c68433cf45c4eab0808fcfaaace46e2b5955befe93dabbe94873ca2af5

          SHA512

          dbb2eb0d50ffa14104b93c2384ddd1ee50062811e68e83f8d668a8bbd17c03d9662f8487cca5810c9092d080807409e95e5b669d46fd11b042c8574175e285bc

        • \Users\Admin\AppData\Local\Temp\is-3AGM2.tmp\9357e67e1024655f3302a794adc9c8da.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • \Users\Admin\AppData\Local\Temp\is-6H3ET.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-6H3ET.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/2076-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2076-53-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2144-42-0x0000000003310000-0x0000000003552000-memory.dmp

          Filesize

          2.3MB

        • memory/2144-56-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2144-57-0x0000000003310000-0x0000000003552000-memory.dmp

          Filesize

          2.3MB

        • memory/2144-54-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2144-7-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2384-74-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-89-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-50-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-105-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-55-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-102-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-98-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-60-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-61-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-64-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-65-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-68-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-71-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-95-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-75-0x0000000002330000-0x00000000023D2000-memory.dmp

          Filesize

          648KB

        • memory/2384-76-0x0000000002330000-0x00000000023D2000-memory.dmp

          Filesize

          648KB

        • memory/2384-82-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-85-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-88-0x0000000002330000-0x00000000023D2000-memory.dmp

          Filesize

          648KB

        • memory/2384-52-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2384-92-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2588-43-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2588-44-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2588-45-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/2588-48-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB