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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/07/2024, 21:17

General

  • Target

    3786fcb6140f9aa71c65abe4a53af23ab35f66ce734736ad2bf6fb1d6b01575b.exe

  • Size

    6.7MB

  • MD5

    45c5c737a738f01c4b08bbaa771fa02b

  • SHA1

    067a9e35cdd45ff31536203ac7e98ca682f97e1c

  • SHA256

    3786fcb6140f9aa71c65abe4a53af23ab35f66ce734736ad2bf6fb1d6b01575b

  • SHA512

    3459b1f371d9cb1970251270e3285cbb7591b5e54ef489334ca0a122f24024507da99334d474081421d9810ed2b1acbc4a9d4ec2a657d82c4b6e3696890f537c

  • SSDEEP

    98304:qiCQN7R5prsGljcxb+Fja/E05q/M/CUodfvI0CyLNjAY+iTWfkSZ9QwGvZ/u9dkD:/Ce75sGljcqjc5q/MxppZ6xvZ29di

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3786fcb6140f9aa71c65abe4a53af23ab35f66ce734736ad2bf6fb1d6b01575b.exe
    "C:\Users\Admin\AppData\Local\Temp\3786fcb6140f9aa71c65abe4a53af23ab35f66ce734736ad2bf6fb1d6b01575b.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Users\Admin\AppData\Local\Temp\is-BD2MT.tmp\is-7TNS7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BD2MT.tmp\is-7TNS7.tmp" /SL4 $60252 "C:\Users\Admin\AppData\Local\Temp\3786fcb6140f9aa71c65abe4a53af23ab35f66ce734736ad2bf6fb1d6b01575b.exe" 6735210 52224
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2336
      • C:\Users\Admin\AppData\Local\MP3 CD Ripper Beta\mp3cdripperbeta32_64.exe
        "C:\Users\Admin\AppData\Local\MP3 CD Ripper Beta\mp3cdripperbeta32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2732
      • C:\Users\Admin\AppData\Local\MP3 CD Ripper Beta\mp3cdripperbeta32_64.exe
        "C:\Users\Admin\AppData\Local\MP3 CD Ripper Beta\mp3cdripperbeta32_64.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\MP3 CD Ripper Beta\mp3cdripperbeta32_64.exe

    Filesize

    3.1MB

    MD5

    538be7e5b91d8e72f0b65d7f25340a18

    SHA1

    43b324d412c70dec1f4551552f66990c093351a6

    SHA256

    54e9c3657ec6435e94dfb9ffe9646c3f460254eee05cd9cd61cb15fdeb4b277c

    SHA512

    ef6b3c823994d3e1d063c4f8fa43fd395b84173f4e9e9f7b973b7af19cbba222798aaca330ca54941e80c655b36a341f12e44b620e6ba196f8f04e75d49fecbf

  • C:\Users\Admin\AppData\Local\Temp\is-BD2MT.tmp\is-7TNS7.tmp

    Filesize

    642KB

    MD5

    6580f6f26daf83c5e4d3e3b28e2f70f6

    SHA1

    5bc35126a341e038b96923db25c3f5424a631c5e

    SHA256

    e241bd09fc67344895f45de4fb9f147d618a8a5bcec360c83882675e75ebd672

    SHA512

    8f042bbbaec8f0a7cb31cfa44ed0e3d72100e3f3473f442e06ffc7f90322da4cb54979ba51365033cba927b801225d339e64b3b31c3b57483b76bd006908dd36

  • C:\Users\Admin\AppData\Local\Temp\is-N831T.tmp\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/644-98-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-92-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-116-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-113-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-108-0x0000000000900000-0x00000000009A2000-memory.dmp

    Filesize

    648KB

  • memory/644-109-0x0000000000900000-0x00000000009A2000-memory.dmp

    Filesize

    648KB

  • memory/644-107-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-63-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-65-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-104-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-101-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-68-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-71-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-72-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-95-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-81-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-75-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-84-0x0000000000900000-0x00000000009A2000-memory.dmp

    Filesize

    648KB

  • memory/644-87-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/644-78-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/2336-11-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2336-67-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2732-60-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/2732-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2732-59-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/2732-57-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/4112-0-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4112-66-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4112-2-0x0000000000401000-0x000000000040A000-memory.dmp

    Filesize

    36KB