Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16-06-2024 05:07

General

  • Target

    dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe

  • Size

    5.6MB

  • MD5

    450bd2a19af0ddd008b1691b62067938

  • SHA1

    7bec9e214ee7c82a6c464690233abeb1d6bd859b

  • SHA256

    dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98

  • SHA512

    251abc87b8f7c3a4b2360f145213566b2fda19b14e1ded4ab7ee16be357563d692229dc9ded434ce0ebeab6315c2a2efe2d2486c5d138b9b5446241c82645291

  • SSDEEP

    98304:mgqfve2AJ3qG0q3WQWhFRhGRMcwK4vR6omvX/i3mBXEPfeKSiQ1hq3FpetVb5VWd:yvvAVZmzRkecbYcomvjSZQ1hwFKVb529

Malware Config

Extracted

Family

socks5systemz

C2

ceqzohl.net

http://ceqzohl.net/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff714c1eb909a33

http://ceqzohl.net/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12eab517aa5c96bd86ee93824e835a8bbc896c58e713bc90c91936b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9f3ac96a961e

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe
    "C:\Users\Admin\AppData\Local\Temp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3776
    • C:\Users\Admin\AppData\Local\Temp\is-N04S7.tmp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N04S7.tmp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp" /SL5="$90084,5654933,54272,C:\Users\Admin\AppData\Local\Temp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3904
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4868
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4040

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
    Filesize

    3.2MB

    MD5

    7b72981a1e7381d726d50da78a296cc5

    SHA1

    aa4d87a34c0b105161be24fdd30b30bcdf04b71e

    SHA256

    e2c03a0522b8baa92a2ea43e229398a2333aa585d9353bd5d45072268357da39

    SHA512

    63316e8703b0305e8f606fadd58e8fc19f064b021b6ebd5b727126f06e42cedea460e1abead15fdb75ae2ec3dfc59e967714be2ead0c5ba03313cc8e2757acbe

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

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-GKGAL.tmp\_isetup\_isdecmp.dll
    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • C:\Users\Admin\AppData\Local\Temp\is-N04S7.tmp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
    Filesize

    680KB

    MD5

    a53cd7f9f154eefaf6ff191bb4d65be5

    SHA1

    f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff

    SHA256

    4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35

    SHA512

    327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

  • memory/3776-74-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/3776-2-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/3776-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/3904-10-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/3904-75-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/4040-102-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-99-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-123-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-120-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-76-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-79-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-82-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-85-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-88-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-90-0x0000000002600000-0x00000000026A2000-memory.dmp
    Filesize

    648KB

  • memory/4040-94-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-73-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-115-0x0000000002600000-0x00000000026A2000-memory.dmp
    Filesize

    648KB

  • memory/4040-105-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-108-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-111-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-114-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4040-116-0x0000000002600000-0x00000000026A2000-memory.dmp
    Filesize

    648KB

  • memory/4868-65-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4868-69-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB

  • memory/4868-67-0x0000000000400000-0x0000000000740000-memory.dmp
    Filesize

    3.2MB