Analysis

  • max time kernel
    143s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2024 06:30

General

  • Target

    530139afd5a1ff04dd836fd96991f3cee901328cdb101c58afa877bcbeca746dN.exe

  • Size

    4.1MB

  • MD5

    49b41322a9004a9d62187251ff5654d0

  • SHA1

    5f73f7ed0f63ad46a8d9482adbcf6663857aa1ac

  • SHA256

    530139afd5a1ff04dd836fd96991f3cee901328cdb101c58afa877bcbeca746d

  • SHA512

    5f02bc3c11b86343c1bf57fc09ce669a4f66b5eb5c0e1a5dbb304f8b06986c0bfe5e9d81087c58fab074ec8f1a0d38c0a2d4c574c5cf148bf1d5a8706dcca56b

  • SSDEEP

    98304:I+1egWNBi1GiYxMaDNMxS/ny3G1A1xSCFjmcNp:0qY5M8y3GcBtmcNp

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • Executes dropped EXE 2 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.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\530139afd5a1ff04dd836fd96991f3cee901328cdb101c58afa877bcbeca746dN.exe
    "C:\Users\Admin\AppData\Local\Temp\530139afd5a1ff04dd836fd96991f3cee901328cdb101c58afa877bcbeca746dN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\is-E9E21.tmp\530139afd5a1ff04dd836fd96991f3cee901328cdb101c58afa877bcbeca746dN.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-E9E21.tmp\530139afd5a1ff04dd836fd96991f3cee901328cdb101c58afa877bcbeca746dN.tmp" /SL5="$70030,4052791,54272,C:\Users\Admin\AppData\Local\Temp\530139afd5a1ff04dd836fd96991f3cee901328cdb101c58afa877bcbeca746dN.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3576
      • C:\Users\Admin\AppData\Local\Dan Codecs Portable\dancodecsportable.exe
        "C:\Users\Admin\AppData\Local\Dan Codecs Portable\dancodecsportable.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Dan Codecs Portable\dancodecsportable.exe

    Filesize

    3.1MB

    MD5

    458e52194fce2f10b543a9e2bb5131fd

    SHA1

    141742fa4b769232dfbe718ad9fd87d410494b87

    SHA256

    5a9803961be30c0a751dab01fe080371e9d2d4d0ad6a23b60b455c72b52cdcf0

    SHA512

    f22281abf92f4e46c62f398b948bfc54eec624be0e6072405610b8ebd36633d2202bccde666536f473b39f976d3100ab9bc5d55ee898703c63eebfd7d1dc81d2

  • C:\Users\Admin\AppData\Local\Temp\is-5R6G0.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-E9E21.tmp\530139afd5a1ff04dd836fd96991f3cee901328cdb101c58afa877bcbeca746dN.tmp

    Filesize

    689KB

    MD5

    53d2b7460e392ca1a72a2879c9d72aac

    SHA1

    abd470089a3f58f5ec4884aa32a038f616e040b1

    SHA256

    2d96a48a093dc0f1f5ce6b7f74ed5d0c3d80190dbf3b214826ce17a1e0ad6708

    SHA512

    acbf0d936da9a71ad76f9cfeff637694fd0b1d7d0bd85714bb4feb19cfb5181133ecd327ae5fe32548d9ddeeb2dd4bf4d53aa81109a19e6b8d8b88219cd2259c

  • memory/3068-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3068-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/3068-82-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3576-81-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3576-7-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/4376-91-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-100-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-77-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-84-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-85-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-88-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-76-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-94-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-97-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-80-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-101-0x0000000000B30000-0x0000000000BD2000-memory.dmp

    Filesize

    648KB

  • memory/4376-107-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-110-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-111-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-114-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-117-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-120-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-123-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-127-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB

  • memory/4376-130-0x0000000000400000-0x0000000000720000-memory.dmp

    Filesize

    3.1MB