Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 12:03

General

  • Target

    1d8dabbd22656b600f3985cd5fe226e4b2a0bc66bfec6e619ba05b5fdfbb1ade.exe

  • Size

    4.9MB

  • MD5

    1e8d727c353e624e85658efdcd9db756

  • SHA1

    3af81b44e0fa69c14de07a257be49f412ba314a9

  • SHA256

    1d8dabbd22656b600f3985cd5fe226e4b2a0bc66bfec6e619ba05b5fdfbb1ade

  • SHA512

    385400d638e4f93792ba2e4cacbec435f6ae03b31000a8eac89411a9bd7424eaa828bd6bb046f95126cc565e34d4d228f2f62cbb9f3101c5c638203c967141a1

  • SSDEEP

    98304:mNkXrhtHORG/EowLxAHzMF4vPV94F6+sbf480+DDs0m8qwfRpg:sG/HijhAAFLqQ80T0CGo

Malware Config

Extracted

Family

socks5systemz

C2

bdouxni.com

http://bdouxni.com/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff612c1e8959f3a

http://bdouxni.com/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12eab517aa5c96bd86eb968f4e96148ab2865b77f80ebad9c60f7cb63037ed2ab423a4374383ba915d911ec07bb606a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1e6969b3ccd6a97

Signatures

  • Detect Socks5Systemz Payload 3 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\1d8dabbd22656b600f3985cd5fe226e4b2a0bc66bfec6e619ba05b5fdfbb1ade.exe
    "C:\Users\Admin\AppData\Local\Temp\1d8dabbd22656b600f3985cd5fe226e4b2a0bc66bfec6e619ba05b5fdfbb1ade.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Users\Admin\AppData\Local\Temp\is-SF4CV.tmp\1d8dabbd22656b600f3985cd5fe226e4b2a0bc66bfec6e619ba05b5fdfbb1ade.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SF4CV.tmp\1d8dabbd22656b600f3985cd5fe226e4b2a0bc66bfec6e619ba05b5fdfbb1ade.tmp" /SL5="$901C0,4895268,54272,C:\Users\Admin\AppData\Local\Temp\1d8dabbd22656b600f3985cd5fe226e4b2a0bc66bfec6e619ba05b5fdfbb1ade.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3704
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2484
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:5108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

    Filesize

    3.0MB

    MD5

    03e7986bf5b3f020e6656e496e85b488

    SHA1

    ae507143cab30fc9c3e6113c8267eec55568c21f

    SHA256

    04e40a7730b9c3c8a8dbc2893dacf8994f09b67253946e9dc847097ae9f9a2e9

    SHA512

    28851856c0b26cedc3310e0ebff9aef9e6bacc07fd38bf57fa80ddf0de0b5eaae79b6631b98ca2ad4c270271edaf808fe617096a1f48ee5795c9b0f762b6cb70

  • C:\Users\Admin\AppData\Local\Temp\is-SF4CV.tmp\1d8dabbd22656b600f3985cd5fe226e4b2a0bc66bfec6e619ba05b5fdfbb1ade.tmp

    Filesize

    680KB

    MD5

    67129936ff8c44c003c09cc76bd8b2fa

    SHA1

    8d1af50cc822ddd227d442a1d369d2b7e8db23c9

    SHA256

    63e13e738ff34015ab80f361a9539d40908cb57829d67f0b6687af165b721c39

    SHA512

    b538ea11ccf7b8f877fa02360e31dd75576f7725a491e3957cc9b15d772af8f8fc6d8db56ea6f24e932b0c20a1ae4ee34145fcc5a15d828a02c3d22cb03ca3db

  • C:\Users\Admin\AppData\Local\Temp\is-V4M5M.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/2484-59-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/2484-60-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/2484-61-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/2484-65-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/3696-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/3696-1-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3696-69-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3704-70-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3704-13-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/5108-74-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-96-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-68-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-77-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-80-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-83-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-86-0x0000000000840000-0x00000000008E2000-memory.dmp

    Filesize

    648KB

  • memory/5108-90-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-93-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-71-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-99-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-102-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-105-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-108-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-109-0x0000000000840000-0x00000000008E2000-memory.dmp

    Filesize

    648KB

  • memory/5108-110-0x0000000000840000-0x00000000008E2000-memory.dmp

    Filesize

    648KB

  • memory/5108-114-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB

  • memory/5108-117-0x0000000000400000-0x0000000000706000-memory.dmp

    Filesize

    3.0MB