Analysis

  • max time kernel
    292s
  • max time network
    257s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-06-2024 22:42

General

  • Target

    3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe

  • Size

    5.6MB

  • MD5

    442dfb5102fba38abbd5baea24ad9a54

  • SHA1

    395aaaf0bc4ae855d31ebc2a64def63f30c17f68

  • SHA256

    3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d

  • SHA512

    f8dddfdafe2de8edb3017f89b6039b7c50655603c0b88b70911d3273f55fb03794b35a7364a72c91ecad8455e42c7c314f9bc1cb20651fd43a451a17c2c06fc4

  • SSDEEP

    98304:mWwDqvV4FOvSxqRXFqLbEDhXdCvWCLVGhLysL2phmPzBsRv//1w2x77Y8lg3:xaUXF8oCOWsWhFRvO2xPS

Malware Config

Extracted

Family

socks5systemz

C2

diltidd.info

http://diltidd.info/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec91983d

Signatures

  • Detect Socks5Systemz Payload 1 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\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe
    "C:\Users\Admin\AppData\Local\Temp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\is-6HBGJ.tmp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-6HBGJ.tmp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp" /SL5="$70204,5646587,54272,C:\Users\Admin\AppData\Local\Temp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4620
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2656
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

    Filesize

    3.0MB

    MD5

    b2c7c435ee7a1a68794e0b7653a249ee

    SHA1

    6c0504155bc15345e48417b4d47cf010f94368d8

    SHA256

    6af493a89d2d4388e85bc6f10b4fedffc676602ad6a74d7c9e5818330c307511

    SHA512

    187f14ba199013a75598044f5aa21304d99c3691af3d47b1cf8f379920e75943cdf5e101fc25ff359577f958fb5bd508535fe23436ce56ba8cc3b21835fe3017

  • C:\Users\Admin\AppData\Local\Temp\is-6HBGJ.tmp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp

    Filesize

    680KB

    MD5

    e6d2fc7b9b3ceccedcf57875330a8ff1

    SHA1

    7bc2a4e40e24b2c0d130883b7255a97cdd4e1e6f

    SHA256

    001f671b1a90209f7133c55c809be8fe96797c89bebcce04aab5e846d9c91cc3

    SHA512

    0d5809e67459ce5eae974f11428fe5fc124f52d7532528d5952dca17b29d6941a7b1f31e04fbcdc62e86f6186586efb559cfeaca054a7d05c77461d31455ac7f

  • \Users\Admin\AppData\Local\Temp\is-J3VJP.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-J3VJP.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/1680-73-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1680-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/1680-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2656-65-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2656-66-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2656-69-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-84-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-116-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-136-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-75-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-78-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-81-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-131-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-87-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-88-0x0000000000A70000-0x0000000000B12000-memory.dmp

    Filesize

    648KB

  • memory/2792-92-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-97-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-100-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-103-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-106-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-109-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-112-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-72-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-119-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-122-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-125-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2792-128-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/4620-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4620-74-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB