Analysis

  • max time kernel
    152s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-06-2024 18:54

General

  • Target

    ba5e56c0a505db49af2e58e72bbaf41881e844d0d3eb8a4add7b0fccced712ee.exe

  • Size

    5.7MB

  • MD5

    55f82b31ac4ecca4cb83a4f15745ad29

  • SHA1

    9fe6ccd7e56468d62d4b9e5a7b6cd7924d077497

  • SHA256

    ba5e56c0a505db49af2e58e72bbaf41881e844d0d3eb8a4add7b0fccced712ee

  • SHA512

    0c066b75054656ba917f24d49d9e8a5a49b42436deb465f8cbe0f8c5882542aace522d363dbe319f85c63c78e5568eed1928d7d4af36f8abc2cc44d716c4d3ed

  • SSDEEP

    98304:mHD5d7LDGpXwH/kBEKY0bMyzNznjJn1GkskaGmCYpwV+2MTq69pP5C2CVaE:0CdwH/kmKPbMyNJkkTDYpwVtMh9JEd

Malware Config

Extracted

Family

socks5systemz

C2

cchaqip.net

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\ba5e56c0a505db49af2e58e72bbaf41881e844d0d3eb8a4add7b0fccced712ee.exe
    "C:\Users\Admin\AppData\Local\Temp\ba5e56c0a505db49af2e58e72bbaf41881e844d0d3eb8a4add7b0fccced712ee.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\is-J0H9T.tmp\ba5e56c0a505db49af2e58e72bbaf41881e844d0d3eb8a4add7b0fccced712ee.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-J0H9T.tmp\ba5e56c0a505db49af2e58e72bbaf41881e844d0d3eb8a4add7b0fccced712ee.tmp" /SL5="$100054,5728397,54272,C:\Users\Admin\AppData\Local\Temp\ba5e56c0a505db49af2e58e72bbaf41881e844d0d3eb8a4add7b0fccced712ee.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2572
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3184
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1344 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3328

    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\lampungsoundstage32.exe
      Filesize

      3.6MB

      MD5

      aaa76e009d53255e97b4f67f022de71b

      SHA1

      5d4d41e7f446ac6ddf7e28af8d81964058019c55

      SHA256

      8313dd02337588af891ae4ba9782316ceb1654560fecc99ef34ed1523942b5da

      SHA512

      8179134c0772fa5341e748f6f686f7e01dd566676b37706772929247d0b6b6fab3328fcb5c387eb58c6732bfa3ff200103c8e33521ec03ad96abe4addb658a66

    • C:\Users\Admin\AppData\Local\Temp\is-J0H9T.tmp\ba5e56c0a505db49af2e58e72bbaf41881e844d0d3eb8a4add7b0fccced712ee.tmp
      Filesize

      680KB

      MD5

      7a27a6b2c6d4e3cf7f7046032f6ca620

      SHA1

      4b9e5af4bbea5d1d5760c5ceb3ef4f71bdb9fb19

      SHA256

      d44cb08a6d7e9c723d71932028ea8d43bccbecf37ec01654b76c4299bdeef35a

      SHA512

      b2b700d952f8dca39bc7d2831363d96090f42aab30b627b7b0709a730ef19e9314bac963e3d7257680a925c4e7f0e355d030eb39e58f489e9c79f61079fa5279

    • C:\Users\Admin\AppData\Local\Temp\is-UJOL5.tmp\_isetup\_iscrypt.dll
      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-UJOL5.tmp\_isetup\_isdecmp.dll
      Filesize

      13KB

      MD5

      a813d18268affd4763dde940246dc7e5

      SHA1

      c7366e1fd925c17cc6068001bd38eaef5b42852f

      SHA256

      e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

      SHA512

      b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

    • memory/1600-2-0x0000000000401000-0x000000000040B000-memory.dmp
      Filesize

      40KB

    • memory/1600-1-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/1600-23-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/2572-71-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/2572-66-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/2572-67-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/2572-69-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-77-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-93-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-118-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-115-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-80-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-82-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-84-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-87-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-90-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-73-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-94-0x0000000000C20000-0x0000000000CC2000-memory.dmp
      Filesize

      648KB

    • memory/3184-100-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-103-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-106-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-109-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/3184-112-0x0000000000400000-0x0000000000793000-memory.dmp
      Filesize

      3.6MB

    • memory/4344-7-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/4344-75-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB