Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 21:50

General

  • Target

    8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe

  • Size

    5.6MB

  • MD5

    0763b1eb3ba4779fbfe974fc4c9ab3ef

  • SHA1

    af3c7aa9eeb22ebf950cfefec14779f2034f894e

  • SHA256

    8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e

  • SHA512

    ba62cd88323f82aa23e2b22205d6d58cf5914f722fbc14524237e7bb573d8a1dd3ec0229efd54cccd906afd47fc64d331f26236ab72d600aa046ca7ed88f52f2

  • SSDEEP

    98304:m2HCVUkHS6pJTG5in1niT18rBuoI/argwMWg5kU770k+zPxUe3:nGHSQYGnRBuZGDMx7QPxUe3

Malware Config

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\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe
    "C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp" /SL5="$90170,5586021,54272,C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1020
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4492
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4104
  • 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 --field-trial-handle=4008,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8
    1⤵
      PID:2500

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

      Filesize

      3.3MB

      MD5

      97037ae6f19f69d8349f0c9e9791f267

      SHA1

      37c25c7324dc4fb5bdf97214807ebcf4886519ea

      SHA256

      b5c594c4ce4090f58193c5f8b869570f91d8761bd210af4908a1229d66838310

      SHA512

      7afc2eb82699eea1f38cfc62a2405e865147243db61ce11747123012016d1b144d68d8dd9857515a46dea950437c2f6c991397fb17fcdcbb217ca5a3cc66499f

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

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

      Filesize

      32KB

      MD5

      b6f11a0ab7715f570f45900a1fe84732

      SHA1

      77b1201e535445af5ea94c1b03c0a1c34d67a77b

      SHA256

      e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

      SHA512

      78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

    • C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp

      Filesize

      680KB

      MD5

      ef9105d68de970efad785e01b21e4e2b

      SHA1

      7fe8801a3e86814972da63a7a943bdc5e31d8888

      SHA256

      381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a

      SHA512

      e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c

    • memory/1020-13-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/1020-77-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/1848-76-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/1848-2-0x0000000000401000-0x000000000040B000-memory.dmp

      Filesize

      40KB

    • memory/1848-0-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/4104-94-0x00000000008F0000-0x0000000000992000-memory.dmp

      Filesize

      648KB

    • memory/4104-91-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-73-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-75-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-123-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-120-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-78-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-82-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-81-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-85-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-88-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-117-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-114-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-97-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-102-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-105-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-108-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-111-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4492-65-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4492-71-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4492-66-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB

    • memory/4492-70-0x0000000000400000-0x0000000000745000-memory.dmp

      Filesize

      3.3MB