Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/07/2024, 16:26

General

  • Target

    d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe

  • Size

    4.9MB

  • MD5

    3826c8fb8a2b5c55df63303f0210fc52

  • SHA1

    fca401b5524c4b7ce101095ef400c17b3770a867

  • SHA256

    d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8

  • SHA512

    cc06112d56572c4b0385614fbd2ff9da7edc8e80687b0b243cef6371d40677ee722e80ad3ac6c74fbb7d4fb3bf2f6e88126b532537dcce396735bbe794c7eaf1

  • SSDEEP

    98304:CF82m6s6p6JrEebEW3YjUm7YnBjyZ8wljrx4uZvylIy1XgNOUXQx0:52mf6p6hw0COBjyZbjH6IyxIOIQW

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 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\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe
    "C:\Users\Admin\AppData\Local\Temp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\is-I1EMD.tmp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-I1EMD.tmp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp" /SL5="$70064,4845139,54272,C:\Users\Admin\AppData\Local\Temp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3408
      • C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe
        "C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2004
      • C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe
        "C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe

    Filesize

    3.5MB

    MD5

    879fd55c42ee8c606964409a8c1decdb

    SHA1

    cd40ed6b3fbc806b87f87d604a72b24c230a1f4e

    SHA256

    599dda7b0a5386953b076364f2cfa59f042a50faad96da3c3fccf29e05a86261

    SHA512

    e67f02d74fc985ac602e0b122dc6da487da6b38d5f95ce4d3aa462241cda35a4331b718f36f12e4e9ce0475ca9da02214460a7e1fc51ecf3d91328525733dc8b

  • C:\Users\Admin\AppData\Local\Temp\is-I1EMD.tmp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp

    Filesize

    680KB

    MD5

    44714eda71761bd1288110ca9c46b096

    SHA1

    655d1bbf10023fc7e733643c1fe56d1d737b5e74

    SHA256

    5022783c59d9e2a305ae3afcc87baa40d7647618d4f08178a2f14ffcc955a426

    SHA512

    7cab0490c08bec7938ce23d1bf486ec143614a6dd8a895de82432793a9d32771f40478c7ad6b2bc0975fbc2d8cedb49bc810204d87b8c99d8a0c7234aea33ba9

  • C:\Users\Admin\AppData\Local\Temp\is-O63O1.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/2004-60-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/2004-61-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/2004-62-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/2004-65-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/3408-70-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3408-7-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3996-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/3996-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3996-69-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4052-74-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-94-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-68-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-77-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-78-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-81-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-84-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-87-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-88-0x0000000000A70000-0x0000000000B12000-memory.dmp

    Filesize

    648KB

  • memory/4052-71-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-97-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-100-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-103-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-106-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-109-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-113-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/4052-116-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB