Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-06-2024 01:32

General

  • Target

    7f2e61445c1de7e7f873e136d65e79c54aef5c91fc9239286d198162779312d0.exe

  • Size

    5.0MB

  • MD5

    4fa524896f7acb979cb8900b03479272

  • SHA1

    d051e47915937d64fb6fcd4a3640c345ad892a18

  • SHA256

    7f2e61445c1de7e7f873e136d65e79c54aef5c91fc9239286d198162779312d0

  • SHA512

    8ff818f1a2a3f149bc93d1ba6998a32e3985f1c0bc5ef9f60b2b19ee346982c85ec895db0e9195dd00635d5ce61d9de33e6b896d4ca7e0eab02be6e23b39743d

  • SSDEEP

    98304:m+29v/40m11zG86IPCx1aB1XGLIxbPvEeQ2bwRwgJbwqaHoyMf3j3RDRe:bSv/4l1pz6laBYIJnPsag+qaHoFRD0

Malware Config

Extracted

Family

socks5systemz

C2

bdpzozo.com

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 3 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\7f2e61445c1de7e7f873e136d65e79c54aef5c91fc9239286d198162779312d0.exe
    "C:\Users\Admin\AppData\Local\Temp\7f2e61445c1de7e7f873e136d65e79c54aef5c91fc9239286d198162779312d0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Users\Admin\AppData\Local\Temp\is-FCIKQ.tmp\7f2e61445c1de7e7f873e136d65e79c54aef5c91fc9239286d198162779312d0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FCIKQ.tmp\7f2e61445c1de7e7f873e136d65e79c54aef5c91fc9239286d198162779312d0.tmp" /SL5="$601DA,4971959,54272,C:\Users\Admin\AppData\Local\Temp\7f2e61445c1de7e7f873e136d65e79c54aef5c91fc9239286d198162779312d0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
        "C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4244
      • C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
        "C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.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\Moon Voice Assist\moonvoiceassist32_64.exe
    Filesize

    3.1MB

    MD5

    162b05f5a6cb1ba1635307f8025f89d1

    SHA1

    7c6c563214236b3deb4d91727fad77d78dfd4a31

    SHA256

    500214d4ab1b337d579fe97da371ca3857684f096655db6b9409c4be8d3e61c6

    SHA512

    6ab7a6733dc341efc29afd2b300b60973747a2c98be324edeaa3a62bc6a9a68f8525fd58e99e0c6bec410ee57ac4384283a7ce108a2dd147b8f3db764b2a0529

  • C:\Users\Admin\AppData\Local\Temp\is-A9IRI.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-FCIKQ.tmp\7f2e61445c1de7e7f873e136d65e79c54aef5c91fc9239286d198162779312d0.tmp
    Filesize

    680KB

    MD5

    895d982b558dbe81e0d8d31e818f766e

    SHA1

    27d9e61b8edaf48db4c519be05f0f4ea33900a7a

    SHA256

    3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

    SHA512

    4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

  • memory/556-69-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/556-2-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/556-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2316-10-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/2316-70-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/2792-96-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-83-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-68-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-114-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-111-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-71-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-74-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-77-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-80-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-108-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-85-0x0000000002590000-0x0000000002632000-memory.dmp
    Filesize

    648KB

  • memory/2792-88-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-93-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-105-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-99-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/2792-102-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/4244-59-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/4244-65-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/4244-60-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB

  • memory/4244-64-0x0000000000400000-0x0000000000721000-memory.dmp
    Filesize

    3.1MB