Analysis

  • max time kernel
    292s
  • max time network
    297s
  • 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 22:39

General

  • Target

    2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe

  • Size

    5.7MB

  • MD5

    8e236feab23049c31f09c0128c80a9ec

  • SHA1

    14c74d77a91d9419858759b0d32d78496e4de551

  • SHA256

    2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0

  • SHA512

    de49861ed32228be1c306b3883f6311ca8681161698ccc52cd108a90543b51282da9a607b95467d73bb32061e6daa7124088c33453d63e0087d19fcefd5c6086

  • SSDEEP

    98304:my7wm5UFkIPJYZVJ6EidbfY2FVscmBgpHg6Fm9PtPUdJ58z27AF4Svs3VbuYq:jWzaEEiVfa7BgpHgCMFsdJ58z27FQ

Malware Config

Extracted

Family

socks5systemz

C2

bncxpbz.com

http://bncxpbz.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec979838

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\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe
    "C:\Users\Admin\AppData\Local\Temp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:420
    • C:\Users\Admin\AppData\Local\Temp\is-0A328.tmp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0A328.tmp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp" /SL5="$A01D4,5724483,54272,C:\Users\Admin\AppData\Local\Temp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1128
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:68

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

    Filesize

    3.6MB

    MD5

    89e35769a52a2492772f147ca04d78bf

    SHA1

    274f942a683e8bf0389789b7678e605bcf276509

    SHA256

    a749aa897fa337820ce07a74e66bda51772042e5cb4f47ad5a62ed8d56fc1cdb

    SHA512

    8a4e5a280c4eec7e62405695b5072106555041acec2c4f626625c014807083cb947286b57d297fc3bd484efb9b2741fa933ff1649bab7d3122eb7e0763971fb6

  • C:\Users\Admin\AppData\Local\Temp\is-0A328.tmp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp

    Filesize

    680KB

    MD5

    7a27a6b2c6d4e3cf7f7046032f6ca620

    SHA1

    4b9e5af4bbea5d1d5760c5ceb3ef4f71bdb9fb19

    SHA256

    d44cb08a6d7e9c723d71932028ea8d43bccbecf37ec01654b76c4299bdeef35a

    SHA512

    b2b700d952f8dca39bc7d2831363d96090f42aab30b627b7b0709a730ef19e9314bac963e3d7257680a925c4e7f0e355d030eb39e58f489e9c79f61079fa5279

  • \Users\Admin\AppData\Local\Temp\is-CSN5E.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-CSN5E.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/68-109-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-116-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-136-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-131-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-128-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-125-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-72-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-122-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-119-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-75-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-78-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-81-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-84-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-87-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-88-0x00000000009A0000-0x0000000000A42000-memory.dmp

    Filesize

    648KB

  • memory/68-92-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-97-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-100-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-103-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-106-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/68-112-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/420-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/420-73-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/420-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/1128-69-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/1128-66-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/1128-65-0x0000000000400000-0x0000000000796000-memory.dmp

    Filesize

    3.6MB

  • memory/3636-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3636-74-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB