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
    25-06-2024 06:59

General

  • Target

    3cea7da72fc536fdc8bebfade126b7947e534d40eea44ffb9bf8c84d694d40c9.exe

  • Size

    4.9MB

  • MD5

    b06df97399f066ddf927195b778b91d8

  • SHA1

    5bc3b9b83770a4fbf83b373a875220d16e46ce64

  • SHA256

    3cea7da72fc536fdc8bebfade126b7947e534d40eea44ffb9bf8c84d694d40c9

  • SHA512

    e68a7bb4b93515caa4495f3fe43c75ee296e211b0cdce4abe802b7cdaa68b1728983ce7b07dcc6a3cb0496721a4b3ca9b08601445e8d2ce9ce2f712d622a3212

  • SSDEEP

    98304:mXMUuRtVEC/seuIOe/T5fTYDyCs8s6W/PHCRUdUWIhCX:Uw8CLuIOuBTYWCszxq21CCX

Malware Config

Extracted

Family

socks5systemz

C2

ccqpren.net

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • 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\3cea7da72fc536fdc8bebfade126b7947e534d40eea44ffb9bf8c84d694d40c9.exe
    "C:\Users\Admin\AppData\Local\Temp\3cea7da72fc536fdc8bebfade126b7947e534d40eea44ffb9bf8c84d694d40c9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Users\Admin\AppData\Local\Temp\is-G104V.tmp\3cea7da72fc536fdc8bebfade126b7947e534d40eea44ffb9bf8c84d694d40c9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-G104V.tmp\3cea7da72fc536fdc8bebfade126b7947e534d40eea44ffb9bf8c84d694d40c9.tmp" /SL5="$600E0,4920023,54272,C:\Users\Admin\AppData\Local\Temp\3cea7da72fc536fdc8bebfade126b7947e534d40eea44ffb9bf8c84d694d40c9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1420
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s
        3⤵
        • Executes dropped EXE
        PID:412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

    Filesize

    3.0MB

    MD5

    526c5eb554e65276e139d835b9a4a7f9

    SHA1

    102d786903ed6f59fa70f90dffb28561c25fa837

    SHA256

    aec64f5c5b2995600baeccf7131e88fcdf477532dca924536ac94781b0ab74cc

    SHA512

    8c0564edc63ba1cb6c9e6b6f47c99c205e45d9e2b19fa600533a10406a9c44b63699c91ea7a10bd7f0853da35dd469849a3f8d23e14622766da240c559fcba7a

  • C:\Users\Admin\AppData\Local\Temp\is-G104V.tmp\3cea7da72fc536fdc8bebfade126b7947e534d40eea44ffb9bf8c84d694d40c9.tmp

    Filesize

    680KB

    MD5

    b2e254f9e7eef5ea02b1e5080f5c01a8

    SHA1

    3e29982e9c88f21f04b8aba8583f21ad4e4dbc03

    SHA256

    d514259701a3343eddb73192fae85769f9b38d7929feb5caa93ec751a9b990bc

    SHA512

    e0b95b27b11a6a20abc36dfcd315756e1a639d783653080f2fb0c78f7af24cae5f7df259a903b11926669861fa2c598beefa69142690a29efa17f99a8e8a945e

  • C:\Users\Admin\AppData\Local\Temp\is-RS0FV.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/412-95-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-79-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-113-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-110-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-107-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-104-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-101-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-67-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-98-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-92-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-70-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-73-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-76-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-87-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-82-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/412-85-0x0000000000830000-0x00000000008D2000-memory.dmp

    Filesize

    648KB

  • memory/1092-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1092-69-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1420-64-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/1420-63-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/1420-60-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/1420-59-0x0000000000400000-0x00000000006F9000-memory.dmp

    Filesize

    3.0MB

  • memory/3464-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3464-68-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3464-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB