Analysis

  • max time kernel
    292s
  • max time network
    285s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30-05-2024 22:46

General

  • Target

    37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe

  • Size

    5.9MB

  • MD5

    3f21c87343ac2570c3e8039ad1bb2dea

  • SHA1

    47dfa60ab6e601a53195dd14c6b727148a0ef185

  • SHA256

    37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d

  • SHA512

    a72b56ce19912bee26e6c5a10a799e819850309d65735eab98075c0766161435a4da08c44ff969d7d11bcbfb3f4c094f6a880f72f8cab8fadf97ab4a673e3436

  • SSDEEP

    98304:mt834logbLItG0Vaz3ad96LPhhwWQ06NaEM4qpJ2N+YgTUjAN/ZIqckI0ihWGXiO:rsI4BqghwxaftaN+PTUMN/ZRI02U7cLJ

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 2 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\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe
    "C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Users\Admin\AppData\Local\Temp\is-LC5NP.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LC5NP.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp" /SL5="$70220,5977211,54272,C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe
        "C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4888
      • C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe
        "C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -s
        3⤵
        • Executes dropped EXE
        PID:32

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe

    Filesize

    3.4MB

    MD5

    eb200b018a96facd0570ab212ce06378

    SHA1

    398743cc717dd4de5da468f77fb42202dbb33bc7

    SHA256

    3349a0d56677d86ebc01adee03e306275216d8b9cdd50a9a373cd851342ad575

    SHA512

    e78b2220a527c2dc6a1866492f50d8be491ecbc6e088ebbe6db8406cb60ce9bbd6574c47306b8e40ebd44b45760a41431282091331ad534217a5649782a02105

  • C:\Users\Admin\AppData\Local\Temp\is-LC5NP.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp

    Filesize

    680KB

    MD5

    b7289eddee858433e99222c056f54576

    SHA1

    4d972cde373fcf8df259be1b5fcafe44357ea64b

    SHA256

    2bb15c78f05c5000fab1bded860ca7c0059345c5d29fd542210172cada980478

    SHA512

    38eb10b404204958e1dc593118ef186feb647309d84f6396d533818b725ab434173101bc29f11b076ef5c23e406209be8c2be968cc20d7922ae9588b2b9ce22a

  • \Users\Admin\AppData\Local\Temp\is-3MHRC.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-3MHRC.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/32-109-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-115-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-134-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-72-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-131-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-128-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-124-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-75-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-121-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-118-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-78-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-81-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-84-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-87-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-88-0x0000000002320000-0x00000000023C2000-memory.dmp

    Filesize

    648KB

  • memory/32-92-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-97-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-100-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-103-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-106-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/32-112-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/1180-74-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1180-8-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2796-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2796-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2796-73-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4888-65-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4888-66-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4888-69-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB